Onkyo TX-RZ730 vs Onkyo TX-NR5100

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Along with the growing popularity of custom home theater builds, the comparison of Onkyo TX-RZ730 and Onkyo TX-NR5100 takes place. According to the results of our review, Onkyo TX-RZ730 received 7.8 points out of 10 possible, and Onkyo TX-NR5100 was rated 7.3 points. The release date of TX-RZ730 is 2018, and TX-NR5100 is 2021. Based on the data on the characteristics and features of both models, we can conclude that TX-RZ730 has better performance than TX-NR5100.

Main advantages Onkyo TX-RZ730 over Onkyo TX-NR5100

Main advantages Onkyo TX-NR5100 over Onkyo TX-RZ730

Amplifiers

For the built-in amplifier, the models have rated 7 points out of 10.

The number of channels is equal to the number of possible connected speakers. The Onkyo TX-RZ730 supports 9.2-channels sound, but Onkyo TX-NR5100 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. The differences between the models in terms of RMS power are significant - for the TX-RZ730 this value is 175/6 W/Ohm, and for the TX-NR5100 it is 165/6 W/Ohm.

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.

Speaker A/B switching allows you to change between the main and sub speaker set. Onkyo TX-NR5100 can work with the main and additional set of speakers - and switch between them.

Connectivity

The connectivity of competitors in our comparison is markedly different, Onkyo TX-RZ730 scored 8, and Onkyo TX-NR5100 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-RZ730 got 8 points, but Onkyo TX-NR5100 received 6 points.

Onkyo TX-RZ730 is equipped with 7/2 HDMI inputs and outputs, and Onkyo TX-NR5100 has 4/2 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-NR5100.

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-RZ730 in the HDCP 2.2 version, and Onkyo TX-NR5100 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-RZ730 were rated 7 out of 10 against the 8 for the TX-NR5100.

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-RZ730 works with the 4K/60Hz video, and the TX-NR5100 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 Onkyo TX-NR5100.

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-NR5100.

Additional features

In terms of evaluating additional features, the TX-RZ730 got 8 points, but the TX-NR5100 has 10.

Onkyo TX-NR5100 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 7 points out of 10.