Onkyo TX-RZ840 vs Onkyo TX-RZ740

If you click a link on this page and make a purchase, we may receive a small commission at no extra cost to you.
Votes 2 2
Rating 3.5 3.5

TX-RZ840 vs TX-RZ740 comparison chart

Onkyo TX-RZ840 vs Onkyo TX-RZ740 review

Onkyo TX-RZ840
vs
Onkyo TX-RZ740

Let's make the Onkyo TX-RZ840 versus Onkyo TX-RZ740 comparison. According to the results of our review, Onkyo TX-RZ840 received 8.4 points out of 10 possible, and Onkyo TX-RZ740 was rated 8.5 points. Both AV receivers were introduced in 2019. After comparison, it will become clear that among these two devices, the TX-RZ740 is more suitable for the role of the heart of home theater system.

Main advantages Onkyo TX-RZ840 over Onkyo TX-RZ740

  • Include HDMI eARC function.

Main advantages Onkyo TX-RZ740 over Onkyo TX-RZ840

  • We do not know advantages

Amplifiers

For the built-in amplifier, the devices received different marks - 8 and 9, respectively, on a 10-point scale.

TX-RZ840
8
TX-RZ740
9

The number of channels is equal to the number of possible connected speakers. Both receivers can handle the 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-RZ740 this value is 225/6 W/Ohm, and for the TX-RZ840 it is 180/6 W/Ohm.

TX-RZ840 TX-RZ740
Channels9.29.2
Stereo power (RMS), W/Ohm180/6100/8, 225/6
Output impedance, Ohm68, 6
Frequency response10Hz-100KHz10Hz-100KHz
THD in stereo, %0.080.08

Audio features

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

TX-RZ840
9
TX-RZ740
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-RZ840 TX-RZ740
Digital to analog converter (DAC)AKM 384 KHz/32-bitAK4458 384 KHz/32-bit
Bi-amping
Pure direct (straight)
Auto speaker calibrationAccuEQAccuEQ
Speaker A/B switching
Other audio featuresAdvanced Music Optimizer, Theater-Dimensional, Hi-Res audioAdvanced Music Optimizer, Hi-Res audio, Dynamic Audio Amplification

Connectivity

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

TX-RZ840
8
TX-RZ740
8

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

TX-RZ840 TX-RZ740
Wi-Fi
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-RZ840 TX-RZ740
Apple Music (AirPlay)AirPlay, AirPlay 2AirPlay, AirPlay 2
Amazon Music
Spotify
Other streaming servicesDeezer, TIDAL, Pandora, 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, both receivers got 8 points on our 10-point scale.

TX-RZ840
8
TX-RZ740
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 only on Onkyo TX-RZ840.

TX-RZ840 TX-RZ740
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 input11
Coaxial digital input11
Composite input22
Component input/output1/01/0
Phono (MM) input
Front panel connectorsHDMI, phones, setup micHDMI, phones, setup mic, AUX
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 rivals in our comparison were rated 8 out of 10.

TX-RZ840
8
TX-RZ740
8

Most of the AV receivers have a video scaling function, it is the process of reformatting the video signal to a higher resolution without losing the quality of the image. Upscaling the video signal resolution is possible with Onkyo TX-RZ740.

TX-RZ840 TX-RZ740
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, HLG, BT.2020DeepColor, x.v.Color, HLG, BT.2020

Additional features

In terms of evaluating additional features, both receivers received a score of 9 out of 10.

TX-RZ840
9
TX-RZ740
9

TX-RZ840 TX-RZ740
Voice controlGoogle AssistantGoogle 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-RZ840 TX-RZ740
Multi-room zones33
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

For the ability to create multichannel surround sound, each of the receivers received 8 points out of 10.

TX-RZ840
8
TX-RZ740
8

Rivals in this competition licensed by IMAX.

TX-RZ840 TX-RZ740
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other)Dolby Digital Plus, Dolby Atmos Height VirtualizationDolby Digital Plus, Dolby Atmos Height Virtualization
DTS:X
DTS HD Master
DTS Virtual:X
DTS Neural:X
DTS (other)DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESSDTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS
Auro-3D
IMAX Enhanced
Multichannel stereo
Add another receiver to comparison
We didn't find anything to show here