Onkyo TX-RZ720 vs Onkyo TX-RZ840

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Votes 1 1
Rating 5 5

TX-RZ720 vs TX-RZ840 comparison chart

Onkyo TX-RZ720 vs Onkyo TX-RZ840 review

Onkyo TX-RZ720
vs
Onkyo TX-RZ840

Review of Onkyo TX-RZ720 versus Onkyo TX-RZ840 will reveal the best features offered by the devices. According to the results of our review, Onkyo TX-RZ720 received 7.3 points out of 10 possible, and Onkyo TX-RZ840 was rated 8.4 points. The release date of TX-RZ720 is 2017, and TX-RZ840 is 2019. TX-RZ840 is better suited for home theater use than the TX-RZ720. Its sound profile is better balanced.

Main advantages Onkyo TX-RZ720 over Onkyo TX-RZ840

  • We do not know advantages

Main advantages Onkyo TX-RZ840 over Onkyo TX-RZ720

  • More channels, namely 9, makes this receiver more profitable than its 7-channel competitor.
  • 180/6 W/Ohm RMS makes it more productive compared to 175/6 W/Ohm RMS in another receiver in the review.
  • Both receivers have a multi-room zone function, but TX-RZ840 has 3 zones vs 2 on its competitor.
  • Include HDMI eARC function.

Amplifiers

For the built-in amplifier, the models have rated 8 points out of 10.

TX-RZ720
8
TX-RZ840
8

The number of channels is equal to the number of possible connected speakers. The Onkyo TX-RZ720 supports 7.2-channels sound, but Onkyo TX-RZ840 supports a 9.2-channels configuration.

RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced. The differences between the models in terms of RMS power are significant - for the TX-RZ840 this value is 180/6 W/Ohm, and for the TX-RZ720 it is 175/6 W/Ohm.

TX-RZ720 TX-RZ840
Channels7.29.2
Stereo power (RMS), W/Ohm175/6180/6
Output impedance, Ohm66
Frequency response5Hz-100KHz10Hz-100KHz
THD in stereo, %0.080.08

Audio features

The score for audio features is 9 of 10 for both receivers.

TX-RZ720
9
TX-RZ840
9

Most receivers now come with a microphone included. It is with the help of this microphone that the auto-calibration system functions, which adjusts the sound of the receiver to the room.

TX-RZ720 TX-RZ840
Digital to analog converter (DAC)VLSC 384 KHz/32-bitAKM 384 KHz/32-bit
Bi-amping
Pure direct (straight)
Auto speaker calibrationAccuEQAccuEQ
Speaker A/B switching
Other audio featuresHi-Res audio, Theater-DimensionalAdvanced Music Optimizer, Theater-Dimensional, Hi-Res audio

Connectivity

The connectivity of competitors in our comparison is equal and was rated 8 out of 10.

TX-RZ720
8
TX-RZ840
8

Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.

TX-RZ720 TX-RZ840
Wi-Fi2.4/5GHz
USB1 (USB 2.0)1 (USB 2.0)
Bluetooth
Ethernet (RJ45)11
DLNA
MHL

Streaming services

Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.

TX-RZ720 TX-RZ840
Apple Music (AirPlay)AirPlayAirPlay, AirPlay 2
Amazon Music
Spotify
Other streaming servicesDeezer, TIDAL, TuneIn RadioDeezer, TIDAL, Pandora, TuneIn Radio

Extensive connections

The presence of many connectors makes the receiver more versatile. But there are also narrowly targeted models, the number of connectors which are limited to a certain area of use. And when choosing their own receiver, users need to consider exactly your goals for using the receiver. For extensive connection, Onkyo TX-RZ720 got 7 points, but Onkyo TX-RZ840 received 8 points.

TX-RZ720
7
TX-RZ840
8

Competitors in our review have 7/2 HDMI inputs and outputs.

HDMI eARC is the next step in the development of audio return channel technology, which works in conjunction with HDMI 2.1. Using eARC provides the highest sound quality for home audio systems. HDMI eARC is available on Onkyo TX-RZ840.

TX-RZ720 TX-RZ840
HDMI input/output7/27/2
HDMI ARC (Audio Return Channel)
HDMI eARC (Enhanced Audio Return Channel)
HDMI CEC
Digital content protection (HDCP)HDCP 2.2HDCP 2.2
Subwoofer output (LFE)22
Headphone output1 x 6.31 x 6.3
Optical digital input21
Coaxial digital input11
Composite input22
Component input/output2/01/0
Phono (MM) input
Front panel connectorsHDMI, phones, setup mic, AUXHDMI, phones, setup mic
Multi channel preamp output

Video features

The AV receiver is the heart of the home theater. And in this case, support for all current video formats ensures the best user experience, so it is very important to consider this when choosing a device. Video features of the TX-RZ720 were rated 7 out of 10 against the 8 for the TX-RZ840.

TX-RZ720
7
TX-RZ840
8

TX-RZ720 TX-RZ840
HDR (High Dynamic Range)HDR10HDR10
4K signal pass-through4K/60Hz4K/60Hz
8K signal pass-through
HDMI signal pass-through
3D signal pass-through
HDMI pass-through in standby mode
Video conversionanalog to HDMI
Analog to HDMI scaling
HDMI to HDMI scaling
Dolby Vision
Other video featuresDeepColor, x.v.Color, BT.2020, HLGDeepColor, x.v.Color, HLG, BT.2020

Additional features

In terms of evaluating additional features, the TX-RZ720 got 7 points, but the TX-RZ840 has 9.

TX-RZ720
7
TX-RZ840
9

Voice control allows you to control the basic functions of the receiver through a smartphone, smart speaker or using the microphone that comes with the kit. The TX-RZ840 can be controlled by voice via Google Assistant.

TX-RZ720 TX-RZ840
Voice controlGoogle Assistant
App controliPhone, iPad, iPod, AndroidiPhone, iPad, iPod, Android
Displayfluorescentfluorescent
TunerAM, FMAM, FM
Sleep timer
Auto power off
ECO mode
Graphical user interface (GUI)
Setup assistant
Firmware updatenetwork, USBnetwork, USB
Other additional featuresIP ControlIP Control

Multi-room

As the center of a home media system, each multichannel receiver has an additional set of terminals for connecting the second set of speakers to create additional audio space in Zone 2 or even Zone 3 where audio can have the separate source.

TX-RZ720 TX-RZ840
Multi-room zones23
Zone audio outputspeaker, preoutspeaker, preout
Zone HDMI output
Multi-room controlFlareConnectFlareConnect
RS-23211
Remote control input/output (IR)1/01/0
DC trigger output (12V)11

Multichannel surround

Onkyo TX-RZ720 got 7 points for the multichannel surround sound and Onkyo TX-RZ840 got 8.

TX-RZ720
7
TX-RZ840
8

IMAX Enhanced is a licensing and certification program under which home theater devices deliver crisp 4K HDR pictures and powerful sound as it was designed by the IMAX engineers. The TX-RZ840 licensed by IMAX.

TX-RZ720 TX-RZ840
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other)Dolby Digital PlusDolby Digital Plus, Dolby Atmos Height Virtualization
DTS:X
DTS HD Master
DTS Virtual:X
DTS Neural:X
DTS (other)has notDTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS
Auro-3D
IMAX Enhanced
Multichannel stereo
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