Let's make the Onkyo TX-RZ620 versus Yamaha RX-A770BL comparison. According to the results of our review, Onkyo TX-RZ620 received 7.1 points out of 10 possible, and Yamaha RX-A770BL was rated 8.1 points. Both AV receivers were introduced in 2017. After comparison, it will become clear that among these two devices, the RX-A770BL is more suitable for the role of the heart of home theater system.
For the built-in amplifier, the devices received different marks - 7 and 8, 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-RZ620 this value is 100/8 W/Ohm, and for the RX-A770BL it is 95/8 W/Ohm.
|Stereo power (RMS), W/Ohm||100/8||95/8|
|Output impedance, Ohm||8||8|
|THD in stereo, %||0.08||0.06|
After reviewing the audio features of each model, we can rate the TX-RZ620 9 out of 10, and the RX-A770BL - 8.
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)||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||Advanced Music Optimizer, Theater-Dimensional, Hi-Res audio, Dynamic Audio Amplification||CINEMA DSP 3D, Compressed Music Enhancer, Virtual CINEMA FRONT, Extra Bass|
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 Yamaha RX-A770BL.
|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, TuneIn Radio||Deezer, TIDAL, Pandora, Napster, SiriusXM|
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-RZ620 got 7 points, but Yamaha RX-A770BL received 8 points.
Onkyo TX-RZ620 is equipped with 7/2 HDMI inputs and outputs, and Yamaha RX-A770BL 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, AUX||USB, HDMI, 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-RZ620 were rated 6 out of 10 against the 10 for the RX-A770BL.
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-A770BL.
|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||DeepColor, x.v.Color, HLG, BT.2020||DeepColor, x.v.Color, HLG, BT.2020|
In terms of evaluating additional features, the TX-RZ620 got 6 points, but the RX-A770BL has 10.
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 RX-A770BL can be controlled by voice via Amazon Alexa. Yamaha RX-A770BL has the ECO mode.
|Voice control||✖||Amazon Alexa|
|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||has not||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|
|Zone HDMI output||✖||✖|
|Multi-room control||Onkyo Controller app, 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)||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS||DTS-EXPRESS, DTS Neo:6 Cinema, DTS Neo:6 Music|