Onkyo TX-NR636 vs Yamaha RX-V4A: Comprehensive Comparison

1. Overview

Here we are comparing Onkyo TX-NR636 to Yamaha RX-V4A 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-NR636 has 7 channel and the Yamaha RX-V4A has 5 channel amplifiers.

Onkyo TX-NR636	Yamaha RX-V4A
Onkyo TX-NR636 was introduced in 2014. It is equipped with 7 channel amplifier with 95 W (8 Ω, 20 Hz - 20 kHz and 2 channel driven) power per channel and is capable of 7.1 maximum channel processing. It supports Dolby Atmos, passes 4K/60Hz and upscales up to 4K/30p (Marvell Qdeo) video signal.	Yamaha RX-V4A was introduced in 2020. 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 8K/60Hz and 4K/120Hz and upscales up to 4K 60p 4:4:4 video signal.

We evaluated Onkyo TX-NR636 and Yamaha RX-V4A and gave them scores of 81 and 76 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-NR636

Yamaha RX-V4A

Amplifier

87

Amplifier

67

Audio Features

81

Audio Features

69

Video Features

71

Video Features

99

Connectivity

83

Connectivity

82

Zones

77

Zones

55

Radio

88

Radio

90

OVERALL

81

OVERALL

76

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-NR636 and Yamaha RX-V4A.

PROS

Onkyo TX-NR636

Yamaha RX-V4A

Dolby Atmos
DSD via HDMI
Auto Speaker Calibration System with Mic.
New HDCP Version
Analog To HDMI Upconversion
Wi-Fi
Bluetooth
7 HDMI Inputs
USB Input
Many RCA Line Inputs
Phono Input
Composite Video Inputs
Component Video Inputs
Ethernet
Analog Tuner
Pandora
Spotify
Independent Power Supply

DSD via HDMI
Auto Speaker Calibration System with Mic.
HDR10
HDR10+
Dolby Vision
HDMI 2.1
eARC
New HDCP Version
Auto Low Latency Mode Pass-through
VRR
QFT
8K Passthrough
Wi-Fi
Bluetooth
Works with Amazon Alexa
Google Assistant
4 8K Inputs
USB Input
Ethernet
Analog Tuner
Spotify
Tidal

CONS

Onkyo TX-NR636

Yamaha RX-V4A

No Front Wide Channel Support
No Dolby Atmos Height Virtualization
No DTS:X
No IMAX Enhanced
No Auro 3D with Auro-Matic Upmixer
No HDR10
No HDR10+
No Dolby Vision
No eARC
No 8K Passthrough
Does not Work with Amazon Alexa
0 8K Input
No RCA Pre-Outs
No Digital Radio
No Tidal
Bluetooth 2․1 + EDR

Few Channels - 5.2
Low Power Output - 80 W
No Front Wide Channel Support
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
4 HDMI Inputs
1 HDMI Outputs
Few RCA Line Inputs
No Phono Input
No RCA Pre-Outs
No Composite Video Inputs
No Zones
No Digital Radio
No Pandora

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

AVERAGE

Onkyo TX-NR636

Yamaha RX-V4A

7.2 Channels
Power Output - 95 W
7.1 Channel Processing
2 HDMI Outputs
2 Zones

Bluetooth 4․2

3. Advantage of Onkyo TX-NR636

This section shows those features and specifications which are the reason to choose Onkyo TX-NR636 over Yamaha RX-V4A.

Check the Price

Onkyo TX-NR636

	Onkyo TX-NR636	vs	Yamaha RX-V4A
More Channels	7.2	vs	5.2
Higher Power Output	95 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 Express		vs
DTS-ES	Discrete 6.1, Matrix 6.1	vs
Music Playback via USB	FLAC, WAV, Apple Lossless, WMA, WMA Lossless, Ogg, MP3, DSD, AAC, LPCM, Dolby TruHD	vs	MP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
High Resolution Audio Formats via USB	FLAC, WAV, WMA Lossless, Apple Lossless, DSD, AAC	vs	Apple Lossless, WAV, FLAC, AIFF, DSD
Analog To HDMI Upconversion	Component, Composite**	vs
MHL Input	Front HDMI	vs
InstaPrevue Input Source Prevue		vs
More HDMI Inputs	7 (1 front)	vs	4
More HDMI Outputs	2 (simultaneous)	vs	1
More Coaxial Inputs/Outputs	2	vs	1
More RCA Line Inputs	6	vs	3
Phono Input		vs
More Composite Video Inputs	3	vs
More Composite Video Outputs	1	vs
More Component Video Inputs	1	vs
More Component Video Outputs	1	vs
Front A/V Inputs	HDMI/MHL, USB	vs	USB
More Zones	2	vs	1
Analog Tuner	FM/AM with RDS	vs	FM/AM
Pandora		vs
More Speaker Terminals	9	vs	5
More Large Speaker Terminals	9	vs	5
Color-Coded Speaker Terminals		vs
Bigger Power Supply	630 W	vs	260 W
Higher Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA)	175 W	vs	145 W (10% THD)
Higher DSD Sampling Rate via HDMI	2.8 MHz, 5.6 MHz	vs	2.8 MHz
Wider AM Frequency Range	522/530 kHz - 1611/1710 kHz	vs	531 kHz - 1611 kHz

4. Advantage of Yamaha RX-V4A

This section shows those features and specifications which are the reason to choose Yamaha RX-V4A over Onkyo TX-NR636.

Check the Price

Yamaha RX-V4A

	Onkyo TX-NR636	vs	Yamaha RX-V4A
Higher DAC Specs	192 kHz/24 Bit	vs	384 kHz/32 Bit
Dolby Pro Logic		vs	PLII
Higher Resolution Music Playback via USB	up to 96 kHz	vs	up to 192 kHz/32 Bit
Dialog Level Adjustment		vs
HDR10		vs
HDR10+		vs
BT.2020 color space		vs
Dolby Vision		vs
HLG		vs
Enhanced Audio Return Channel (eARC)		vs
Newer HDCP Version	2.2	vs	2.3
QMS		vs
Auto Low Latency Mode Pass-through		vs
VRR		vs
QFT		vs
Video Signal Passthrough	up to 4K/60p (YCbCr 4:2:0)	vs	up to 8K 50/60Hz and 4K 100/120Hz 4:4:4
Video Signal Upscaling	up to 4K/30p (Marvell Qdeo)	vs	up to 4K 60p 4:4:4
Works with Amazon Alexa		vs
AirPlay	AirPlay via optional Onkyo RI Dock DS-A5 (sold separately)	vs	AirPlay 2
More 8K Inputs		vs	4
Tidal		vs
Deezer		vs
Napster		vs
Lower THD	0.08% (20 Hz - 20 kHz, Half power)	vs	0.04% (AUDIO 3 etc. to Front, Pure Direct, 20 Hz - 20 kHz, 40 W, 6 Ω)
Higher Damping Factor	60 (Front, 1 kHz, 8 Ω)	vs	100 (Front, 1 kHz, 8 Ω)
Higher S/N Ratio (Line, IHF-A)	106 dB	vs	110 dB
Higher DSD Sampling Rate via USB	2.8 MHz	vs	11.2 MHz, 5.6 MHz, 2.8 MHz
Wi-Fi Standard	IEEE 802.11 b/g/n	vs	IEEE 802.11 a/b/g/n/ac
Wi-Fi Terminal Frequency	2.4 GHz	vs	2.4 GHz, 5 GHz
Newer Bluetooth Version	2․1 + EDR	vs	4․2

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-NR636	Yamaha RX-V4A
DSD via HDMI	2-ch/Multi-ch Input	2-ch/Multi-ch Input
Auto Speaker Calibration System with Mic.	AccuEQ	YPAO sound optimization
New HDCP Version	2.2	2.3
Wi-Fi
Bluetooth		SBC, AAC
USB Input	1 (Front)	USB memory, Portable Audio Player
Ethernet
Analog Tuner	FM/AM with RDS	FM/AM
Spotify

WEAKNESSES	Onkyo TX-NR636	Yamaha RX-V4A
No Front Wide Channel Support
No Dolby Atmos Height Virtualization
No DTS:X
No IMAX Enhanced
No Auro 3D with Auro-Matic Upmixer
No RCA Pre-Outs	0.2	0.2
No Digital Radio

6. Amplifier

Onkyo TX-NR636	Yamaha RX-V4A
7 channel Amplifier: Onkyo TX-NR636 features 7 channel power amplifier. It is rated at 95 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) and is able to drive 4 ohm speakers.	5 channel Amplifier: Yamaha RX-V4A features 5 channel power amplifier. It is rated at 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven).

WRAT (Wide Range Amp Technology): Onkyo TX-NR636 features Onkyo’s Wide Range Amp Technology (WRAT) circuit layout that prevents phase shifting by pushing the roll-off point higher than the listening-level frequency. Amplifying sound without phase shift creates an uncommonly well-focused and realistic audio image. If phase shift occurs and signal timing is not accurate, then neither is the resulting audio image.

AMPLIFIER	Onkyo TX-NR636	Yamaha RX-V4A
Channels	7.2	5.2
Power Output	95 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
THX™ Certification
Continuous 6 Ω Rated
Certified 4 Ω Performance
Bi-amp Capability

7. Speaker Configurations

Onkyo TX-NR636's and Yamaha RX-V4A's amplifiers can be assigned for different speaker configurations.

Dolby Atmos Configurations: The following speaker configurations are supported for Dolby Atmos:

Onkyo TX-NR636: 5.2.2 with internal amplifier.

Yamaha RX-V4A: Not supported.

Configurations without height channels: There are also other speaker configurations available which do not include height channels:

Onkyo TX-NR636: 5.2, 7.2 with internal amplifier.

Yamaha RX-V4A: 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-NR636 supports Dolby Atmos.

Dolby Surround Upmixer: Onkyo TX-NR636 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.

AUDIO DECODING	Onkyo TX-NR636	Yamaha RX-V4A
Dolby Atmos
Dolby Atmos Height Virtualization
Dolby Atmos Music
Dolby TrueHD
Dolby Digital Plus
Dolby Surround Upmixer
Dolby Pro Logic		PLII
DTS:X
DTS Neural:X
DTS Virtual:X
DTS Neo	Neo:6	Neo:6
DTS-HD Master Audio
DTS-HD High Resolution Audio
DTS 96/24
DTS Express
DTS-ES	Discrete 6.1, Matrix 6.1
IMAX Enhanced
Auro 3D with Auro-Matic Upmixer

9. HDMI

Onkyo TX-NR636 comes with 7 HDMI inputs. It has 2 outputs which work parallelly and output the same signal.

Yamaha RX-V4A comes with 4 HDMI 2.1 inputs with 8K support. It has 1 output.

4K/60Hz Passthrough on Onkyo TX-NR636: All inputs pass up to 4K/60p (YCbCr 4:2:0) video signal.
8K/60Hz and 4K/120Hz Passthrough on Yamaha RX-V4A: All inputs pass up to 8K 50/60Hz and 4K 100/120Hz 4:4:4 video signal.
4K Upscaling on Onkyo TX-NR636: It can upscale up to 4K/30p (Marvell Qdeo) from HDMI and analog sources.
4K Upscaling on Yamaha RX-V4A: It can upscale up to 4K 60p 4:4:4 from HDMI sources.
Analog To HDMI Upconversion: Onkyo TX-NR636 supports 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 Yamaha RX-V4A only).
HDCP Copy Protection: Onkyo TX-NR636 is HDCP 2.2 and Yamaha RX-V4A is HDCP 2.3 compliant which is a requirement for 4K/HDR copy-protected content transmission.
Quick Media Switching (QMS): With HDMI 2.1a, Quick Media Switching for movies and video uses the HDMI VRR mechanism to eliminate the blackout period when an HDMI Source device switches its video mode. As long as the resolution remains the same and only the frame rate changes, QMS will instantly switch between frame rates. QMS eliminates A/V blackouts by using VRR technology to change frame rates, allowing instant changes from 24Hz to 60Hz frame rate, and anywhere in-between. The viewer never sees blank screens and gets a seamless experience (available on Yamaha RX-V4A only).
3D Ready: Both receivers are able to pass 3D video through HDMI.

HDR (High Dynamic Range)

Onkyo TX-NR636 does not support HDR.

Yamaha RX-V4A supports HDR10, HDR10+, Dolby Vision and Hybrid Log-Gamma. 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.

Enhanced Audio Return Channel (eARC)

Yamaha RX-V4A supports Audio Return Channel (ARC) which allows the compatible TV to send audio signal to the a/v receiver through the same HDMI cable which is used to send audio and video signals to the TV. So one HDMI cable is used to transfer audio signal in both directions. New Enhanced ARC will support uncompressed audio formats such as Dolby Atmos, DTS:X, Dolby TrueHD and DTS HD Master Audio whereas the previous ARC could support only Dolby Digital, Dolby Digital Plus, DTS, DTS HD, and PCM.

Gaming Features

Yamaha RX-V4A supports Auto Low Latency Mode (ALLM), Variable Refresh Rate (VRR) and Quick Frame Transport (QFT) for lag-free and smooth gaming.

VIDEO FEATURES	Onkyo TX-NR636	Yamaha RX-V4A
HDR10
HDR10+
Dynamic HDR
BT.2020 color space
Dolby Vision
HLG (Hybrid Log Gamma)
HDBaseT Compatible
Enhanced Audio Return Channel (eARC)
HDCP Version	2.2	2.3
QMS (Quick Media Switching)
ALLM (Auto Low Latency Mode)
VRR (Variable Refresh Rate)
QFT (Quick Frame transport)
3-D Ready
Video Signal Passthrough	up to 4K/60p (YCbCr 4:2:0)	up to 8K 50/60Hz and 4K 100/120Hz 4:4:4
Video Signal Upscaling	up to 4K/30p (Marvell Qdeo)	up to 4K 60p 4:4:4

10. Inputs and Outputs

Audio

Phono Input: There is an MM phono input on Onkyo TX-NR636 with built-in phono stage for connecting the moving magnet cartridge output of the turntable directly to the receiver.
Analog Line Inputs: There are 6 pair of line inputs on Onkyo TX-NR636 and 3 pair of line inputs on Yamaha RX-V4A for connecting sources with analog outputs.
Digital Inputs: 1 optical input and 2 coaxial inputs are available on Onkyo TX-NR636 and 1 optical input and 1 coaxial input are available on Yamaha RX-V4A 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-NR636
Inputs: 7 (1 front) Outputs: 2 (simultaneous)
8K Inputs: 0.

Yamaha RX-V4A
Inputs: 4 Outputs: 1
8K Inputs: 4.

Composite Video: Connect you VCR, Laserdisc player and other old video equipment with composite video cables.

Onkyo TX-NR636
Inputs: 3 Outputs: 1.

Yamaha RX-V4A
Inputs: 0 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-NR636 supports up to 1080p resolution on Component video connectors. resolution on Component video connectors.

Onkyo TX-NR636
Inputs: 1 Outputs: 1.

Yamaha RX-V4A
Inputs: 0 Outputs: 0.

Front A/V Inputs

Onkyo TX-NR636: HDMI/MHL, USB
Yamaha RX-V4A: USB

Onkyo TX-NR636

Yamaha RX-V4A

TERMINALS	Onkyo TX-NR636	Yamaha RX-V4A
HDMI Inputs	7 (1 front)	4
HDMI Outputs	2 (simultaneous)	1
8K Inputs		4
USB Input	1 (Front)	USB memory, Portable Audio Player
USB DC Out Port
Optical Inputs	1	1
Optical Outputs
Coaxial Inputs	2	1
RCA Line Inputs	6	3
RCA Line Outputs
XLR Line Inputs
Phono Input
Multi-Channel Input
RCA Pre-Outs	0.2	0.2
XLR Pre-outs
Composite Video Inputs	3
Composite Video Outputs	1
S-Video Inputs
S-Video Outputs
Component Video Inputs	1
Component Video Outputs	1

11. Evaluations

We evaluated Onkyo TX-NR636 and Yamaha RX-V4A and gave them scores of 81 and 76 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-NR636

Yamaha RX-V4A

OVERALL

81

OVERALL

76

Amplifier

EXCELLENT

87

7.2 Channels
Power Output - 95 W
Independent Power Supply

AVERAGE

67

Few Channels - 5.2
Low Power Output - 80 W

Audio Features

GOOD

81

7.2 Channels
No Front Wide Channel Support
7.1 Channel Processing
Dolby Atmos
No Dolby Atmos Height Virtualization
No DTS:X
No IMAX Enhanced
No Auro 3D with Auro-Matic Upmixer
DSD via HDMI

AVERAGE

69

Few Channels - 5.2
No Front Wide Channel Support
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

GOOD

71

No HDR10
No HDR10+
No Dolby Vision
No 8K Passthrough
Analog To HDMI Upconversion

EXCELLENT

99

HDR10
HDR10+
Dolby Vision
HDMI 2.1
Auto Low Latency Mode Pass-through
VRR
QFT
8K Passthrough

Connectivity

GOOD

83

No eARC
New HDCP Version
Wi-Fi
Bluetooth
Does not Work with Amazon Alexa
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 2․1 + EDR

GOOD

82

eARC
New HDCP Version
Wi-Fi
Bluetooth
Works with Amazon Alexa
Google Assistant
4 HDMI Inputs
1 HDMI Outputs
4 8K Inputs
USB Input
Few RCA Line Inputs
No Phono Input
No RCA Pre-Outs
No Composite Video Inputs
Ethernet
Bluetooth 4․2

Zones

GOOD

77

2 Zones

AVERAGE

55

No Zones

Radio

EXCELLENT

88

Analog Tuner
Pandora
Spotify
No Tidal

EXCELLENT

90

Analog Tuner
No Pandora
Spotify
Tidal

12. Specifications

GENERAL	Onkyo TX-NR636	Yamaha RX-V4A
Brand	Onkyo	Yamaha
Model	TX-NR636	RX-V4A
Type	A/V Receiver	A/V Receiver
Country	Australia and Asia	China
Release Year	2014	2020
Predecessor	Onkyo TX-NR626
Successor	Onkyo TX-NR646

AMPLIFIER	Onkyo TX-NR636	Yamaha RX-V4A
Channels	7.2	5.2
Power Output	95 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
WRAT (Wide Range Amplifier Technology)
VLSC (Vector Linear Shaping Circuitry)
Optimum Gain Volume Circuitry
THX™ Certification
Continuous 6 Ω Rated
Certified 4 Ω Performance
Discrete Output Stage Circuitry
3-Stage Inverted Darlington Circuitry	Front & Center Channels
PUSH-PULL Design
Independent Block Construction (Amp/Preprocessor)
Bi-amp Capability
BTL (Bridged Transless or Bridging)

AUDIO FEATURES	Onkyo TX-NR636	Yamaha RX-V4A
Digital Signal Processing (DSP) Engine	Dual 32-bit DSP for Powerful Advanced Processing
Surround:AI™
DAC	Burr-Brown	Burr-Brown PCM5101A
DAC Specs	192 kHz/24 Bit	384 kHz/32 Bit
Maximum Channel Processing	7.1	5.1
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
Surround EX	also known as Dolby Digital Surround EX
DTS:X
DTS Neural:X
DTS Virtual:X
DTS Neo	Neo:6	Neo:6
DTS-HD Master Audio
DTS-HD High Resolution Audio
DTS 96/24
DTS Express
DTS-ES	Discrete 6.1, Matrix 6.1
IMAX Enhanced
Auro 3D with Auro-Matic Upmixer
PCM	2-ch/Multi-ch Input	2-ch/Multi-ch Input
Network Audio Formats		MP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
Music Playback via USB	FLAC, WAV, Apple Lossless, WMA, WMA Lossless, Ogg, MP3, DSD, AAC, LPCM, Dolby TruHD	MP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
High Resolution Music Playback via USB and/or Network	up to 96 kHz	up to 192 kHz/32 Bit
High Resolution Audio Formats via USB	FLAC, WAV, WMA Lossless, Apple Lossless, DSD, AAC	Apple 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
DTS Dialogue Control
Dialog Enhancement
Dialog Level Adjustment
Dialog normalization
Dialogue Lift
Tone Control	Front L/R Channels
Compressed Music Enhancer	Advanced Music Optimizer (bluetooth included)
High-resolution Music Enhancer
Adaptive DRC (Dynamic Range Control)
Initial Volume & Maximum Volume Setting
THX Processing Mode
Audyssey Dynamic EQ
Audyssey Dynamic Volume
Audyssey LFC
Audyssey Sub EQ HT
Audyssey DSX
Phase-Matching Bass Boost	for Deep Bass and Clear Mid-Range
Direct Mode
Pure Audio Mode
Pure Direct Analog Path Mode
Straight Decoding Mode
Pure Direct Mode
CINEMA DSP
DSP Programs		17
SILENT CINEMA / Virtual CINEMA DSP
Virtual Speakers	T-D (Theater-Dimensional)
Independent Subwoofer Outputs

CALIBRATION	Onkyo TX-NR636	Yamaha RX-V4A
Auto Speaker Calibration System with Mic.	AccuEQ	YPAO sound optimization
YPAO Volume

VIDEO FEATURES	Onkyo TX-NR636	Yamaha RX-V4A
HDR10
HDR10+
Dynamic HDR
BT.2020 color space
Dolby Vision
HLG (Hybrid Log Gamma)
HDMI Version		2.1
HDBaseT Compatible
Enhanced Audio Return Channel (eARC)
HDCP Version	2.2	2.3
QMS (Quick Media Switching)
ALLM (Auto Low Latency Mode)
VRR (Variable Refresh Rate)
QFT (Quick Frame transport)
3-D Ready
Video Signal Passthrough	up to 4K/60p (YCbCr 4:2:0)	up to 8K 50/60Hz and 4K 100/120Hz 4:4:4
Video Signal Upscaling	up to 4K/30p (Marvell Qdeo)	up to 4K 60p 4:4:4
Analog To HDMI Upconversion	Component**, Composite
Component Video Upscaling
Analog to Analog Video conversion
Component Video Maximum Resolution	1080p
isf Certified Calibration Control

CONNECTIVITY	Onkyo TX-NR636	Yamaha RX-V4A
Wi-Fi
Bluetooth		SBC, AAC
Works with Amazon Alexa
Google Assistant
Chromecast Built-In
Works with SonoS
DTS Play-Fi
MHL Input	Front HDMI
DLNA 1.5
MusicCast
AirPlay	AirPlay via optional Onkyo RI Dock DS-A5 (sold separately)	AirPlay 2
Apple Product Connection	iPod and iPhone via optional Onkyo RI Dock DS-A5 (sold separately)	iPod, iPhone and iPad
Remote App	Onkyo Remote App for iPod touch/iPhone and Android-Powered Devices	(iPhone^® / iPad^® / Android™ phone / tablet)
InstaPrevue Input Source Prevue

TERMINALS	Onkyo TX-NR636	Yamaha RX-V4A
HDMI Inputs	7 (1 front)	4
HDMI Outputs	2 (simultaneous)	1
8K Inputs		4
USB Input	1 (Front)	USB memory, Portable Audio Player
USB DC Out Port
Optical Inputs	1	1
Optical Outputs
Coaxial Inputs	2	1
RCA Line Inputs	6	3
RCA Line Outputs
XLR Line Inputs
Phono Input
Multi-Channel Input
RCA Pre-Outs	0.2	0.2
XLR Pre-outs
Composite Video Inputs	3
Composite Video Outputs	1
S-Video Inputs
S-Video Outputs
Component Video Inputs	1
Component Video Outputs	1
Ethernet
Ethernet Switch
PC In
Front A/V Inputs	HDMI/MHL, USB	USB
Speaker A/B
Headphone Out	6.3 mm (1/4")	6.3 mm (1/4")
Detachable Power Cord
uport
dockport

ZONES	Onkyo TX-NR636	Yamaha RX-V4A
Number of Zones	2	1
Powered Zones	2
Zone 2 Outs	RCA Line Out
Zone B Video Output
Whole House Mode
RS-232C Interface
+12V Trigger Output	0
Remote (IR) Input/Output	0 / 0	0 / 0
Party Mode

MISCELLANEOUS	Onkyo TX-NR636	Yamaha RX-V4A
On-Screen Display	Advanced "Home" GUI	Graphical User Interface
SCENE		SCENE (4 sets)
Web Control
PreAmp Mode
ONKYO-RI System Control
RIHD (Remote Interactive Over HDMI)
Pre-Pro/Learning Remote	/
On Screen Remote Programming
Bi-directional Remote Setup via GUI
Activity Based Remote
Smart Grid-Ready

RADIO	Onkyo TX-NR636	Yamaha RX-V4A
Analog Tuner	FM/AM with RDS	FM/AM
Presets	40	40
Digital Radio
Internet Radio	TuneIn
Pandora
Spotify
Tidal
Deezer
Napster
SiriusXM

CONSTRUCTION	Onkyo TX-NR636	Yamaha RX-V4A
Solid Aluminum Front
A.R.T. Wedge
Speaker Terminals	9	5
Large Speaker Terminals	9	5
Color-Coded Speaker Terminals
Transparent High-Grade Speaker Terminals
Gold plated RCA terminals

POWER	Onkyo TX-NR636	Yamaha RX-V4A
Power Supply	AC 220-240 V, 50/60 Hz	AC 220 V, 50 Hz
Independent Power Supply	2
H.C.P.S. (High Current Power Supply)	Massive High Power Transformer
Toroidal Transformer
Power Consumption	630 W	260 W
No Sound Power	80 W
Standby Power	0.2 W	0.1 W
Capacitor Bank	8,200 µF
ECO Mode / Hybrid Standby Function
Auto Power Standby

PHYSICAL	Onkyo TX-NR636	Yamaha RX-V4A
Dimensions (W x H x D)	435 mm x 173.5 mm x 329 mm 17-1/8" x 6-13/16" x 12-15/16"	435 mm x 171 mm x 377 mm (with antenna: 435 mm x 245 mm x 377 mm) 17-1/8" x 6-3/4" x 14-7/8" (with antenna up: 17-1/8" x 9-5/8" x 14-7/8")
Weight	10.5 kg (23.1 lbs)	8.8 kg (19.4 lbs)

SPECIFICATIONS	Onkyo TX-NR636	Yamaha RX-V4A
Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)	95 W (0.08% THD)
Power Output (6 Ω, 20 Hz - 20 kHz, 2 channel driven)		80 W (0.06% THD)
Power Output (6 Ω, 20 Hz - 20 kHz, 1 channel driven, JEITA)	130 W (0.08% THD)
Power Output (6 Ω, 1 kHz, 2 channel driven, FTC)	115 W (0.7% THD)
Power Output (6 Ω, 1 kHz, 1 channel driven, FTC)		115 W (0.9% THD)
Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)	175 W	145 W (10% THD)
Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)	160 W (1% THD)
Dynamic Power per Channel (3 Ω, Front)	240 W
Dynamic Power per Channel (4 Ω, Front)	210 W
Dynamic Power per Channel (8 Ω, Front)	120 W
THD	0.08% (20 Hz - 20 kHz, Half power)	0.04% (AUDIO 3 etc. to Front, Pure Direct, 20 Hz - 20 kHz, 40 W, 6 Ω)
Damping Factor	60 (Front, 1 kHz, 8 Ω)	100 (Front, 1 kHz, 8 Ω)
Input Sensitivity and Impedance (Line)	200 mV/47 kΩ (Line)	200 mV/47 kΩ
Input Sensitivity and Impedance (Phono MM)	2.5 mV/47 kΩ
Maximum Input Sensitivity (Line)		2.4 V (1 kHz, 0.5% THD)
Rated Preout Level and Impedance		1.0 V/470Ω (Subwoofer)
Rated Lineout Level and Impedance	200 mV/2.2 kΩ
Maximum Lineout Level and Impedance	2 V/2.2 kΩ
Phono Overload	70 mV (MM, 1kHz, 0.5% Direct)
S/N Ratio (Line, IHF-A)	106 dB	110 dB
S/N Ratio (Phono MM, IHF-A)	80 dB
Frequency Response (Analog In)	5 Hz - 100 kHz/+1 dB, -3 dB (Direct Mode)	+0/-3 dB (AUDIO 3 etc. to Front, Pure Direct, 10 Hz to 100 kHz)
Residual noise (IHF-A Network)		150 µV (Speaker Out)
Channel Separation at 1 kHz/10 kHz (LINE)		70 dB/50 dB
DSD Sampling Rates via HDMI	2.8 MHz, 5.6 MHz	2.8 MHz
DSD Sampling Rates via USB	2.8 MHz	11.2 MHz, 5.6 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)
Video Frequency Response	5 Hz - 100 MHz/+0 dB, -3 dB (Component)
Ethernet Standard	10BASE-T/100BASE-TX	10BASE-T/100BASE-TX
Wi-Fi Standard	IEEE 802.11 b/g/n	IEEE 802.11 a/b/g/n/ac
Wi-Fi Terminal Frequency	2.4 GHz	2.4 GHz, 5 GHz
Bluetooth Version	2․1 + EDR	4․2
Bluetooth Frequency	2.4 GHz	2.4 GHz
USB Terminal		USB2.0 5 V, 1 A
FM Frequency	87.5 MHz - 108.0 MHz	87.50 MHz - 108.00 MHz
FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.)		Mono: 3 µV (20.8 dBf)
FM S/N Ratio		Mono/Stereo: 69 dB/68 dB
FM Harmonic Distortion (IHF, 1 kHz)		Mono/Stereo: 0.5%/0.6%
AM Frequency	522/530 kHz - 1611/1710 kHz	531 kHz - 1611 kHz
Warranty	2 Years	2 Years

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

Onkyo TX-NR636 vs Yamaha RX-V4A

Onkyo TX-NR636

Yamaha RX-V4A

Highlights

Highlights

1. Overview

Onkyo TX-NR636

Yamaha RX-V4A

2. Pros and Cons

PROS

Onkyo TX-NR636

Yamaha RX-V4A

CONS

Onkyo TX-NR636

Yamaha RX-V4A

AVERAGE

Onkyo TX-NR636

Yamaha RX-V4A

3. Advantage of Onkyo TX-NR636

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4. Advantage of Yamaha RX-V4A

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5. Common Strengths and Weaknesses

6. Amplifier

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7. Speaker Configurations

8. Immersive Audio Formats

Dolby Atmos

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9. HDMI

HDR (High Dynamic Range)

Enhanced Audio Return Channel (eARC)

Gaming Features

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10. Inputs and Outputs

Audio

Video

Front A/V Inputs

Onkyo TX-NR636

Yamaha RX-V4A

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11. Evaluations

Onkyo TX-NR636

Yamaha RX-V4A

Amplifier

Audio Features

Video Features

Connectivity

Zones

Radio

12. Specifications

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