Sony STR-DH790 vs Yamaha RX-A870

GENERAL	Sony STR-DH790	Yamaha RX-A870
Brand	Sony	Yamaha
Series		Aventage
Model	STR-DH790	RX-A870
Type	A/V Receiver	A/V Receiver
Country	Oceania	USA and Canada
Release Year	2018	2017
Predecessor	Sony STR-DH770	Yamaha RX-A860
Successor		Yamaha RX-A880

AMPLIFIER	Sony STR-DH790	Yamaha RX-A870
Channels	7.2	7.2
Power Output	90 W (6 Ω, 20 Hz - 20 kHz, 2 channel driven)	100 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

AUDIO FEATURES	Sony STR-DH790	Yamaha RX-A870
Surround:AI™
DAC		Burr-Brown
DAC Specs		192 kHz/24 Bit
Maximum Channel Processing	7.1	7.1
Air Studios Monitor Certification
Dolby Atmos	up to 5.1.2 or 7.1	up to 5.1.2
Dolby Atmos Height Virtualization
Dolby Atmos Music
Dolby TrueHD
Dolby Digital Plus
Dolby Surround Upmixer
Dolby Pro Logic
Dolby Digital EX
Surround EX
DTS:X	up to 5.1.2 or 7.1	up to 5.1.2
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	Discrete 6.1, Matrix 6.1	Discrete 6.1, Matrix 6.1
IMAX Enhanced
Auro 3D with Auro-Matic Upmixer
360 Reality Audio
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		MP3, WMA, AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
High Resolution Music Playback via USB and/or Network		up to 192 kHz
High Resolution Audio Formats via USB		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
DSD to PCM Converter
USB DAC
DTS Dialogue Control
Dialog Level Adjustment
Dialog normalization
Dialogue Lift		no presence speakers required
Digital Legato Linear
In-Ceiling Speaker Mode
OP Processing
Sound Optimizer
Tone Control	All Channels
Compressed Music Enhancer		including enhancer for Bluetooth®
High-resolution Music Enhancer
Adaptive DRC (Dynamic Range Control)
Initial Volume & Maximum Volume Setting
Audyssey Dynamic EQ
Audyssey Dynamic Volume
Audyssey LFC
Audyssey Sub EQ HT
Audyssey DSX
Direct Mode
Straight Decoding Mode
Pure Direct Mode		with Video On mode
CINEMA DSP		3D
DSP Programs		17
SILENT CINEMA / Virtual CINEMA DSP		Virtual CINEMA FRONT
Virtual Speakers		including surround back
Independent Subwoofer Outputs

CALIBRATION	Sony STR-DH790	Yamaha RX-A870
Auto Speaker Calibration System with Mic.	Advanced D.C.A.C.	YPAO sound optimization (R.S.C. with Multipoint measurement)
Calibration Microphone	Mono
Speaker Relocation
Automatic Phase Matching
YPAO Volume
PEQ for SUB		Down to 15.6 Hz

VIDEO FEATURES	Sony STR-DH790	Yamaha RX-A870
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 (YCbCr4:4:4)	up to 4K/60p 4:4:4
Video Signal Upscaling		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		480i/576i
Video Parameter Adjustments
isf Certified Calibration Control

CONNECTIVITY	Sony STR-DH790	Yamaha RX-A870
Wi-Fi		with Wireless Direct
Bluetooth	SBC, AAC	SBC, AAC
Works with Amazon Alexa		on MusicCast (Voice control using your Alexa device like Echo or Echo Dot)
Chromecast Built-In
Works with SonoS
DTS Play-Fi
MHL Input
DLNA 1.5
Music Connect
MusicCast
Remote Monitoring with ihiji
AirPlay		AirPlay
Apple Product Connection		iPod, iPhone and iPad
Remote App		(iPhone® / iPad® / Android™ phone / tablet)
InstaPrevue Input Source Prevue

TERMINALS	Sony STR-DH790	Yamaha RX-A870
HDMI Inputs	4	8 (1 front)
HDMI Outputs	1	2
8K Inputs
USB Input	1 Rear for Firmware Update and power Supply	USB memory, portable audio player
USB DC Out Port
Optical Inputs	1	2
Optical Outputs
Coaxial Inputs	1	2
RCA Line Inputs	4	4 (1 front)
RCA Line Outputs
XLR Line Inputs
Phono Input
Multi-Channel Input
RCA Pre-Outs	0.2	7.2
XLR Pre-outs
Composite Video Inputs		1
Composite Video Outputs
S-Video Inputs
S-Video Outputs
Component Video Inputs		1
Component Video Outputs
Ethernet
Ethernet Switch
PC In
Front A/V Inputs		HDMI, USB, mini-jack Audio
Speaker A/B
Headphone Out	6.3 mm (1/4")	6.3 mm (1/4")
Detachable Power Cord
dockport

ZONES	Sony STR-DH790	Yamaha RX-A870
Number of Zones	1	2
Powered Zones		Zone 2
Zone 2 Outs		RCA Preout
Zone B Video Output		HDMI
Zone GUI
RS-232C Interface
+12V Trigger Output		1
Remote (IR) Input/Output	0 / 0	1 / 1
Party Mode

MISCELLANEOUS	Sony STR-DH790	Yamaha RX-A870
On-Screen Display	Graphical User Interface (Only through HDMI)	Graphical User Interface
SCENE		SCENE (4 sets)
Web Control
PreAmp Mode

RADIO	Sony STR-DH790	Yamaha RX-A870
Analog Tuner	FM	FM/AM
Presets	30	40
Digital Radio
Internet Radio
Pandora
Spotify
Tidal
Deezer
Napster
SiriusXM

CONSTRUCTION	Sony STR-DH790	Yamaha RX-A870
A.R.T. Wedge
Speaker Terminals	7	9
Large Speaker Terminals	2	9
Color-Coded Speaker Terminals
Gold plated RCA terminals

POWER	Sony STR-DH790	Yamaha RX-A870
Power Supply	AC 230 V, 50 Hz	AC 120 V, 60 Hz
Power Consumption	240 W	400 W
Standby Power	0.3 W	0.1 W
ECO Mode / Hybrid Standby Function
Auto Power Standby

PHYSICAL	Sony STR-DH790	Yamaha RX-A870
Dimensions (W x H x D)	430 mm x 133 mm x 297 mm 17" x 5-1/4" x 11-3/4"	435 mm x 171 mm x 380 mm (with antenna: 435 mm x 234 mm x 380 mm)
Weight	7.4 kg (16 lbs. 6 oz.)	10.5 kg (23.1 lbs)

SPECIFICATIONS	Sony STR-DH790	Yamaha RX-A870
Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)		100 W (0.06% THD)
Power Output (8 Ω, 1 kHz, 2 channel Driven, FTC)		110 W (0.9% THD)
Rated Power Output (8 Ω, 1 kHz, 1 channel Driven)		130 W (0.9% THD)
Maximum Effective Output Power (8 Ω, 1 kHz, 1 channel Driven, JEITA)		160 W (10% THD)
Power Output (6 Ω, 20 Hz - 20 kHz, 2 channel driven)	90 W (0.09% THD)
Power Output (6 Ω, 1 kHz, 2 channel driven, FTC)	105 W (0.9% THD)
Power Output (6 Ω, 1 kHz, 1 channel driven, FTC)	145 W (0.9% THD)
Dynamic Power per Channel (2 Ω, Front)		240 W
Dynamic Power per Channel (4 Ω, Front)		195 W
Dynamic Power per Channel (6 Ω, Front)		170 W
Dynamic Power per Channel (8 Ω, Front)		130 W
THD		0.06% (AV 2 etc. to Front, Pure Direct, 20 Hz - 20 kHz, 50 W, 8 Ω)
THD (Phono)		0.02% (Phono to SPEAKER OUT (Front), 20 Hz - 20 kHz, 1 V)
Damping Factor		100 (Front, 20 Hz - 20 kHz, 8 Ω)
Input Sensitivity and Impedance (Line)	500 mV/50 kΩ	200 mV/47 kΩ
Input Sensitivity and Impedance (Phono MM)		3.5 mV/47 kΩ
Maximum Input Sensitivity (Line)		2.3 V (1 kHz, 0.5% THD)
Maximum Input Sensitivity (Phono)		60 mV (1 kHz, 0.1% THD)
Rated Preout Level and Impedance	2 V/1 kΩ (Subwoofer)	1.0 V/2.7 kΩ (Front)
Maximum Preout Level and Impedance		1.6 V
Rated Headphone Jack Output Level and Impedance		100 mV/560 Ω (1 kHz, 50 mV, 8 Ω)
S/N Ratio (Line, IHF-A)	105 dB (500 mV)	110 dB
S/N Ratio (Phono MM, IHF-A)		95 dB
S/N Ratio (digital)	100 dB (20 kHz LPF)
Phono RIAA Deviation		±0.5 dB (20 Hz - 20 kHz)
Frequency Response (Analog In)	10 Hz - 100 kHz/+0.5 dB, -2 dB	+0/-3 dB (AV 2 etc. to Front, 10 Hz to 100 kHz)
Residual noise (IHF-A Network)		150 µV (Speaker Out)
Channel Separation at 1 kHz/10 kHz (LINE)		75 dB/50 dB
Channel Separation at 1 kHz/10 kHz (Phono)		60 dB/55 dB
DSD Sampling Rates via HDMI	2.8 MHz	2.8 MHz
DSD Sampling Rates via USB		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 Maximum Input		1.5 Vp-p
Ethernet Standard		10BASE-T/100BASE-TX
Wi-Fi Standard		IEEE 802.11 b/g/n
Wi-Fi Terminal Frequency		2.4 GHz
Bluetooth Version	4․2	2․1 + EDR
Bluetooth Frequency	2.4 GHz	2.4 GHz
USB Terminal	Type A, Ver. 2.0, 5 V, 1 A	USB2.0 5 V, 1 A
FM Frequency	87.5 MHz - 108.0 MHz	87.5 MHz - 107.9 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/67 dB
FM Harmonic Distortion (IHF, 1 kHz)		Mono/Stereo: 0.5%/0.6%
AM Frequency		530 kHz - 1710 kHz
Warranty	2 Years	3 Years

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

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