Yamaha RX-A840 vs Yamaha RX-A830 Detailed Comparison
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SCORE:
82
SCORE:
81

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Overview

Here we are comparing Yamaha Aventage RX-A840 to Yamaha Aventage RX-A830 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. Both receivers have 7 channel and equally powerful amplifiers.

Let us have a look at some highlights of the models.

Yamaha Aventage RX-A840 Highlights

Yamaha Aventage RX-A830 Highlights

  • 7.2 channels
  • 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
  • 4K Upscaling, 4K Passthrough
  • MHL, AirPlay, DLNA
  • Ethernet, Wi-Fi, Bluetooth
  • USB and Phono inputs
  • 7.2 channels
  • 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
  • 4K Upscaling, 4K Passthrough
  • MHL, AirPlay, DLNA
  • Ethernet, Wi-Fi, Bluetooth
  • USB and Phono inputs

We have evaluated both receivers. Yamaha Aventage RX-A840 gets higher overall score in our ranking system which is based on the amplifier specifications, audio and video features, connectivity, multizone capabilities, radio and many other details.

Yamaha Aventage RX-A840

Yamaha Aventage RX-A830

AMPLIFIER
90
VIDEO FEATURES
79
AUDIO FEATURES
72
CONNECTIVITY
87
MULTIZONE
81
MISCELLANEOUS
71
RADIO
89
OVERALL
82
AMPLIFIER
90
VIDEO FEATURES
76
AUDIO FEATURES
72
CONNECTIVITY
86
MULTIZONE
81
MISCELLANEOUS
71
RADIO
87
OVERALL
81

Amplifier score is based on power ratings, minimum impedance load, power supply, transformer type, total harmonic distortion, damping factor, signal to noise ratio and other small details. Audio score depends on the number of channels, front wide channel support, maximum channel processing, support of audio formats, DAC specifications, room calibration algorithm... Video score is based on HDR, Dolby Vision and 4K passthrough, upscaling, analog to HDMI upconversion. Connectivity score is defined from all wired and wireless inputs and outputs, internet and bluetooth connections, HEOS, SONOS and others. Multizone score depends on the number of zones with their outputs. Radio score is evaluated form digital radio support and analog tuner with its frequency range, signal to noise ratio, harmonic distortion...

Advantage of Yamaha Aventage RX-A840

This section shows those features and specifications which are the reason to choose Yamaha Aventage RX-A840 over Yamaha Aventage RX-A830.

Yamaha Aventage RX-A840 has higher signal to noise ratio. It supports gapless playback.

Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
Music Playback via USB MP3, WMA, AAC, Apple Lossless, WAV, FLAC MP3, WMA, AAC, WAV, FLAC
High Resolution Audio Formats via USB Apple Lossless, WAV, FLAC WAV, FLAC
Gapless Playback
YPAO Volume
Video Signal Passthrough up to 4K/60p (YCbCr 4:4:4) up to 4K/30p
Video Signal Upscaling up to 4K/60p (YCbCr 4:4:4) up to 4K/30p
Wi-Fi with Wireless Direct via optional YWA-10 adapter (sold separately)
Higher Maximum Effective Output Power (8 Ω, 1 kHz, 1 channel Driven, JEITA) 165 W (10% THD) 160 W (10% THD)
Higher S/N Ratio (Line, IHF-A) 110 dB 100 dB
Higher S/N Ratio (Phono MM, IHF-A) 96 dB 81 dB
Better Channel Separation at 1 kHz/10 kHz (LINE) 75 dB/50 dB 60 dB/45 dB
Higher FM S/N Ratio Mono/Stereo: 71 dB/ 70 dB Mono/Stereo: 71 dB/69 dB

Advantage of Yamaha Aventage RX-A830

This section shows those features and specifications which are the reason to choose Yamaha Aventage RX-A840 over Yamaha Aventage RX-A830.

Yamaha Aventage RX-A840 has higher signal to noise ratio. It supports gapless playback.

Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
Component Video Maximum Resolution 1080i 1080p
Higher Dynamic Power per Channel, 2 Ω, Front) 240 W 250 W
Higher Dynamic Power per Channel, 4 Ω, Front) 195 W 210 W
Higher Dynamic Power per Channel, 6 Ω, Front) 170 W 180 W
Higher Dynamic Power per Channel, 8 Ω, Front) 130 W 140 W
Lower FM Harmonic Distortion (IHF, 1 kHz) Mono/Stereo: 0.5%/0.6% Mono/Stereo: 0.3%/0.5%

Common Strengths and Weaknesses

Here we list common strengths and weaknesses of both receivers.

STRENGTHS
Certified 4 Ω Performance 👍
Bi-amp Capability 👍
Dolby TrueHD 👍
Dolby Digital Plus 👍
Dolby Pro Logic 👍
Dolby Digital EX 👍
DTS Neo 👍
DTS-HD Master Audio 👍
DTS-HD High Resolution Audio 👍
DTS 96/24 👍
DTS Express 👍
DTS-ES 👍
High Resolution Music Playback via USB and/or Network 👍
DSD via HDMI 👍
Dialog Level Adjustment 👍
Dialog Normalization 👍
Dialogue Lift 👍
Compressed Music Enhancer 👍
Adaptive DRC (Dynamic Range Control) 👍
Auto Speaker Calibration System with Mic. 👍
3-D Ready 👍
4K or 8K Video Passthrough 👍
4K or 8K Signal Upscaling 👍
Analog To HDMI Upconversion 👍
MHL Input 👍
DLNA 1.5 👍
Ethernet 👍
Wi-Fi 👍
Bluetooth 👍
New HDCP Version 👍
Many HDMI Inputs 👍
USB Input 👍
Phono Input 👍
Composite Video Inputs 👍
Composite Video Outputs 👍
Component Video Inputs 👍
Component Video Outputs 👍
Analog Pre-Outs 👍
Zones 👍
Detachable Power Cord 👍
Analog Tuner 👍
Spotify 👍
SiriusXM Internet Radio 👍
WEAKNESSES
No Front Wide Channel Support 👎
No Dolby Atmos 👎
No Dolby Atmos Height Virtualization 👎
No Dolby Surround Upmixer 👎
No DTS:X 👎
No DTS Neural:X 👎
No DTS Virtual:X 👎
No IMAX Enhanced 👎
No Auro 3D with Auro-Matic Upmixer 👎
No DTS Dialog Control 👎
No High-resolution Music Enhancer 👎
No HDR10 👎
No HDR10+ 👎
No BT.2020 color space 👎
No Dolby Vision 👎
No Hybrid Log Gamma (HLG) 👎
No Chromecast Built-In 👎
Does not Work with Amazon Alexa 👎
Does Not Work with SONOS 👎
No eARC 👎
No Multi-Channel Input 👎
No Pandora 👎
No Tidal 👎
No Deezer 👎

Selected Features

Amplifier

Yamaha Aventage RX-A840 and Yamaha Aventage RX-A830 have 7 channel amplifiers. They both deliver 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) and have stable performance at 4 Ω load.


Video Features

Yamaha Aventage RX-A840 supports 4K passthrough up to 60p and Yamaha Aventage RX-A830 supports 4K passthrough up to 30p. Yamaha Aventage RX-A840 can do 4K upscaling up to 60p and Yamaha Aventage RX-A830 can do 4K upscaling up to 30p.


Adaptive DRC

Yamaha Aventage RX-A840 and Yamaha Aventage RX-A830 feature Adaptive DRC (Dynamic Range Control) which automatically adjusts the dynamic range of the sound according to the volume level. This ensures that you hear clear dialog and vocals, and all sound effects at comfortable levels. There is no need to adjust the volume level as you listen; everything from whispers to big explosions will be heard clearly and comfortably at the same volume setting. It also tones down loud TV commercials, and is ideal for low-volume, late-night listening, when you do not want to disturb others.


Connectivity


Yamaha Aventage RX-A840

Yamaha Aventage RX-A840 can be connected to internet using ethernet cable or built-in wi-fi adapter. It can also connect to bluetooth devices[y] via optional YBA-11 adapter (sold separately). The Receiver supports[y] AirPlay. It has 8 HDMI inputs with HDCP 2.2 copy protection. There is a phono input with built-in phono stage for connecting the cartridge output of the turntable directly to the Receiver. There are 7.2 channel analog pre-outs for external amplification.

Front panel has HDMI (MHL support), USB, analog audio and composite inputs.

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Yamaha Aventage RX-A830

Yamaha Aventage RX-A830 can be connected to internet using ethernet cable or wirelessly[y] via optional YWA-10 adapter (sold separately). It can also connect to bluetooth devices[y] via optional YBA-11 adapter (sold separately). The Receiver supports[y] AirPlay. It has 8 HDMI inputs with HDCP 2.2 copy protection. There is a phono input with built-in phono stage for connecting the cartridge output of the turntable directly to the Receiver. There are 7.2 channel analog pre-outs for external amplification.

Front panel has HDMI (MHL support), USB, analog audio and composite inputs.

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Detailed Specifications

And in the end let us list the detailed specifications of the receivers side-by-side.

Note: The following table shows only those details which are applicable for both models and excludes the ones that are applicable for only one model. If you want to see a full list of specs for each model please visit their individual pages here - Yamaha Aventage RX-A840 and here - Yamaha Aventage RX-A830.

BASICS Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
BrandYamahaYamaha
SeriesAventageAventage
ModelRX-A840RX-A830
TypeA/V ReceiverA/V Receiver
CountryChinaChina
Release Year20142013
AMPLIFIER Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
Channels7.27.2
Front Wide Channel Support
THX™ Certification
Continuous 6 Ω Rated
Certified 4 Ω Performance
Bi-amp Capability
AUDIO Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
Surround:AI™
DACBurr-BrownBurr-Brown
Maximum Channel Processing7.17.1
Air Studios Monitor Certification
Dolby Atmos
Dolby Atmos Height Virtualization
Dolby TrueHD
Dolby Digital Plus
Dolby Surround Upmixer
Dolby Pro Logic PLIIx PLIIx
Dolby Digital 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 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
Music Playback via USBMP3, WMA, AAC, Apple Lossless, WAV, FLACMP3, WMA, AAC, WAV, FLAC
High Resolution Music Playback via USB and/or Network up to 192 kHz up to 192 kHz
High Resolution Audio Formats via USBApple Lossless, WAV, FLACWAV, FLAC
Multi-Channel Music File Playback via USB
Gapless Playback
DSD via HDMI 2-ch/Multi-ch Input 2-ch/Multi-ch Input
DSD to PCM Converter
USB DAC
Jitter Reduction Ultra low jitter PLL circuitry Ultra low jitter PLL circuitry
DTS Dialog Control
Dialog Level Adjustment
Dialog Normalization
Dialogue Lift no presence speakers required no presence speakers required
Compressed Music Enhancer
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
Straight Decoding Mode
Pure Direct Mode with Video On mode with Video On mode
CINEMA DSP 3D 3D
DSP Programs1717
SILENT CINEMA / Virtual CINEMA DSP / (AIR SURROUND XTREME)
Virtual Speakers
CALIBRATION Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
Auto Speaker Calibration System with Mic. YPAO sound optimization (R.S.C. with Multipoint measurement) YPAO sound optimization (R.S.C. with Multipoint measurement)
YPAO Volume
PEQ for SUBDown to 31 HzDown to 31 Hz
VIDEO Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
Video Signal TypePALPAL
Video Signal Format (Video Covnersion)NTSC/PALNTSC/PAL
HDR10
HDR10+
BT.2020 color space
Dolby Vision
Hybrid Log Gamma (HLG)
Quick Media Switching (QMS)
Auto Low Latency Mode Pass-through
Variable Refresh Rate (VRR)
Quick Frame Transport (QFT)
3-D Ready
Video Signal Passthroughup to 4K/60p (YCbCr 4:4:4)up to 4K/30p
Video Signal Upscaling up to 4K/60p (YCbCr 4:4:4) up to 4K/30p
Analog To HDMI Upconversion Component**, Composite Component****, S-Video, Composite
Component Video Upscaling
Analog to Analog Video conversion
Component Video Maximum Resolution1080i1080p
Video Parameter Adjustments
isf Certified Calibration Control
CONNECTIVITY Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
MHL Input
DLNA 1.5
FireConnect
FlareConnect
MusicCast
Chromecast Built-In
DTS Play-Fi
Works with Amazon Alexa
Works with SONOS
AirPlay AirPlay AirPlay
Apple Product Connection iPod, iPhone and iPad iPod, iPhone and iPad
Remote App (iPhone / iPad, Android™ phone / tablet, Kindle Fire™) (iPhone / iPad, Android™ phone / tablet, Kindle Fire™)
InstaPrevue Input Source Prevue
Ethernet
Ethernet Switch
Wi-Fi with Wireless Direct via optional YWA-10 adapter (sold separately)
Bluetooth via optional YBA-11 adapter (sold separately) via optional YBA-11 adapter (sold separately)
HDBaseT Compatible
Enhanced ARC
HDCP Version2.22.2
HDMI Input8 (1 front)8 (1 front)
HDMI Output22
USB InputiPod® / iPhone® / iPad®, USB memory, portable audio playeriPod® / iPhone® / iPad®, USB memory, portable audio player (MP3, WMA, AAC up to 48 kHz / 16-bit, FLAC / WAV up to 192 kHz / 24-bit)
USB DC Out Port (USB DC output 5 V / 0.5 amp) (USB DC output 5 V / 0.5 amp)
Analog Audio Line Input5 (1 front)5 (1 front)
Analog Audio Line Output11
Phono Input
Optical In22
Optical Out
Coaxial In/Out2 / 2 /
Composite Video Input5 (1 front)5 (1 front)
Composite Video Output22
S-Video Input
S-Video Output
Component Video Input22
Component Video Output11
PC In
Multi-Channel Input
Analog Pre-Outs7.27.2
XLR Inputs
XLR Pre-outs
Front A/V InputsHDMI (MHL support), USB, analog audio, compositeHDMI (MHL support), USB, analog audio, composite
Speaker A/B
Headphone Out 6.3 mm 6.3 mm
ZONES Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
Zones22
Powered ZonesZone 2Zone 2
Zone 2Line OutLine Out
Zone B Video Output (HDMI)
Zone GUI
RS-232
+12V Trigger Output (1) (1)
Remote (IR) Input/Output1 / 11 / 1
Party Mode
MISC Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
On-Screen DisplayGraphical user interfaceGraphical user interface
SCENESCENE (four sets) (four sets)
Web Browser Control
PreAmp Mode
Remote Controller (Preset)
Detachable Power Cord
dockport
RADIO Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
Analog Tuner FM/AM FM/AM
Presets4040
Digital Radio
Internet Radio vTuner vTuner
Pandora
Spotify
Tidal
Deezer
SiriusXM Internet Radio
CONSTRUCTION Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
A.R.T. Wedge
Speaker Terminals99
Large Speaker Terminals99
Color-Coded Speaker Terminals
Gold plated RCA terminals
POWER Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
Power SupplyAC 220 V, 50 HzAC 220 V, 50 Hz
Power Consumption270 W270 W
Standby Power0.1 W0.15 W
GENERAL Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
ECO Mode / Hybrid Standby Function
Auto Power Standby
Dimensions (W x H x D)435 mm x 171 mm x 367 mm (with antenna: 435 mm x 234 mm x 380 mm)
17-1/8" x 6-3/4" x 14-1/2" (with antenna: 17-1/8" x 9-1/4" x 15")
435 mm x 171 mm x 369 mm
17-1/8" x 6-3/4" x 14-1/2"
Weight10.6 kg (23.4 lbs)10.5 kg (23.2 lbs)
Warranty3 Years3 Years
SPECS Yamaha Aventage RX-A840 Yamaha Aventage RX-A830
Power Output (8 Ω, 20 Hz - 20 kHz, 2100 W (0.09% THD)100 W (0.09% THD)
Power Output (8 Ω, 1 kHz, 2110 W (0.9% THD)110 W (0.9% THD)
Rated Power Output (8 Ω, 1 kHz, 1 channel Driven)130 W (0.9% THD)130 W (0.9% THD)
Maximum Effective Output Power (8 Ω, 1 kHz, 1 channel Driven, JEITA)165 W (10% THD)160 W (10% THD)
Rated Power Output (4 Ω, 1 kHz, 1 channel Driven)160 W (0.9% THD)160 W (0.9% THD)
Dynamic Power per Channel (2240 W250 W
Dynamic Power per Channel (4 Ω, Front)195 W210 W
Dynamic Power per Channel (6 Ω, Front)170 W180 W
Dynamic Power per Channel (8 Ω, Front)130 W140 W
THD0.06% (AV 5 etc. to Front, Pure Direct, 20 Hz - 20 kHz, 50 W, 8 Ω)0.06% (AV 5 etc. to Front, Pure Direct, 20 Hz - 20 kHz, 50 W, 8 Ω)
THD (Phono)0.02% (Phono to AV OUT, 20 Hz - 20 kHz, 1 V)0.02% (Phono to AV OUT, 20 Hz - 20 kHz, 1 V)
Damping Factor100 (Front, 20 Hz - 20 kHz, 8 Ω)100 (Front, 20 Hz - 20 kHz, 8 Ω)
Input Sensitivity and Impedance (Line)200 mV/47 kΩ200 mV/47 kΩ
Input Sensitivity and Impedance (Phono MM)3.5 mV/47 kΩ3.5 mV/47 kΩ
Maximum Input Sensitivity (Line)2.3 V2.3 V
Maximum Input Sensitivity (Phono)60 mV60 mV
Rated Preout Level and Impedance1.0 V/1.2 kΩ1.0 V/1.2 kΩ
Rated Lineout Level and Impedance200 mV/1.2 kΩ (AV OUT)200 mV/1.2 kΩ (AV OUT)
Rated Headphone Jack Output Level and Impedance100 mV/560 Ω (AV 5 etc., 1 kHz, 50 mV, 8 Ω)100 mV/560 Ω (AV 5 etc., 1 kHz, 50 mV, 8 Ω)
S/N Ratio (Line, IHF-A)110 dB100 dB
S/N Ratio (Phono MM, IHF-A)96 dB81 dB
Frequency Response (Analog In)+0/-3 dB (10 Hz to 100 kHz)+0/-3 dB (10 Hz to 100 kHz)
Residual Noise (IHF-A Network)150 µV (Speaker Out)150 µV (Speaker Out)
Channel Separation at 1 kHz/10 kHz (LINE)75 dB/50 dB60 dB/45 dB
Channel Separation at 1 kHz/10 kHz (PHONO)60 dB/55 dB60 dB/55 dB
DSD Sampling Rates via HDMI2.8 MHz2.8 MHz
Video Input Sensitivity/Output Level and Impedance1 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 (Component Y)
0.7 Vp-p/75 Ω (Component PB/CB, PR/CR)
1 Vp-p/75 Ω (Composite)
Video Maximum Input1.5 Vp-p1.5 Vp-p
Video Frequency Response5 Hz to 60 MHz, -3 dB (Component)5 Hz to 60 MHz, -3 dB (Component)
Video S/N Ratio50 dB50 dB
Ethernet Standard10BASE-T/100BASE-TX10BASE-T/100BASE-TX
HDMI Input/MHL Terminal5 V, 1 A5 V, 1 A
USB TerminalUSB2.0 5 V, 2.1 AUSB2.0 5 V, 2.1 A
FM Frequency87.50 MHz - 108.00 MHz87.50 MHz - 108.00 MHz
FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.)Mono: 3 µV (20.8 dBf)Mono: 3 µV (20.8 dBf)
FM S/N RatioMono/Stereo: 71 dB/ 70 dBMono/Stereo: 71 dB/69 dB
FM Harmonic Distortion (IHF, 1 kHz)Mono/Stereo: 0.5%/0.6%Mono/Stereo: 0.3%/0.5%
AM Frequency531 MHz - 1611 MHz531 MHz - 1611 MHz

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

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