Onkyo TX-RZ840 vs Yamaha RX-A8A

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An overview of Onkyo TX-RZ840 and Yamaha RX-A8A will help us understand the many features that the devices are equipped with. According to the results of our review, Onkyo TX-RZ840 received 8.4 points out of 10 possible, and Yamaha RX-A8A was rated 9.4 points. The release date of TX-RZ840 is 2019, and RX-A8A is 2021. And as a result of the review, it becomes clear that TX-RZ840 is inferior in audio processing features to RX-A8A.

Main advantages Onkyo TX-RZ840 over Yamaha RX-A8A

Main advantages Yamaha RX-A8A over Onkyo TX-RZ840

Amplifiers

For the built-in amplifier, the devices received different marks - 8 and 10, 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 Yamaha RX-A8A supports a 11.2-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 markedly different, Onkyo TX-RZ840 scored 8, and Yamaha RX-A8A scored 9 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 Yamaha RX-A8A received 10 points.

Onkyo TX-RZ840 is equipped with 7/2 HDMI inputs and outputs, and Yamaha RX-A8A has 7/3 HDMI inputs and outputs.

The HDCP encryption protocol is now mandatory for most media devices. This security technology encrypts digital signals from one product to another. HDCP content-encryption protocol is present on Onkyo TX-RZ840 in the HDCP 2.2 version, and Yamaha RX-A8A has the HDCP 2.3 version.

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 9 for the RX-A8A.

With the 4K pass-through feature, the AV receiver sends "native" 4K signals to a 4K TV from a video source without any processing. The TX-RZ840 works with the 4K/60Hz video, and the RX-A8A has the 4K/120Hz.

The AV receiver passes "native" 8K signals from a video source to 8K TV without any encoding, with the 8k pass-through features. The 8K path-through is available on Yamaha RX-A8A.

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 Yamaha RX-A8A.

Additional features

In terms of evaluating additional features, the TX-RZ840 got 9 points, but the RX-A8A has 10.

Yamaha RX-A8A has the ECO mode.

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

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

Auro 3D gives a bit more versatility than Dolby Atmos or DTS:X and provides a hemispherical sound and enables a receiver to produce 3D sound stages. Yamaha RX-A8A has Auro-3D on its feature list.

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.