Onkyo TX-RZ840 vs Onkyo TX-RZ620

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Let's make the Onkyo TX-RZ840 versus Onkyo TX-RZ620 comparison. According to the results of our review, Onkyo TX-RZ840 received 8.4 points out of 10 possible, and Onkyo TX-RZ620 was rated 7.1 points. The release date of TX-RZ840 is 2019, and TX-RZ620 is 2017. After comparison, it will become clear that among these two devices, the TX-RZ840 is more suitable for the role of the heart of home theater system.

Main advantages Onkyo TX-RZ840 over Onkyo TX-RZ620

Main advantages Onkyo TX-RZ620 over Onkyo TX-RZ840

Amplifiers

For the built-in amplifier, the devices received different marks - 8 and 7, respectively, on a 10-point scale.

The number of channels is equal to the number of possible connected speakers. The Onkyo TX-RZ840 supports 9.2-channels sound, but Onkyo TX-RZ620 supports a 7.2-channels configuration.

RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced.

Audio features

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

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.

Connectivity

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

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

Streaming services

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

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-RZ840 got 8 points, but Onkyo TX-RZ620 received 7 points.

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.

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-RZ840 were rated 8 out of 10 against the 6 for the TX-RZ620.

Additional features

In terms of evaluating additional features, the TX-RZ840 got 9 points, but the TX-RZ620 has 6.

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.

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.

Multichannel surround

Onkyo TX-RZ840 got 8 points for the multichannel surround sound and Onkyo TX-RZ620 got 7.

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. Only the TX-RZ840 licensed by IMAX.