Choosing an AV receiver is not an easy task and the Onkyo TX-RZ820 versus Denon AVR-X6500H comparison is meant to help you with this. According to the results of our review, Onkyo TX-RZ820 received 7.7 points out of 10 possible, and Denon AVR-X6500H was rated 9.4 points. The release date of TX-RZ820 is 2017, and AVR-X6500H is 2018. As a result, it becomes clear that AVR-X6500H is a better option for home theater than TX-RZ820.
For the built-in amplifier, the devices received different marks - 9 and 10, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. The Onkyo TX-RZ820 supports 7.2-channels sound, but Denon AVR-X6500H supports a 11.2-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-RZ820 this value is 160/8 W/Ohm, and for the AVR-X6500H it is 140/8 W/Ohm.
TX-RZ820 | AVR-X6500H | |
---|---|---|
Channels | 7.2 | 11.2 |
Stereo power (RMS), W/Ohm | 160/8 | 140/8, 175/6 |
Output impedance, Ohm | 8 | 8, 6 |
Frequency response | 5Hz-100KHz | 10Hz-100KHz |
THD in stereo, % | 0.08 | 0.05 |
After reviewing the audio features of each model, we can rate the TX-RZ820 8 out of 10, and the AVR-X6500H - 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. Denon AVR-X6500H can work with the main and additional set of speakers - and switch between them.
TX-RZ820 | AVR-X6500H | |
---|---|---|
Digital to analog converter (DAC) | AK4458 384 KHz/32-bit | 192 KHz/32-bit |
Bi-amping | ✔ | ✔ |
Pure direct (straight) | ✔ | ✔ |
Auto speaker calibration | AccuEQ | Audyssey MultEQ XT32 |
Speaker A/B switching | ✖ | ✔ |
Other audio features | has not | Audyssey Dynamic Volume, Audyssey Dynamic EQ, Audyssey LFC, Compressed Audio Restorer |
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.
TX-RZ820 | AVR-X6500H | |
---|---|---|
Wi-Fi | 2.4/5GHz | ✔ |
USB | 1 (USB 2.0) | 1 (USB 2.0) |
Bluetooth | ✔ | ✔ |
Ethernet (RJ45) | 1 | 1 |
DLNA | ✖ | ✖ |
MHL | ✖ | ✖ |
Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.
TX-RZ820 | AVR-X6500H | |
---|---|---|
Apple Music (AirPlay) | AirPlay | AirPlay, AirPlay 2 |
Amazon Music | ✖ | ✔ |
Spotify | ✔ | ✔ |
Other streaming services | Deezer, TIDAL | Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, Mood Mix |
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-RZ820 got 8 points, but Denon AVR-X6500H received 10 points.
Onkyo TX-RZ820 is equipped with 7/2 HDMI inputs and outputs, and Denon AVR-X6500H has 8/3 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 on Denon AVR-X6500H.
TX-RZ820 | AVR-X6500H | |
---|---|---|
HDMI input/output | 7/2 | 8/3 |
HDMI ARC (Audio Return Channel) | ✔ | ✔ |
HDMI eARC (Enhanced Audio Return Channel) | ✖ | ✔ |
HDMI CEC | ✔ | ✔ |
Digital content protection (HDCP) | HDCP 2.2 | HDCP 2.2 |
Subwoofer output (LFE) | 2 | 2 |
Headphone output | 1 x 6.3 | 1 x 6.3 |
Optical digital input | 2 | 2 |
Coaxial digital input | 1 | 2 |
Composite input | 2 | 4 |
Component input/output | 2/0 | 2/1 |
Phono (MM) input | ✔ | ✔ |
Front panel connectors | HDMI, phones, setup mic | USB, HDMI, phones, setup mic |
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 TX-RZ820 were rated 7 out of 10 against the 10 for the AVR-X6500H.
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 Denon AVR-X6500H.
TX-RZ820 | AVR-X6500H | |
---|---|---|
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 | ✖ | ✔ |
Dolby Vision | ✔ | ✔ |
Other video features | HLG, BT.2020 | HLG, BT.2020 |
In terms of evaluating additional features, the TX-RZ820 got 8 points, but the AVR-X6500H 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 AVR-X6500H can be controlled by voice via Amazon Alexa, Google Assistant, Siri, Josh.AI.
TX-RZ820 | AVR-X6500H | |
---|---|---|
Voice control | ✖ | Amazon Alexa, Google Assistant, Siri, Josh.AI |
App control | iPhone, iPad, iPod, Android | iPhone, iPad, iPod, Android, Amazon Kindle |
Display | fluorescent | colour OSD |
Tuner | AM, FM | AM, FM |
Sleep timer | ✔ | ✔ |
Auto power off | ✔ | ✔ |
ECO mode | ✔ | ✔ |
Graphical user interface (GUI) | ✔ | ✔ |
Setup assistant | ✔ | ✔ |
Firmware update | network, USB | network, USB |
Other additional features | IP Control | 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.
TX-RZ820 | AVR-X6500H | |
---|---|---|
Multi-room zones | 2 | 3 |
Zone audio output | speaker, preout | speaker, preout |
Zone HDMI output | ✔ | ✔ |
Multi-room control | FlareConnect | HEOS App |
RS-232 | 1 | 1 |
Remote control input/output (IR) | 1/0 | 1/1 |
DC trigger output (12V) | 1 | 2 |
Onkyo TX-RZ820 got 7 points for the multichannel surround sound and Denon AVR-X6500H got 9.
Auro 3D gives a bit more versatility than Dolby Atmos or DTS:X and provides a hemispherical sound and enables a receiver to produce 3D sound stages. Denon AVR-X6500H has Auro-3D on its feature list.
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 AVR-X6500H licensed by IMAX.
TX-RZ820 | AVR-X6500H | |
---|---|---|
Dolby Atmos | ✔ | ✔ |
Dolby TrueHD | ✔ | ✔ |
Dolby Surround | ✔ | ✖ |
Dolby (other) | Dolby Digital Plus | Dolby Digital Plus |
DTS:X | ✔ | ✔ |
DTS HD Master | ✔ | ✔ |
DTS Virtual:X | ✖ | ✖ |
DTS Neural:X | ✔ | ✔ |
DTS (other) | has not | DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS |
Auro-3D | ✖ | ✔ |
IMAX Enhanced | ✖ | ✔ |
Multichannel stereo | ✖ | ✔ |