An overview of Onkyo TX-RZ820 and Yamaha RX-V683BL will help us understand the many features that the devices are equipped with. According to the results of our review, Onkyo TX-RZ820 received 7.7 points out of 10 possible, and Yamaha RX-V683BL was rated 7.1 points. Both AV receivers were introduced in 2017. And as a result of the review, it becomes clear that RX-V683BL is inferior in audio processing features to TX-RZ820.
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 RX-V683BL it is 90/8 W/Ohm.
|Stereo power (RMS), W/Ohm||160/8||90/8, 150/4|
|Output impedance, Ohm||8||8, 4|
|THD in stereo, %||0.08||0.06|
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.
|Digital to analog converter (DAC)||AK4458 384 KHz/32-bit||Burr-Brown 192 KHz/24-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||AccuEQ||YPAO|
|Speaker A/B switching||✖||✖|
|Other audio features||has not||CINEMA DSP 3D, Compressed Music Enhancer, Virtual CINEMA FRONT|
The connectivity of competitors in our comparison is markedly different, Onkyo TX-RZ820 scored 8, and Yamaha RX-V683BL scored 7 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 Yamaha RX-V683BL.
|USB||1 (USB 2.0)||1 (USB 2.0)|
Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.
|Apple Music (AirPlay)||AirPlay||AirPlay|
|Other streaming services||Deezer, TIDAL||Pandora, Sirius XM, Napster, JUKE, Qobuz|
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 Yamaha RX-V683BL received 6 points.
Onkyo TX-RZ820 is equipped with 7/2 HDMI inputs and outputs, and Yamaha RX-V683BL has 6/1 HDMI inputs and outputs.
|HDMI ARC (Audio Return Channel)||✔||✔|
|HDMI eARC (Enhanced Audio Return Channel)||✖||✖|
|Digital content protection (HDCP)||HDCP 2.2||HDCP 2.2|
|Subwoofer output (LFE)||2||2|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||2||2|
|Coaxial digital input||1||2|
|Phono (MM) input||✔||✔|
|Front panel connectors||HDMI, phones, setup mic||USB, phones, setup mic, AUX|
|Multi channel preamp output||✔||✖|
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 RX-V683BL.
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-V683BL.
|HDR (High Dynamic Range)||HDR10||HDR10|
|4K signal pass-through||4K/60Hz||4K/60Hz|
|8K signal pass-through||✖||✖|
|HDMI signal pass-through||✔||✔|
|3D signal pass-through||✔||✔|
|HDMI pass-through in standby mode||✔||✔|
|Video conversion||✖||analog to HDMI|
|Analog to HDMI scaling||✖||✔|
|HDMI to HDMI scaling||✖||✔|
|Other video features||HLG, BT.2020||DeepColor, x.v.Color, HLG|
In terms of evaluating additional features, the TX-RZ820 got 8 points, but the RX-V683BL has 7.
|App control||iPhone, iPad, iPod, Android||iPhone, iPad, iPod, Android|
|Tuner||AM, FM||AM, FM|
|Auto power off||✔||✔|
|Graphical user interface (GUI)||✔||✔|
|Firmware update||network, USB||network, USB|
|Other additional features||IP Control||has not|
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.
|Zone audio output||speaker, preout||speaker, preout|
|Zone HDMI output||✔||✖|
|Multi-room control||FlareConnect||MusicCast, AV Controller|
|Remote control input/output (IR)||1/0||1/1|
|DC trigger output (12V)||1||1|
For the ability to create multichannel surround sound, each of the receivers received 7 points out of 10.
|Dolby (other)||Dolby Digital Plus||Dolby Digital Plus|
|DTS HD Master||✔||✔|
|DTS (other)||has not||DTS-EXPRESS|