Onkyo TX-NR676 vs Pioneer VSX-831

      Onkyo TX-NR676

      Pioneer VSX-831
      86
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      77
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      Taiwan Europe Australia Asia
      North America
      Australia Asia
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      Highlights

      • 7.2 Channels
      • 7.1 Channel Processing
      • 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • Dolby Atmos, DTS:X
      • HDR10, Dolby Vision
      • 4K/60Hz Passthrough
      • Wi-Fi, Bluetooth, Ethernet
      • Phono Input

      Highlights

      • 5.2 Channels
      • 5.1 Channel Processing
      • 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • HDR10, Dolby Vision
      • 4K/60Hz Passthrough, 4K/30Hz Upscaling
      • Wi-Fi, Bluetooth, Ethernet
      • Phono Input

      Disclosure: We earn money from the affiliate links to products associated with content in this article.

      Table of Contents
      1. Overview
      2. Pros and Cons
      3. Advantage of Onkyo TX-NR676
      4. Advantage of Pioneer VSX-831
      5. Common Strengths and Weaknesses
      6. Amplifier
      7. Speaker Configurations
      8. Immersive Audio Formats
      9. HDMI
      10. Inputs and Outputs
      11. Evaluations
      12. Specifications

      1. Overview

      Here we are comparing Onkyo TX-NR676 to Pioneer VSX-831 to reveal their common strengths and weaknesses as well as the differences between them which will help you in making a correct decision before the purchase. The Onkyo TX-NR676 has 7 channel and the Pioneer VSX-831 has 5 channel amplifiers with Onkyo TX-NR676's being more powerful.


      Onkyo TX-NR676 Pioneer VSX-831

      Onkyo TX-NR676 was introduced in 2017. It is equipped with 7 channel amplifier with 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) power per channel and is capable of 7.1 maximum channel processing. It supports Dolby Atmos and DTS:X, passes 4K/60Hz video signal.

      Pioneer VSX-831 was introduced in 2017. It is equipped with 5 channel amplifier with 80 W (8 Ω, 20 Hz - 20 kHz and 2 channel driven) power per channel and is capable of 5.1 maximum channel processing. It , passes 4K/60Hz and upscales up to 4K video signal.

      We evaluated Onkyo TX-NR676 and Pioneer VSX-831 and gave them scores of 86 and 77 out of 100 recpectively. Our ranking system is based on the amplifier specifications, audio and video features, connectivity, multizone capabilities, radio and many other details.

      Onkyo TX-NR676

      Pioneer VSX-831

      Amplifier
      87
      Amplifier
      77
      Audio Features
      86
      Audio Features
      71
      Video Features
      90
      Video Features
      92
      Connectivity
      84
      Connectivity
      80
      Zones
      77
      Zones
      55
      Radio
      92
      Radio
      85
      OVERALL
      86
      OVERALL
      77

      For more details about the ranking please go to    Evaluations section.

      2. Pros and Cons

      In this section we present pros and cons of Onkyo TX-NR676 and Pioneer VSX-831.

      PROS

      Onkyo TX-NR676

      Pioneer VSX-831

      •   Dolby Atmos
      •   DTS:X
      •   DSD via HDMI
      •   Auto Speaker Calibration System with Mic.
      •   HDR10
      •   Dolby Vision
      •   New HDCP Version
      •   Analog To HDMI Upconversion
      •   Wi-Fi
      •   Bluetooth
      •   Chromecast Built-In
      •   7 HDMI Inputs
      •   USB Input
      •   Many RCA Line Inputs
      •   Phono Input
      •   Composite Video Inputs
      •   Component Video Inputs
      •   Ethernet
      •   Analog Tuner
      •   Pandora
      •   Spotify
      •   Tidal
      •   DSD via HDMI
      •   Auto Speaker Calibration System with Mic.
      •   HDR10
      •   Dolby Vision
      •   New HDCP Version
      •   Analog To HDMI Upconversion
      •   Wi-Fi
      •   Bluetooth
      •   Chromecast Built-In
      •   USB Input
      •   Phono Input
      •   Composite Video Inputs
      •   Ethernet
      •   Analog Tuner
      •   Pandora
      •   Spotify

      CONS

      Onkyo TX-NR676

      Pioneer VSX-831

      •   No Front Wide Channel Support
      •   No Dolby Atmos Height Virtualization
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   No HDR10+
      •   No eARC
      •   No 8K Passthrough
      •   Does not Work with Amazon Alexa
      •   0 8K Input
      •   No RCA Pre-Outs
      •   No Digital Radio
      •   Few Channels - 5.2
      •   Low Power Output - 80 W
      •   5.1 Channel Processing
      •   No Dolby Atmos
      •   No Dolby Atmos Height Virtualization
      •   No DTS:X
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   No HDR10+
      •   No eARC
      •   No 8K Passthrough
      •   Does not Work with Amazon Alexa
      •   1 HDMI Outputs
      •   0 8K Input
      •   Few RCA Line Inputs
      •   No RCA Pre-Outs
      •   No Zones
      •   No Digital Radio
      •   No Tidal


      And here are some specifications which fall into average criteria and are neither in PROs nor in CONs category:

      AVERAGE

      Onkyo TX-NR676

      Pioneer VSX-831

      •   7.2 Channels
      •   Power Output - 100 W
      •   7.1 Channel Processing
      •   2 HDMI Outputs
      •   2 Zones
      •   Bluetooth 4․1 + LE
      •   6 HDMI Inputs
      •   Bluetooth 4․1 + LE

      3. Advantage of Onkyo TX-NR676

      This section shows those features and specifications which are the reason to choose Onkyo TX-NR676 over Pioneer VSX-831.

      Check the Price

      Onkyo TX-NR676
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      Onkyo TX-NR676 vs Pioneer VSX-831
      More Channels 7.2 vs 5.2
      Higher Power Output 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) vs 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      Certified 4 Ω Performance vs
      More Channel Processing 7.1 vs 5.1
      Dolby Atmos vs
      Dolby Surround Upmixer vs
      DTS:X vs
      DTS Neural:X vs
      DTS-ES vs
      Music Playback via USB FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHD vs MP3, WMA, AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
      High Resolution Audio Formats via USB FLAC, WAV, Apple Lossless, DSD, AIFF, AAC, Dolby TrueHD vs Apple Lossless, WAV, FLAC, AIFF, DSD
      Jitter Reduction PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio vs
      Virtual Speakers T-D (Theater-Dimensional) vs
      DTS Play-Fi vs
      DLNA 1.5 vs
      More HDMI Inputs 7 (1 front) vs 6
      More HDMI Outputs 2 (simultaneous) vs 1
      More Optical Inputs 2 vs 1
      More RCA Line Inputs 7 (1 Front) vs 3 (1 front)
      More Component Video Inputs 2 vs
      Front A/V Inputs HDMI, Mini-Jack vs USB, Mini-Jack
      More Zones 2 vs 1
      Tidal vs
      Deezer vs
      More Speaker Terminals 9 vs 5
      More Large Speaker Terminals 9 vs 5
      Bigger Power Supply 580 W vs 380 W
      Higher Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) 100 W (0.08% THD) vs 80 W (0.08% THD)
      Higher Power Output (6 Ω, 1 kHz, 1 channel driven, FTC) 170 W (0.9% THD) vs 140 W (1% THD)
      Higher Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA) 210 W (10% THD) vs 160 W (10% THD)
      Higher Dynamic Power per Channel, 3 Ω, Front) 240 W vs 160 W
      Higher Dynamic Power per Channel, 4 Ω, Front) 210 W vs 125 W
      Higher Dynamic Power per Channel, 8 Ω, Front) 120 W vs 85 W
      Longer Warranty 2 Years vs 1 Year Parts & Labor

      4. Advantage of Pioneer VSX-831

      This section shows those features and specifications which are the reason to choose Pioneer VSX-831 over Onkyo TX-NR676.

      Check the Price

      Pioneer VSX-831
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      Onkyo TX-NR676 vs Pioneer VSX-831
      Dolby Pro Logic vs PLII
      DTS Neo vs Neo:6
      More Tone Control Channels Front L/R Channels vs All Channels
      Video Signal Upscaling vs up to 4K

      5. Common Strengths and Weaknesses

      We already listed pros and cons of each model. However, you may also find useful to look at their common strengths and weaknesses shown side-by-side.

      STRENGTHS Onkyo TX-NR676 Pioneer VSX-831
        DSD via HDMI 2-ch/Multi-ch Input 2-ch/Multi-ch Input
        Auto Speaker Calibration System with Mic. AccuEQ with AccuReflex™ MCACC
        HDR10
        Dolby Vision
        New HDCP Version2.22.2
        Analog To HDMI Upconversion Component**, Composite Composite
        Wi-Fi
        Bluetooth SBC, AAC
        Chromecast Built-In
        USB Input1 (Rear)1 Front
        Phono Input
        Composite Video Inputs22
        Ethernet
        Analog Tuner FM/AM FM/AM
        Pandora
        Spotify
      WEAKNESSES Onkyo TX-NR676 Pioneer VSX-831
        No Dolby Atmos Height Virtualization
        No IMAX Enhanced
        No Auro 3D with Auro-Matic Upmixer
        No HDR10+
        No eARC
        No 8K Passthroughup to 4K/60p (RGB/YCbCr4:4:4)up to 4K/60p (4:4:4 24-bit)
      4K/60p (4:2:0 36-bit)
      4K/24p (4:4:4 36-bit)
        Does not Work with Amazon Alexa
        Few 8K Inputs
        No RCA Pre-Outs0.20.2
        No Digital Radio

      6. Amplifier

      Onkyo TX-NR676 Pioneer VSX-831

      7 channel Linear Class A/B Amplifier: Onkyo TX-NR676 features 7 channel power amplifier with Linear Class A/B design. It is rated at 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) and is able to drive 4 ohm speakers.

      5 channel Discrete Direct Energy Amplifier: Pioneer VSX-831 features 5 channel power amplifier with Discrete Direct Energy design. It is rated at 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven).
      • Dynamic Audio Amplification: Onkyo TX-NR676 features Dynamic Audio Amplification which is Onkyo’s amplification philosophy that focuses on capturing the energy and dynamism contained in the audio signal and reproducing it without loss. Audio signals are not static like a test tone, but rather a countless collection of constantly moving waves. While static measurements such as S/N ratio and Total Harmonic Distortion are important, Onkyo believes that excellent dynamic and transient response is the key to emotionally involving sound. Dynamism - the “life” in music - is achieved when the amp can respond to changes in the signal instantaneously, so notes start and stop naturally and the nuances in attack, decay, sustain, and release are voiced with conviction. Onkyo home theater receivers represent the culmination of almost 70 years’ experience in amplifier design. The unique elements of their amplification system comprise high-current, low-impedance architecture to accurately control large speaker cones while enabling instantaneous response to dynamic changes, and discrete wide-range amplifier circuit topology to eliminate phase shift for clear and accurate audio imaging.


      AMPLIFIER Onkyo TX-NR676 Pioneer VSX-831
      Channels7.25.2
      Power Output100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      Amplifier DesignLinear Class A/BDiscrete Direct Energy
      THX™ Certification
      Continuous 6 Ω Rated
      Certified 4 Ω Performance
      Bi-amp Capability

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      Onkyo TX-NR676
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      7. Speaker Configurations

      Onkyo TX-NR676's and Pioneer VSX-831's amplifiers can be assigned for different speaker configurations.

      • Dolby Atmos Configurations: The following speaker configurations are supported for Dolby Atmos:
      • Onkyo TX-NR676: 5.2.2 with internal amplifier.
      • Pioneer VSX-831: Not supported.
      • DTS:X Configurations: The following speaker configurations are supported for DTS:X:
      • Onkyo TX-NR676: The speaker configurations for DTS:X are the same as for Dolby Atmos - 5.2.2 with internal amplifier.
      • Pioneer VSX-831: Not supported.
      • Configurations without height channels: There are also other speaker configurations available which do not include height channels:
      • Onkyo TX-NR676: 5.2, 7.2 with internal amplifier.
      • Pioneer VSX-831: 5.2 with internal amplifier.
      • 2-ch Bi-Amp: Both models are able to bi-amp up to 2 main channels simultaneously. During bi-amplification two amplifiers are used for one speaker. One amplifier powers the midrange and tweeter section of the speaker and another amplifier powers the low frequency woofers. Each amplifier is less loaded and performs better. In order to use this feature speakers must have 2 pairs of connectors.

      8. Immersive Audio Formats

      Dolby Atmos

      Onkyo TX-NR676 supports Dolby Atmos.

      • Dolby Surround Upmixer: Onkyo TX-NR676 supports Dolby Surround Upmixer. If the content is not mixed in Dolby Atmos then the Dolby surround upmixer will expand the audio to all channels including ceiling speakers. The upmixer has replaced the Dolby Pro Logic II family with improved upmixing algorithms.

      DTS:X

      Onkyo TX-NR676 supports DTS:X.

      • DTS Neural:X: Onkyo TX-NR676 supports DTS Neural:X which is an advanced upmixer that can take non DTS:X content and upmix it to the DTS:X speaker layout. It has replaced the DTS Neo family with improved flexibility.
      • DTS Dialog Control: Onkyo TX-NR676 supports DTS Dialog Control. This function adjusts the dialog levels during playback of the DTS:X stream. It allows you to separately increase the dialog levels in contrast with the background sound and hear dialog easily even under noisy circumstances.
      AUDIO DECODING Onkyo TX-NR676 Pioneer VSX-831
      Dolby Atmos
      Dolby Atmos Height Virtualization
      Dolby Atmos Music
      Dolby TrueHD
      Dolby Digital Plus
      Dolby Surround Upmixer
      Dolby Pro Logic PLII
      Dolby Digital EX
      DTS:X
      DTS Neural:X
      DTS Virtual:X
      DTS Neo Neo:6
      DTS-HD Master Audio
      DTS-HD High Resolution Audio
      DTS 96/24
      DTS Express
      DTS-ES
      IMAX Enhanced
      Auro 3D with Auro-Matic Upmixer

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      Pioneer VSX-831
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      9. HDMI

      Onkyo TX-NR676 comes with 7 HDMI inputs. It has 2 outputs which work parallelly and output the same signal.

      Pioneer VSX-831 comes with 6 HDMI inputs. It has 1 output.

      • 4K/60Hz Passthrough: On both receivers all inputs pass up to 4K/60p (RGB/YCbCr4:4:4) video signal.
      • 4K Upscaling on Pioneer VSX-831: It can upscale up to 4K from HDMI and analog sources.
      • Analog To HDMI Upconversion: Both receivers support analog to HDMI Upconversion, so you can input your analog video sources and output them digitally via HDMI. This means that you will need only one HDMI cable to connect to your TV.
      • BT.2020 Color Space: BT.2020 or Rec. 2020 is a color standard which delivers a wider color gamut compared to Rec. 709. It covers approximately 75% of the total visual spectrum while the Rec. 709 covers only 35% (available on both models).
      • HDCP 2.2 Copy Protection: Both receivers are HDCP 2.2 compliant which is a requirement for 4K/HDR copy-protected content transmission.
      • 3D Ready: Both receivers are able to pass 3D video through HDMI.

      HDR (High Dynamic Range)

      Both receivers support HDR10 and Dolby Vision. High dynamic range video has greater dynamic range than standard dynamic range (SDR) video with brighter whites and deeper blacks. The result is greater contrast and more details in dark and bright areas, better color and depth.



      VIDEO FEATURES Onkyo TX-NR676 Pioneer VSX-831
      HDR10
      HDR10+
      Dynamic HDR
      BT.2020 color space
      Dolby Vision
      HLG (Hybrid Log Gamma)
      HDBaseT Compatible
      Enhanced Audio Return Channel (eARC)
      HDCP Version2.22.2
      QMS (Quick Media Switching)
      ALLM (Auto Low Latency Mode)
      VRR (Variable Refresh Rate)
      QFT (Quick Frame transport)
      3-D Ready
      Video Signal Passthroughup to 4K/60p (RGB/YCbCr4:4:4)up to 4K/60p (4:4:4 24-bit)
      4K/60p (4:2:0 36-bit)
      4K/24p (4:4:4 36-bit)
      Video Signal Upscaling up to 4K

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      Onkyo TX-NR676
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      10. Inputs and Outputs

      Audio

      • Phono Input: There is an MM phono input on Onkyo TX-NR676 and Pioneer VSX-831 with built-in phono stage for connecting the moving magnet cartridge output of the turntable directly to the receiver.
      • Analog Line Inputs: There are 7 pair of line inputs on Onkyo TX-NR676 and 3 pair of line inputs on Pioneer VSX-831 for connecting sources with analog outputs.
      • Digital Inputs: 2 optical inputs and 1 coaxial input are available on Onkyo TX-NR676 and 1 optical input and 1 coaxial input are available on Pioneer VSX-831 for digital audio connections.
      • Headphone Output: There is a 6.3 mm (1/4") headphone output jack on the front panel of each receiver.

      Video

      • HDMI:
      • Onkyo TX-NR676
        Inputs:         7 (1 front)   Outputs: 2 (simultaneous)
        8K Inputs: 0.
      • Pioneer VSX-831
        Inputs:         6   Outputs: 1
        8K Inputs: 0.
      • Composite Video: Connect you VCR, Laserdisc player and other old video equipment with composite video cables.
      • Onkyo TX-NR676
        Inputs:         2   Outputs: 0.
      • Pioneer VSX-831
        Inputs:         2   Outputs: 0.
      • Component Video: Component video connection gives you the higher quality video compared to the composite video connection. So in case your old DVD player and other equipment do not have an HDMI output but have Component video output use this connection over the composite one.
      • Onkyo TX-NR676 supports up to 480i/576i resolution on Component video connectors. resolution on Component video connectors.
      • Onkyo TX-NR676
        Inputs:         2   Outputs: 0.
      • Pioneer VSX-831
        Inputs:         0   Outputs: 0.

      Front A/V Inputs

      • Onkyo TX-NR676: HDMI, Mini-Jack
      • Pioneer VSX-831: USB, Mini-Jack

      Onkyo TX-NR676

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      Pioneer VSX-831

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      TERMINALS Onkyo TX-NR676 Pioneer VSX-831
      HDMI Inputs7 (1 front)6
      HDMI Outputs2 (simultaneous)1
      8K Inputs
      USB Input1 (Rear)1 Front
      USB DC Out Port
      Optical Inputs21
      Optical Outputs
      Coaxial Inputs11
      RCA Line Inputs7 (1 Front)3 (1 front)
      RCA Line Outputs
      XLR Line Inputs
      Phono Input
      Multi-Channel Input
      RCA Pre-Outs0.20.2
      XLR Pre-outs
      Composite Video Inputs22
      Composite Video Outputs
      S-Video Inputs
      S-Video Outputs
      Component Video Inputs2
      Component Video Outputs

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      Pioneer VSX-831
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      11. Evaluations

      We evaluated Onkyo TX-NR676 and Pioneer VSX-831 and gave them scores of 86 and 77 out of 100 recpectively. We also gave separate scores for 7 different categories according to the available features and specifications some of which are listed below. These evaluations are relative and may change each time a new receiver is added to the database.


      Onkyo TX-NR676

      Pioneer VSX-831

      OVERALL
      86
      OVERALL
      77

      Amplifier

      EXCELLENT
      87
      •   7.2 Channels
      •   Power Output - 100 W
      GOOD
      77
      •   Few Channels - 5.2
      •   Low Power Output - 80 W

      Audio Features

      EXCELLENT
      86
      •   7.2 Channels
      •   No Front Wide Channel Support
      •   7.1 Channel Processing
      •   Dolby Atmos
      •   No Dolby Atmos Height Virtualization
      •   DTS:X
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   DSD via HDMI
      GOOD
      71
      •   Few Channels - 5.2
      •   5.1 Channel Processing
      •   No Dolby Atmos
      •   No Dolby Atmos Height Virtualization
      •   No DTS:X
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   DSD via HDMI

      Video Features

      EXCELLENT
      90
      •   HDR10
      •   No HDR10+
      •   Dolby Vision
      •   No 8K Passthrough
      •   Analog To HDMI Upconversion
      EXCELLENT
      92
      •   HDR10
      •   No HDR10+
      •   Dolby Vision
      •   No 8K Passthrough
      •   Analog To HDMI Upconversion

      Connectivity

      GOOD
      84
      •   No eARC
      •   New HDCP Version
      •   Wi-Fi
      •   Bluetooth
      •   Does not Work with Amazon Alexa
      •   Chromecast Built-In
      •   7 HDMI Inputs
      •   2 HDMI Outputs
      •   0 8K Input
      •   USB Input
      •   Many RCA Line Inputs
      •   Phono Input
      •   No RCA Pre-Outs
      •   Composite Video Inputs
      •   Component Video Inputs
      •   Ethernet
      •   Bluetooth 4․1 + LE
      GOOD
      80
      •   No eARC
      •   New HDCP Version
      •   Wi-Fi
      •   Bluetooth
      •   Does not Work with Amazon Alexa
      •   Chromecast Built-In
      •   6 HDMI Inputs
      •   1 HDMI Outputs
      •   0 8K Input
      •   USB Input
      •   Few RCA Line Inputs
      •   Phono Input
      •   No RCA Pre-Outs
      •   Composite Video Inputs
      •   Ethernet
      •   Bluetooth 4․1 + LE

      Zones

      GOOD
      77
      •   2 Zones
      AVERAGE
      55
      •   No Zones

      Radio

      EXCELLENT
      92
      •   Analog Tuner
      •   Pandora
      •   Spotify
      •   Tidal
      EXCELLENT
      85
      •   Analog Tuner
      •   Pandora
      •   Spotify
      •   No Tidal

      12. Specifications

      GENERAL Onkyo TX-NR676 Pioneer VSX-831
      BrandOnkyoPioneer
      ModelTX-NR676VSX-831
      TypeA/V ReceiverA/V Receiver
      CountryNorth AmericaNorth America
      Release Year20172017
      PredecessorOnkyo TX-NR656 Pioneer VSX-830-K
      SuccessorOnkyo TX-NR686 Pioneer VSX-832
      AMPLIFIER Onkyo TX-NR676 Pioneer VSX-831
      Channels7.25.2
      Power Output100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      Front Wide Channel Support
      Amplifier DesignLinear Class A/BDiscrete Direct Energy
      Dynamic Audio Amplification
      Non-Phase Shift Amplifier
      VLSC (Vector Linear Shaping Circuitry) Front L/R channels
      Optimum Gain Volume Circuitry
      THX™ Certification
      Continuous 6 Ω Rated
      Certified 4 Ω Performance
      Discrete Output Stage Circuitry
      Independent Block Construction (Amp/Preprocessor)
      Bi-amp Capability
      BTL (Bridged Transless or Bridging)
      AUDIO FEATURES Onkyo TX-NR676 Pioneer VSX-831
      Digital Signal Processing (DSP) Engine32-bit Digital Signal Processing EnginesCirrus Logic (Quad Core) x 1
      DACAKM AK4458AKM AK4458
      DAC Specs384 kHz/32 Bit384 kHz/32 Bit
      Maximum Channel Processing7.15.1
      Air Studios Monitor Certification
      Dolby Atmos
      Dolby Atmos Height Virtualization
      Dolby Atmos Music
      Dolby TrueHD
      Dolby Digital Plus
      Dolby Surround Upmixer
      Dolby Pro Logic PLII
      Dolby Digital EX
      THX Listening Modes
      Surround EX
      DTS:X
      DTS Neural:X
      DTS Virtual:X
      DTS Neo Neo:6
      DTS-HD Master Audio
      DTS-HD High Resolution Audio
      DTS 96/24
      DTS Express
      DTS-ES
      IMAX Enhanced
      Auro 3D with Auro-Matic Upmixer
      PCM 2-ch/Multi-ch Input 2-ch/Multi-ch Input
      Network Audio FormatsFLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, MPEG-4 AAC, LPCM
      Music Playback via USBFLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHDMP3, WMA, AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
      High Resolution Music Playback via USB and/or Network up to 192 kHz 64, 88.2, 96, 176.4, 192 kHz/24 bit
      High Resolution Audio Formats via USBFLAC, WAV, Apple Lossless, DSD, AIFF, AAC, Dolby TrueHDApple Lossless, WAV, FLAC, AIFF, DSD
      Gapless Playback
      DSD via HDMI 2-ch/Multi-ch Input 2-ch/Multi-ch Input
      DSD via USB 2-ch Input 2-ch Input
      DSD to PCM Converter
      USB DAC
      Jitter Reduction PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio
      Auto Level Control
      DTS Dialogue Control
      Dialog Enhancement
      Dialog normalization
      Dialogue Lift
      Sound Retriever Advanced (2-Channel)
      Sound Retriever AIR
      Digital noise Reduction
      Tone Control Front L/R Channels All Channels
      Compressed Music Enhancer Advanced Music Optimizer (bluetooth included) Advanced Sound Retriever
      High-resolution Music Enhancer
      THX Processing Mode
      Audyssey Dynamic EQ
      Audyssey Dynamic Volume
      Audyssey LFC
      Audyssey Sub EQ HT
      Audyssey DSX
      Phase-Matching Bass Boost
      Direct Mode
      Pure Audio Mode
      Pure Direct Analog Path Mode
      Pure Direct Mode
      Auto Surround
      Optimum Surround
      Advanced Surround12
      Wide Surround
      Front Stage Surround Advance
      Headphone Surround
      Virtual Speakers T-D (Theater-Dimensional)
      Virtual Depth
      Independent Subwoofer Outputs
      CALIBRATION Onkyo TX-NR676 Pioneer VSX-831
      Auto Speaker Calibration System with Mic. AccuEQ with AccuReflex™ MCACC
      Manual MCACC
      MCACC Memory1
      Phase Control
      Auto Phase Control Plus
      Full Band Phase Control
      Standing Wave Control
      EQ Bands9-Band
      Symmetric EQ
      X-Curve
      Distance Adjustment0.1 feet
      Precision Distance
      Polarity Check
      Auto Subwoofer Crossover
      VIDEO FEATURES Onkyo TX-NR676 Pioneer VSX-831
      HDR10
      HDR10+
      Dynamic HDR
      BT.2020 color space
      Dolby Vision
      HLG (Hybrid Log Gamma)
      HDBaseT Compatible
      Enhanced Audio Return Channel (eARC)
      HDCP Version2.22.2
      QMS (Quick Media Switching)
      ALLM (Auto Low Latency Mode)
      VRR (Variable Refresh Rate)
      QFT (Quick Frame transport)
      3-D Ready
      Video Signal Passthroughup to 4K/60p (RGB/YCbCr4:4:4)up to 4K/60p (4:4:4 24-bit)
      4K/60p (4:2:0 36-bit)
      4K/24p (4:4:4 36-bit)
      Video Signal Upscaling up to 4K
      Analog To HDMI Upconversion Component**, Composite Composite
      Component Video Upscaling
      Analog to Analog Video conversion
      Component Video Maximum Resolution480i/576i
      Stream Smoother
      Pure Cinema
      Video Parameter Adjustments
      Triple HD noise Reduction
      Super Resolution
      isf Certified Calibration Control
      CONNECTIVITY Onkyo TX-NR676 Pioneer VSX-831
      Wi-Fi
      Bluetooth SBC, AAC
      Works with Amazon Alexa
      Chromecast Built-In
      Works with SonoS
      DTS Play-Fi
      MHL Input
      DLNA 1.5
      AirPlay AirPlay AirPlay
      Apple Product Connection iPod, iPhone and iPad iPod, iPhone and iPad (Airplay only)
      Remote AppOnkyo Remote App for iPod touch/iPhone and Android-Powered Devices iControlAV5 (for iOS and Android)
      InstaPrevue Input Source Prevue
      TERMINALS Onkyo TX-NR676 Pioneer VSX-831
      HDMI Inputs7 (1 front)6
      HDMI Outputs2 (simultaneous)1
      8K Inputs
      USB Input1 (Rear)1 Front
      USB DC Out Port
      Optical Inputs21
      Optical Outputs
      Coaxial Inputs11
      RCA Line Inputs7 (1 Front)3 (1 front)
      RCA Line Outputs
      XLR Line Inputs
      Phono Input
      Multi-Channel Input
      RCA Pre-Outs0.20.2
      XLR Pre-outs
      Composite Video Inputs22
      Composite Video Outputs
      S-Video Inputs
      S-Video Outputs
      Component Video Inputs2
      Component Video Outputs
      Ethernet
      Ethernet Switch
      PC In
      Front A/V InputsHDMI, Mini-JackUSB, Mini-Jack
      Speaker A/B
      Headphone Out6.3 mm (1/4")6.3 mm (1/4")
      Detachable Power Cord
      uport
      adapterport
      ZONES Onkyo TX-NR676 Pioneer VSX-831
      Number of Zones21
      Powered Zones 2
      Zone 2 OutsRCA Line Out
      Whole House Mode
      RS-232C Interface
      +12V Trigger Output0
      Remote (IR) Input/Output0 / 00 / 0
      MISCELLANEOUS Onkyo TX-NR676 Pioneer VSX-831
      On-Screen Display Graphical Overlaid On-Screen Display (OSD) via HDMI with Quick Set-UpIcon-based Graphical User Interface (GUI)
      GUI Languages7
      AV Navigator
      IP Control
      PreAmp Mode
      Versatile Speaker Configuration
      FL Dimmer
      Function Rename
      ONKYO-RI System Control
      RIHD (Remote Interactive Over HDMI)
      Pre-Pro/Learning Remote /
      On Screen Remote Programming
      Bi-directional Remote Setup via GUI
      Smart Grid-Ready
      RADIO Onkyo TX-NR676 Pioneer VSX-831
      Analog Tuner FM/AM FM/AM
      Presets4040
      Digital Radio
      Internet Radio TuneIn TuneIn
      Pandora
      Spotify
      Tidal
      Deezer
      Napster
      SiriusXM
      CONSTRUCTION Onkyo TX-NR676 Pioneer VSX-831
      Front PanelBrushed
      Solid Aluminum Front
      Speaker Terminals95
      Large Speaker Terminals95
      Color-Coded Speaker Terminals
      Transparent High-Grade Speaker Terminals
      3D Space Frame Construction
      Gold plated RCA terminals
      POWER Onkyo TX-NR676 Pioneer VSX-831
      Power SupplyAC 120 V, 60 HzAC 120 V, 60 Hz
      Independent Power Supply
      H.C.P.S. (High Current Power Supply)
      Toroidal Transformer
      Low Leakage Flux Power Transformer
      Transformer Stabilizer
      Power Consumption580 W380 W
      No Sound Power60 W45 W
      Standby Power0.15 W0.1 W
      ECO Mode / Hybrid Standby Function
      Auto Power off
      PHYSICAL Onkyo TX-NR676 Pioneer VSX-831
      Dimensions (W x H x D)435 mm x 173.5 mm x 378 mm
      17-1/8" x 6-13/16" x 14-7/8"      		435 mm x 173 mm x 370.5 mm
      17-1/8" x 6-13/16" x 14-9/16"
      Weight10.0 kg (22.0 lbs)9.0 kg (19.8 lbs)
      SPECIFICATIONS Onkyo TX-NR676 Pioneer VSX-831
      Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)100 W (0.08% THD)80 W (0.08% THD)
      Power Output (6 Ω, 1 kHz, 1 channel driven, FTC)170 W (0.9% THD)140 W (1% THD)
      Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)210 W (10% THD)160 W (10% THD)
      Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)130 W (1% THD)
      Dynamic Power per Channel (3 Ω, Front)240 W160 W
      Dynamic Power per Channel (4 Ω, Front)210 W125 W
      Dynamic Power per Channel (8 Ω, Front)120 W85 W
      THD0.08% (20 Hz - 20 kHz, Half power)
      Input Sensitivity and Impedance (Line)200 mV/47 kΩ (1 kHz, 100 W/8 Ω)200 mV/47 kΩ
      Input Sensitivity and Impedance (Phono MM)3.5 mV/47 kΩ3.5 mV/47 kΩ
      Rated Headphone Jack Output Level and Impedance330 Ω330 Ω
      Rated Headphone Power Output85 mW (32 Ω, 1 kHz, 10% THD)85 mW (32 Ω, 1 kHz, 10% THD)
      Phono Overload70 mV (MM, 1 kHz 0.5%)70 mV (MM, 1 kHz, 0.5%)
      S/N Ratio (Line, IHF-A)106 dB106 dB
      S/N Ratio (Phono MM, IHF-A)80 dB80 dB
      Frequency Response (Analog In)10 Hz - 100 kHz/+1 dB, -3 dB (Direct)10 Hz - 100 kHz/+1 dB, -3 dB (Pure Direct)
      DSD Sampling Rates via HDMI2.8 MHz2.8 MHz
      DSD Sampling Rates via USB2.8 MHz, 5.6 MHz5.6 MHz, 2.8 MHz
      Video Input Sensitivity/Output Level and Impedance 1 Vp-p/75 Ω (Component Y)
      0.7 Vp-p/75 Ω (Component PB/CB, PR/CR)
      1 Vp-p/75 Ω (Composite)      		1 Vp-p/75 Ω (Composite)
      Ethernet Standard10BASE-T/100BASE-TX10BASE-T/100BASE-TX
      Wi-Fi StandardIEEE 802.11 a/b/g/nIEEE 802.11 a/b/g/n
      Wi-Fi Terminal Frequency5 GHz, 2.4 GHzDual band 2.4 GHz, 5 GHz
      Bluetooth Version4․1 + LE4․1 + LE
      Bluetooth Frequency2.4 GHz2.4 GHz
      HDMI TerminalType A (19-pin)
      HDMI Output Type5 V, 55 mA
      USB TerminalVer. 2.0, 5 V, 1 AUSB2.0 (Type A) 5 V, 1 A
      FM Frequency87.5 MHz - 107.9 MHz87.5 MHz - 107.9 MHz
      AM Frequency530 kHz - 1710 kHz530 kHz - 1710 kHz
      Warranty2 Years1 Year Parts & Labor

      * - 480i/576i and 480p/576p only
      ** - 480i/576i only
      *** - no 1080p/24 upconversion
      **** - 1080p signal is not converted

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