An overview of Sony STR-DH790 and Yamaha RX-V485 will help us understand the many features that the devices are equipped with. According to the results of our review, Sony STR-DH790 received 5.3 points out of 10 possible, and Yamaha RX-V485 was rated 7.4 points. Both AV receivers were introduced in 2018. And as a result of the review, it becomes clear that STR-DH790 is inferior in audio processing features to RX-V485.
For the built-in amplifier, the devices received different marks - 7 and 6, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. The Sony STR-DH790 supports 7.2-channels sound, but Yamaha RX-V485 supports a 5.1-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-V485 this value is 145/6 W/Ohm, and for the STR-DH790 it is 90/6 W/Ohm.
|Stereo power (RMS), W/Ohm||90/6||80/8, 145/6|
|Output impedance, Ohm||6||8, 6|
|THD in stereo, %||0.09||0.09|
After reviewing the audio features of each model, we can rate the STR-DH790 8 out of 10, and the RX-V485 - 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.
Speaker A/B switching allows you to change between the main and sub speaker set. Sony STR-DH790 can work with the main and additional set of speakers - and switch between them.
|Digital to analog converter (DAC)||192 KHz/24-bit||Burr-Brown 384 KHz/32-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||DCAC||YPAO|
|Speaker A/B switching||✔||✖|
|Other audio features||Hi-Res audio||CINEMA DSP 3D, Compressed Music Enhancer, Virtual CINEMA FRONT|
The connectivity of competitors in our comparison is markedly different, Sony STR-DH790 scored 6, and Yamaha RX-V485 scored 7 out of 10.
Wireless connection via Wi-Fi is possible on the Yamaha RX-V485.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
Wired internet connection via RJ45 allows receiver faster connection than wireless or even use NAS storages. Wired connection via RJ45 is possible in the RX-V485 only.
|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|
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, Sony STR-DH790 got 7 points, but Yamaha RX-V485 received 8 points.
Competitors in our review have 4/1 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-DH790 in the HDCP 2.2 version, and Yamaha RX-V485 has the HDCP 2.3 version.
|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||1|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||1||1|
|Coaxial digital input||1||2|
|Phono (MM) input||✖||✖|
|Front panel connectors||phones, setup mic||USB, phones, 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-DH790 were rated 7 out of 10 against the 9 for the RX-V485.
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-V485.
|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||HLG||DeepColor, x.v.Color, BT.2020, HLG|
In terms of evaluating additional features, the STR-DH790 got 6 points, but the RX-V485 has 9.
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-V485 can be controlled by voice via Amazon Alexa, Google Assistant, Siri. Yamaha RX-V485 has the ECO mode.
|Voice control||✖||Amazon Alexa, Google Assistant, Siri|
|App control||iPhone, iPad, iPod, Android||iPhone, iPad, iPod, Android|
|Display||colour OSD||colour OSD|
|Tuner||AM, FM||AM, FM|
|Auto power off||✔||✔|
|Graphical user interface (GUI)||✔||✖|
|Firmware update||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.
|Multi-room zones||has not||2|
|Zone audio output||has not||speaker|
|Zone HDMI output||has not||✖|
|Multi-room control||has not||MusicCast|
|Remote control input/output (IR)||0/0||0/0|
|DC trigger output (12V)||0||0|
Sony STR-DH790 got 7 points for the multichannel surround sound and Yamaha RX-V485 got 5.
Dolby Atmos' particularity is that this is the object-oriented sound format, that is, each audio signal object is independently sounded and connected to its spatial position. Sony STR-DH790 can create 3D sound due to the Dolby Atmos support.
DTS:X is an algorithm used by the processor to create sound scenes, where sounds connected directly to objects rather than channels, and to determine the optimum sound output distribution in space. Surround sound with DTS:X is available only on the STR-DH790.
|Dolby (other)||Dolby Digital Plus||Dolby Digital Plus, Dolby Pro Logic|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS 96/24||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS, DTS Neo:6|