Onkyo TX-RZ730 vs Pioneer VSX-831

GENERAL	Onkyo TX-RZ730	Pioneer VSX-831
Brand	Onkyo	Pioneer
Model	TX-RZ730	VSX-831
Type	A/V Receiver	A/V Receiver
Country	Europe	Australia
Release Year	2018	2017
Predecessor	Onkyo TX-RZ720	Pioneer VSX-830-K
Successor	Onkyo TX-RZ740	Pioneer VSX-832

AMPLIFIER	Onkyo TX-RZ730	Pioneer VSX-831
Channels	9.2	5.2
Power Output	100 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 Design		Discrete Direct Energy
Dynamic Audio Amplification
Non-Phase Shift Amplifier
VLSC (Vector Linear Shaping Circuitry)	Front L/R Channels
THX™ Certification	Select™ (previously known as Select2)
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-RZ730	Pioneer VSX-831
Digital Signal Processing (DSP) Engine	32-bit Digital Signal Processing Engines	Cirrus Logic (Quad Core) x 1
DAC	AKM AK4458	AKM AK4458
DAC Specs	384 kHz/32 Bit	384 kHz/32 Bit
Maximum Channel Processing	11.1	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
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 Formats	FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, MPEG-4 AAC, LPCM
Music Playback via USB	FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHD	MP3, 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 USB	FLAC, WAV, Apple Lossless, DSD, AIFF, AAC, Dolby TrueHD	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
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	All 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
Direct Mode
Pure Audio Mode
Pure Direct Analog Path Mode
Pure Direct Mode
Auto Surround
Optimum Surround
Advanced Surround		12
Wide Surround
Front Stage Surround Advance
Headphone Surround
Virtual Speakers	T-D (Theater-Dimensional)
Virtual Depth
Independent Subwoofer Outputs

CALIBRATION	Onkyo TX-RZ730	Pioneer VSX-831
Auto Speaker Calibration System with Mic.	AccuEQ Advance with AccuReflex™	MCACC
Manual MCACC
MCACC Memory		1
Phase Control
Auto Phase Control Plus
Full Band Phase Control
Standing Wave Control
EQ Bands		9-Band
Symmetric EQ
X-Curve
Distance Adjustment		0.1 feet
Precision Distance
Polarity Check
Auto Subwoofer Crossover

VIDEO FEATURES	Onkyo TX-RZ730	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 Version	2.2	2.2
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 (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 Resolution	480i/576i
Stream Smoother
Pure Cinema
Video Parameter Adjustments
Triple HD noise Reduction
Super Resolution
isf Certified Calibration Control

CONNECTIVITY	Onkyo TX-RZ730	Pioneer VSX-831
Wi-Fi
Bluetooth	SBC, AAC
Works with Amazon Alexa
Chromecast Built-In
Works with SonoS	requires firmware update & Sonos Connect
DTS Play-Fi	via Onkyo Music Control app
MHL Input
DLNA 1.5
AirPlay	AirPlay 2 after firmware update	AirPlay
Apple Product Connection	iPod, iPhone and iPad	iPod, iPhone and iPad (Airplay only)
Remote App	Onkyo Onkyo Controller and Music Control apps	iControlAV5 (for iOS and Android)
InstaPrevue Input Source Prevue

TERMINALS	Onkyo TX-RZ730	Pioneer VSX-831
HDMI Inputs	7 (1 front)	6
HDMI Outputs	2 (1 Main, 1 Sub/Zone2)	1
8K Inputs
USB Input	1 (Rear)	1 Front
USB DC Out Port
Optical Inputs	2	1
Optical Outputs
Coaxial Inputs	1	1
RCA Line Inputs	6	3 (1 front)
RCA Line Outputs
XLR Line Inputs
Phono Input
Multi-Channel Input
RCA Pre-Outs	11.2	0.2
XLR Pre-outs
Composite Video Inputs	2	2
Composite Video Outputs
S-Video Inputs
S-Video Outputs
Component Video Inputs	2
Component Video Outputs
Ethernet
Ethernet Switch
PC In
Front A/V Inputs	HDMI, Mini-Jack	USB, Mini-Jack
Speaker A/B
Headphone Out	6.3 mm (1/4")	6.3 mm (1/4")
Detachable Power Cord
uport
adapterport

ZONES	Onkyo TX-RZ730	Pioneer VSX-831
Number of Zones	3	1
Powered Zones	2 and 3
Zone 2 Outs	HDMI, RCA Pre/Line Out
Zone 3 Outs	RCA Pre/Line Out
Whole House Mode
RS-232C Interface
+12V Trigger Output	1 (MAIN, 100 mA)
Remote (IR) Input/Output	1 / 0	0 / 0

MISCELLANEOUS	Onkyo TX-RZ730	Pioneer VSX-831
On-Screen Display	Graphical User Interface with Overlaid On-Screen Display (OSD) via HDMI	Icon-based Graphical User Interface (GUI)
GUI Languages	9
AV Navigator
IP Control
PreAmp Mode
Versatile Speaker Configuration
FL Dimmer
Function Rename
ONKYO-RI System Control
RIHD (Remote Interactive Over HDMI)
Smart Grid-Ready

RADIO	Onkyo TX-RZ730	Pioneer VSX-831
Analog Tuner	FM/AM with RDS	FM/AM with RDS
Presets	40	40
Digital Radio
Internet Radio	TuneIn	TuneIn
Pandora
Spotify
Tidal
Deezer
Napster
SiriusXM

CONSTRUCTION	Onkyo TX-RZ730	Pioneer VSX-831
Front Panel		Brushed
Solid Aluminum Front
Speaker Terminals	11	5
Large Speaker Terminals	11	5
Color-Coded Speaker Terminals
Transparent High-Grade Speaker Terminals
3D Space Frame Construction
Gold plated RCA terminals

POWER	Onkyo TX-RZ730	Pioneer VSX-831
Power Supply	AC 220-240 V, 50/60 Hz	AC 220-240 V, 50/60 Hz
H.C.P.S. (High Current Power Supply)	Customized Transformer
Toroidal Transformer
Low Leakage Flux Power Transformer
Transformer Stabilizer
Power Consumption	760 W	390 W
No Sound Power		45 W
Standby Power	0.15 W	0.15 W
ECO Mode / Hybrid Standby Function
Auto Power off

PHYSICAL	Onkyo TX-RZ730	Pioneer VSX-831
Dimensions (W x H x D)	435 mm x 177 mm x 379.5 mm 17-1/8" x 6-15/16" x 14-15/16"	435 mm x 173 mm x 370.5 mm 17-1/8" x 6-13/16" x 14-9/16"
Weight	10.8 kg (23.8 lbs)	9.2 kg (20.3 lbs)

SPECIFICATIONS	Onkyo TX-RZ730	Pioneer VSX-831
Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)		80 W (0.08% THD)
Power Output (6 Ω, 1 kHz, 1 channel driven, FTC)		140 W (1% THD)
Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)		160 W (10% THD)
Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)	175 W (1% THD)	130 W (1% THD)
Dynamic Power per Channel (3 Ω, Front)	250 W	160 W
Dynamic Power per Channel (4 Ω, Front)	220 W	125 W
Dynamic Power per Channel (8 Ω, Front)	130 W	85 W
THD	0.08% (20 Hz - 20 kHz, Half power)
Input Sensitivity and Impedance (Line)	200 mV/47 kΩ	200 mV/47 kΩ
Input Sensitivity and Impedance (Phono MM)	3.5 mV/47 kΩ	3.5 mV/47 kΩ
Rated Preout Level and Impedance	1 V/470 Ω
Rated Headphone Jack Output Level and Impedance		330 Ω
Rated Headphone Power Output	85 mW (32 Ω, 1 kHz, 10% THD)	85 mW (32 Ω, 1 kHz, 10% THD)
Phono Overload	70 mV (MM, 1 kHz 0.5%)	70 mV (MM, 1 kHz, 0.5%)
S/N Ratio (Line, IHF-A)	106 dB	106 dB
S/N Ratio (Phono MM, IHF-A)	80 dB	80 dB
Frequency Response (Analog In)	5 Hz - 100 kHz/+1 dB, -3 dB (Direct/Pure Audio)	10 Hz - 100 kHz/+1 dB, -3 dB (Pure Direct)
DSD Sampling Rates via HDMI	2.8 MHz	2.8 MHz
DSD Sampling Rates via USB	2.8 MHz, 5.6 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)	1 Vp-p/75 Ω (Composite)
Ethernet Standard	10BASE-T/100BASE-TX	10BASE-T/100BASE-TX
Wi-Fi Standard	IEEE 802.11 a/b/g/n	IEEE 802.11 a/b/g/n
Wi-Fi Terminal Frequency	5 GHz, 2.4 GHz	Dual band 2.4 GHz, 5 GHz
Bluetooth Version	4․1 + LE	4․1 + LE
Bluetooth Frequency	2.4 GHz	2.4 GHz
HDMI Terminal		Type A (19-pin)
HDMI Output Type		5 V, 55 mA
USB Terminal	Ver. 2.0, 5 V, 1 A	USB2.0 (Type A) 5 V, 1 A
FM Frequency	87.5 MHz - 108.0 MHz	87.5 MHz - 108.0 MHz
FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.)	Mono: 1.56 µV (15.0 dBf)
AM Frequency	522/530 kHz - 1611/1710 kHz	522/530 kHz - 1611/1710 kHz
Warranty	3 Years	1 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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