Denon AVR-S640H vs Onkyo TX-RZ710 review

Votes 1 1
Rating 5 5
Denon AVR-S640H
vs
Onkyo TX-RZ710

It makes sense comparing Denon AVR-S640H vs Onkyo TX-RZ710 because they both are able to give some premium features.

Amplifier

A significant difference between the receivers in the number of channels, Denon AVR-S640H has 5.2 versus 7.2 for Onkyo TX-RZ710. Regarding power, then AVR-S640H has such a W/Ohm ratio - 75/8 20Hz-20KHz, 100/6 1KHz when TX-RZ710 has a power of 175/6 1KHz. The THD is the same and is 0.08%.

Audio features

Characteristics of digital to analog converter (DAC) are different, 192 KHz/32-bit for AVR-S640H and AK4458 384 KHz/32-bit for the TX-RZ710. Only the TX-RZ710 supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. The Denon AVR-S640H has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. The AVR-S640H can work with the audio stream from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, and the TX-RZ710 can receive a content from Deezer, TIDAL, Pandora, Tunein Radio.

Video features

These units support HDR technology. Compared AV receivers retain the quality of 4K 60p signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The TX-RZ710 can scale the input HDMI signal, unlike the AVR-S640H. Dolby Vision technology found support only on the AVR-S640H.

Extensive connections

The Denon AVR-S640H has 5/1 HDMI inputs/outputs versus 8/2 HDMI connectors of the Onkyo TX-RZ710.Denon AVR-S640H connectionsOnkyo TX-RZ710 connections The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. These compared receivers have a built-in phono stage for connecting a vinyl player. It is also worth noting that the ECO mode is presented in each of the receivers. The setup assistant will help you configure Denon AVR-S640H.

Multichannel surround

Only the TX-RZ710 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the TX-RZ710.

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Common

Product

Denon AVR-S640H
Onkyo TX-RZ710

Model

AVR-S640H
TX-RZ710

Brand

Denon
Onkyo

Reviews

200
72

Amplifier

Channels

5.2
7.2

Stereo power (RMS), W/Ohm

75/8 20Hz-20KHz, 100/6 1KHz
175/6 1KHz

Output impedance, Ohm

8, 6
6

Frequency response

10Hz-100KHz
20Hz-20KHz

THD in stereo, %

0.08
0.08

Audio features

Digital to analog converter (DAC)

192 KHz/32-bit
AK4458 384 KHz/32-bit

Bi-amping

Pure direct (straight)

Auto speaker calibration

Audyssey MultEQ
AccuEQ

Speaker A/B switching

Connectivity

Wi-Fi

2.4/5GHz

USB

1 (USB 2.0)
1 (USB 2.0)

Bluetooth

Ethernet (RJ45)

1
1

Streaming services

Apple Music (AirPlay)

AirPlay, AirPlay 2
AirPlay

Google Play Music

Amazon Music

Spotify

Other streaming services

Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud
Deezer, TIDAL, Pandora, Tunein Radio

Video features

HDR (High Dynamic Range)

4K signal pass-through

4K 60p
4K 60p

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

BT.2020, HLG
DeepColor, x.v.Color

Additional features

Voice control

Amazon Alexa, Google Assistant, Siri, Josh.AI

App control

iPhone, iPad, iPod, Android
iPhone, iPad, iPod, Android

Display

colour OSD
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, Web Control
has not

Extensive connection

HDMI input/output

5/1
8/2

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
1

Composite input

2
2

Component input/output

0/0
2/0

Phono (MM) input

Front panel connectors

USB, phones, setup mic
phones, setup mic, AUX

Multi channel preamp output

Multi-room

Multi-room zones

has not
2

Zone audio output

has not
speaker, preout

Zone HDMI output

has not

Multi-room control

has not
Onkyo Remote App, FlareConnect

RS-232

0
1

Remote control input/output (IR)

0/0
1/0

DC trigger output (12V)

0
1

Multichannel surround

Dolby Atmos

Dolby TrueHD

Dolby Surround

DTS:X

DTS HD Master

DTS Virtual:X

Auro-3D

Power

Operational power consumption, W

340
600

Standby consumption, W

0.1
0.1

Removable power cord

User manual

Manual

Dimensions

Size W x H x D, cm/inches

43.5 x 15.9 x 33/17 x 6.1 x 13
43.5 x 17.7 x 37.8/ 17 x 6.6 x 14.5

Weight, kg/lbs

7.7/17.2
10.5/23.1
Denon AVR-S640H
Onkyo TX-RZ710
Denon AVR-S640H
Onkyo TX-RZ710

AV receivers SoundInspiration comparison rating

  • better
  • worse
  • 6.2
  • 7.5
  • 6.2Denon AVR-S640H
  • 7.5Onkyo TX-RZ710

The Onkyo TX-RZ710 is better receiver in this comparison. Check Onkyo TX-RZ710 price

Denon AVR-S640H competitors

Onkyo TX-RZ710 competitors