Onkyo TX-RZ820 vs Onkyo TX-NR757

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Along with the growing popularity of custom home theater builds, the comparison of Onkyo TX-RZ820 and Onkyo TX-NR757 takes place. According to the results of our review, Onkyo TX-RZ820 received 7.7 points out of 10 possible, and Onkyo TX-NR757 was rated 7.3 points. The release date of TX-RZ820 is 2017, and TX-NR757 is 2016. Based on the data on the characteristics and features of both models, we can conclude that TX-RZ820 has better performance than TX-NR757.

Main advantages Onkyo TX-RZ820 over Onkyo TX-NR757

Main advantages Onkyo TX-NR757 over Onkyo TX-RZ820

Amplifiers

For the built-in amplifier, the devices received different marks - 9 and 7, respectively, on a 10-point scale.

The number of channels is equal to the number of possible connected speakers. Both receivers can handle the 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-RZ820 this value is 160/8 W/Ohm, and for the TX-NR757 it is 110/8 W/Ohm.

Audio features

The score for audio features is 8 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.

DLNA is the perfect way to use your local cloud storage to stream movies and music directly to a TV. You can use the DLNA protocol only with Onkyo TX-NR757.

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-RZ820 got 8 points, but Onkyo TX-NR757 received 6 points.

Onkyo TX-RZ820 is equipped with 7/2 HDMI inputs and outputs, and Onkyo TX-NR757 has 8/2 HDMI inputs and outputs.

HDMI-CEC helps gadgets attached to your TV to link back and forth with your TV via HDMI ports. It is become possible to control all linked devices with one remote. The TX-RZ820 features HDMI CEC.

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-RZ820 were rated 7 out of 10 against the 9 for the TX-NR757.

Additional features

In terms of evaluating additional features, both receivers received a score of 8 out of 10.

Only the Onkyo TX-RZ820 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

Onkyo TX-RZ820 got 7 points for the multichannel surround sound and Onkyo TX-NR757 got 8.

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. Onkyo TX-NR757 has Auro-3D on its feature list.