Being able to compare Yamaha AVENTAGE RX-A680 and Onkyo TX-NR777 gave us an insight into what of them would be better for home theater configuration. According to the results of our review, Yamaha AVENTAGE RX-A680 received 7.5 points out of 10 possible, and Onkyo TX-NR777 was rated 6.8 points. The release date of AVENTAGE RX-A680 is 2018, and TX-NR777 is 2017. AVENTAGE RX-A680 is more performable in terms of audio broadcast than the TX-NR777.
For the built-in amplifier, the devices received different marks - 8 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 AVENTAGE RX-A680 this value is 115/8 W/Ohm, and for the TX-NR777 it is 110/8 W/Ohm.
|Stereo power (RMS), W/Ohm||115/8, 145/6||110/8|
|Output impedance, Ohm||8, 6||8|
|THD in stereo, %||0.08||0.08|
After reviewing the audio features of each model, we can rate the AVENTAGE RX-A680 9 out of 10, and the TX-NR777 - 7.
Pure Direct mode feeds sound directly to the amplifier and bypasses any DSP processing. Only Yamaha AVENTAGE RX-A680 has Pure Direct mode.
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||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, Theater-Dimensional, 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|
|Other streaming services||Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz||TIDAL, Pandora|
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 AVENTAGE RX-A680 got 6 points, but Onkyo TX-NR777 received 7 points.
Yamaha AVENTAGE RX-A680 is equipped with 4/1 HDMI inputs and outputs, and Onkyo TX-NR777 has 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 AVENTAGE RX-A680.
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 AVENTAGE RX-A680 in the HDCP 2.3 version, and Onkyo TX-NR777 has the HDCP 2.2 version.
Connecting a vinyl player or phonograph is possible using a Phono input which is represented by mini-jack or RCA connectors. Only the TX-NR777 has a Phono interface.
|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||1||2|
|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 the AVENTAGE RX-A680 were rated 7 out of 10 against the 6 for the TX-NR777.
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 only with Yamaha AVENTAGE RX-A680.
|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||HLG, BT.2020|
In terms of evaluating additional features, the AVENTAGE RX-A680 got 10 points, but the TX-NR777 has 6.
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 AVENTAGE RX-A680 can be controlled by voice via Amazon Alexa, Google Assistant. Only the Yamaha AVENTAGE RX-A680 has the ECO mode.
|Voice control||Amazon Alexa, Google Assistant||✖|
|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||speaker, preout|
|Zone HDMI output||✖||✖|
|Multi-room control||MusicCast||Onkyo Controller app, FlareConnect|
|Remote control input/output (IR)||0/0||1/0|
|DC trigger output (12V)||0||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-Surround, DTS-Neo:6||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS|