Choosing an AV receiver is not an easy task and the Sony STR-ZA3100ES versus Yamaha RX-A780 comparison is meant to help you with this. According to the results of our review, Sony STR-ZA3100ES received 6.3 points out of 10 possible, and Yamaha RX-A780 was rated 8.2 points. The release date of STR-ZA3100ES is 2017, and RX-A780 is 2018. As a result, it becomes clear that RX-A780 is a better option for home theater than STR-ZA3100ES.
For the built-in amplifier, the models have rated 7 points out of 10.
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 RX-A780 this value is 95/8 W/Ohm, and for the STR-ZA3100ES it is 70/8 W/Ohm.
|Stereo power (RMS), W/Ohm||70/8, 90/6||95/8, 160/4|
|Output impedance, Ohm||8, 6||8, 4|
|THD in stereo, %||0.09||0.06|
After reviewing the audio features of each model, we can rate the STR-ZA3100ES 7 out of 10, and the RX-A780 - 9.
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)||N/A||Burr-Brown 384 KHz/32-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||DCAC EX||YPAO|
|Speaker A/B switching||✖||✖|
|Other audio features||Sound Optimizer||CINEMA DSP 3D, Compressed Music Enhancer, Virtual CINEMA FRONT|
The connectivity of competitors in our comparison is markedly different, Sony STR-ZA3100ES scored 6, and Yamaha RX-A780 scored 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|
|Other streaming services||has not||Deezer, TIDAL, Pandora, Napster, SiriusXM, 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, both receivers got 9 points on our 10-point scale.
Sony STR-ZA3100ES is equipped with 6/2 HDMI inputs and outputs, and Yamaha RX-A780 has 7/2 HDMI inputs and outputs.
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 Sony STR-ZA3100ES in the HDCP 2.2 version, and Yamaha RX-A780 has the HDCP 2.3 version.
Connecting a vinyl player or phonograph is possible using a Phono input which is represented by mini-jack or RCA connectors. Only the RX-A780 has a Phono interface.
|HDMI ARC (Audio Return Channel)||✔||✔|
|HDMI eARC (Enhanced Audio Return Channel)||✔||✔|
|Digital content protection (HDCP)||HDCP 2.2||HDCP 2.3|
|Subwoofer output (LFE)||2||2|
|Headphone output||0||1 x 6.3|
|Optical digital input||2||2|
|Coaxial digital input||1||2|
|Phono (MM) input||✖||✔|
|Front panel connectors||USB, HDMI, 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 STR-ZA3100ES were rated 7 out of 10 against the 8 for the RX-A780.
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-A780.
|HDR (High Dynamic Range)||✔||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||HLG||DeepColor, x.v.Color, HLG, BT.2020|
In terms of evaluating additional features, the STR-ZA3100ES got 6 points, but the RX-A780 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-A780 can be controlled by voice via Amazon Alexa, Google Assistant. Yamaha RX-A780 has the ECO mode.
|Voice control||✖||Amazon Alexa, Google Assistant|
|App control||iPhone, iPad, iPod, Android||iPhone, iPod, Android|
|Display||colour OSD||colour OSD|
|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, preout|
|Zone HDMI output||✔||✖|
|Multi-room control||has not||MusicCast|
|Remote control input/output (IR)||1/2||1/1|
|DC trigger output (12V)||3||1|
For the ability to create multichannel surround sound, each of the receivers received 7 points out of 10.
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. Only the STR-ZA3100ES licensed by IMAX.
|Dolby (other)||Dolby Digital Plus||Dolby Digital Plus|
|DTS HD Master||✖||✔|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS, DTS-Neo:6|