Let's make the Onkyo TX-RZ840 versus Yamaha RX-V485BL comparison. According to the results of our review, Onkyo TX-RZ840 received 8.4 points out of 10 possible, and Yamaha RX-V485BL was rated 6.6 points. The release date of TX-RZ840 is 2019, and RX-V485BL is 2018. After comparison, it will become clear that among these two devices, the TX-RZ840 is more suitable for the role of the heart of home theater system.
For the built-in amplifier, the devices received different marks - 8 and 5, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. The Onkyo TX-RZ840 supports 9.2-channels sound, but Yamaha RX-V485BL 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 TX-RZ840 this value is 180/6 W/Ohm, and for the RX-V485BL it is 80/6 W/Ohm.
|Stereo power (RMS), W/Ohm||180/6||80/6|
|Output impedance, Ohm||6||6|
|THD in stereo, %||0.08||0.09|
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)||AKM 384 KHz/32-bit||Burr-Brown 384 KHz/32-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||AccuEQ||YPAO|
|Speaker A/B switching||✖||✖|
|Other audio features||Advanced Music Optimizer, Theater-Dimensional, Hi-Res audio||CINEMA DSP, Compressed Music Enhancer, Virtual CINEMA FRONT|
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, TuneIn Radio||has not|
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-RZ840 got 8 points, but Yamaha RX-V485BL received 6 points.
Onkyo TX-RZ840 is equipped with 7/2 HDMI inputs and outputs, and Yamaha RX-V485BL has 4/1 HDMI inputs and outputs.
Connecting a vinyl player or phonograph is possible using a Phono input which is represented by mini-jack or RCA connectors. Only the TX-RZ840 has a Phono interface.
|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||1|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||1||2|
|Coaxial digital input||1||1|
|Phono (MM) input||✔||✖|
|Front panel connectors||HDMI, phones, 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 rivals in our comparison were rated 8 out of 10.
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-V485BL.
|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||BT.2020, HLG|
In terms of evaluating additional features, the TX-RZ840 got 9 points, but the RX-V485BL has 8.
Yamaha RX-V485BL has the ECO mode.
|Voice control||Google Assistant||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||IP Control||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||✔||✖|
|Remote control input/output (IR)||1/0||0/0|
|DC trigger output (12V)||1||0|
Onkyo TX-RZ840 got 8 points for the multichannel surround sound and Yamaha RX-V485BL 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. Onkyo TX-RZ840 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 TX-RZ840.
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 TX-RZ840 licensed by IMAX.
|Dolby (other)||Dolby Digital Plus, Dolby Atmos Height Virtualization||Dolby Digital Plus, Dolby Pro Logic|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS||DTS 96/24, DTS-HD, DTS-EXPRESS, DTS-Surround, DTS Neo:6|