Let's make the Yamaha RX-A780 versus Onkyo TX-RZ740 comparison. According to the results of our review, Yamaha RX-A780 received 8.2 points out of 10 possible, and Onkyo TX-RZ740 was rated 8.5 points. The release date of RX-A780 is 2018, and TX-RZ740 is 2019. After comparison, it will become clear that among these two devices, the TX-RZ740 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 9, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. The Yamaha RX-A780 supports 7.2-channels sound, but Onkyo TX-RZ740 supports a 9.2-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-RZ740 this value is 100/8 W/Ohm, and for the RX-A780 it is 95/8 W/Ohm.
|Stereo power (RMS), W/Ohm||95/8, 160/4||100/8, 225/6|
|Output impedance, Ohm||8, 4||8, 6|
|THD in stereo, %||0.06||0.08|
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.
|Digital to analog converter (DAC)||Burr-Brown 384 KHz/32-bit||AK4458 384 KHz/32-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||YPAO||AccuEQ|
|Speaker A/B switching||✖||✖|
|Other audio features||CINEMA DSP 3D, Compressed Music Enhancer, Virtual CINEMA FRONT||Advanced Music Optimizer, Hi-Res audio, Dynamic Audio Amplification|
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.
|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 2||AirPlay, AirPlay 2|
|Other streaming services||Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz||Deezer, TIDAL, Pandora, TuneIn Radio|
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, Yamaha RX-A780 got 9 points, but Onkyo TX-RZ740 received 8 points.
Competitors in our review have 7/2 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 only on Yamaha RX-A780.
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 Yamaha RX-A780 in the HDCP 2.3 version, and Onkyo TX-RZ740 has the HDCP 2.2 version.
|HDMI ARC (Audio Return Channel)||✔||✔|
|HDMI eARC (Enhanced Audio Return Channel)||✔||✖|
|Digital content protection (HDCP)||HDCP 2.3||HDCP 2.2|
|Subwoofer output (LFE)||2||2|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||2||1|
|Coaxial digital input||2||1|
|Phono (MM) input||✔||✔|
|Front panel connectors||USB, phones, setup mic, AUX||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 rivals in our comparison were rated 8 out of 10.
|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||✔||✔|
|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 RX-A780 got 10 points, but the TX-RZ740 has 9.
Only the Yamaha RX-A780 has the ECO mode.
|Voice control||Amazon Alexa, Google Assistant||Google Assistant|
|App control||iPhone, 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||IP Control|
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||✖||✔|
|Remote control input/output (IR)||1/1||1/0|
|DC trigger output (12V)||1||1|
Yamaha RX-A780 got 7 points for the multichannel surround sound and Onkyo TX-RZ740 got 8.
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. The TX-RZ740 licensed by IMAX.
|Dolby (other)||Dolby Digital Plus||Dolby Digital Plus, Dolby Atmos Height Virtualization|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS, DTS-Neo:6||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS|