Denon AVR-S750H vs Onkyo TX-RZ720 review

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Denon AVR-S750H vs Onkyo TX-RZ720 review

Denon AVR-S750H
vs
Onkyo TX-RZ720

It’s strongly recommended to compare different receivers if you want to choose the best one: Denon AVR-S750H vs Onkyo TX-RZ720.

Amplifier

AV receivers under review have the same number of channels. In terms of power, there are differences, the AVR-S750H has such a ratio W/Ohm - 75/8, 110/6, while the TX-RZ720 has a power of 175/6. A common feature for devices is the same total harmonic distortion - 0.08%.

Audio features

The manufacturer installed different DACs, the AVR-S750H received the model AKM 192 KHz/32-bit, but the TX-RZ720 is equipped with VLSC 384 KHz/32-bit. The Bi-amping function is implemented only in the Onkyo TX-RZ720. Both Denon AVR-S750H and Onkyo TX-RZ720 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The contenders have differences in the supported services from Apple - AirPlay, AirPlay 2 versus AirPlay respectively. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Denon AVR-S750H works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, Mood Mix, but the Onkyo TX-RZ720 works with Deezer, TIDAL, TuneIn Radio.

Video features

The HDR10 function is present in each of the rivals. The quality of 4K/60Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the AVR-S750H and the TX-RZ720. None of the devices can increase the resolution of the incoming video signal. Each of the participants of the comparison has a Dolby Vision.

Extensive connections

The number of HDMI inputs/outputs varies depending on the receiver, the AVR-S750H has 6/1, and the TX-RZ720 has 7/2.Denon AVR-S750H connectionsOnkyo TX-RZ720 connections HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the AVR-S750H. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The AVR-S750H has support for the standard HDCP 2.3, compared to the TX-RZ720, which supports the standard HDCP 2.2. Like most receivers, our models have a built-in phono stage for connecting a vinyl player.

Additional features

Ability to create 2 Multi zones inherent in both AV receivers. There is an ECO mode in AVR-S750H. The Denon AVR-S750H and the Onkyo TX-RZ720 can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available both models. A DTS:X surround technology is supported by devices from our comparison.

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General

Item

Denon AVR-S750H
Onkyo TX-RZ720

Model

AVR-S750H
TX-RZ720

Brand

Denon
Onkyo

Reviews

624
68

Amplifier

Channels

7.2
7.2

Stereo power (RMS), W/Ohm

75/8, 110/6
175/6

Output impedance, Ohm

8, 6
6

Frequency response

10Hz-100KHz
5Hz-100KHz

THD in stereo, %

0.08
0.08

Audio features

Digital to analog converter (DAC)

AKM 192 KHz/32-bit
VLSC 384 KHz/32-bit

Bi-amping

Pure direct (straight)

Auto speaker calibration

Audyssey MultEQ
AccuEQ

Speaker A/B switching

Other audio features

Audyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Restorer, Hi-Res audio
Hi-Res audio, Theater-Dimensional

Connectivity

Wi-Fi

2.4/5GHz

USB

1 (USB 2.0)
1 (USB 2.0)

Bluetooth

Ethernet (RJ45)

1
1

DLNA

MHL

Streaming services

Apple Music (AirPlay)

AirPlay, AirPlay 2
AirPlay

Amazon Music

Spotify

Other streaming services

Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, Mood Mix
Deezer, TIDAL, TuneIn Radio

Extensive connection

HDMI input/output

6/1
7/2

HDMI ARC (Audio Return Channel)

HDMI eARC (Enhanced Audio Return Channel)

HDMI CEC

Digital content protection (HDCP)

HDCP 2.3
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, HDMI, phones, setup mic
HDMI, phones, setup mic, AUX

Multi channel preamp output

Video features

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 scaling

HDMI to HDMI scaling

Dolby Vision

Other video features

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

Additional features

Voice control

Amazon Alexa, Google Assistant, Siri, Josh.AI

App control

iPhone, iPad, iPod, Android, Amazon Kindle
iPhone, iPad, iPod, Android

Display

colour OSD
fluorescent

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
IP Control

Multi-room

Multi-room zones

2
2

Zone audio output

speaker
speaker, preout

Zone HDMI output

Multi-room control

HEOS 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

Dolby (other)

Dolby Digital Plus, Dolby Atmos Height Virtualization
Dolby Digital Plus

DTS:X

DTS HD Master

DTS Virtual:X

DTS Neural:X

DTS (other)

DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS
has not

Auro-3D

IMAX Enhanced

Multichannel stereo

Audio file formats

MP3

WMA

AAC

WAV

FLAC

ALAC

Other audio file formats

AIFF
AIFF

Power

Operational power consumption, W

400
600

Standby consumption, W

0.1
0.15

Removable power cord

User manual

Manual

Dimensions

Size W x H x D, cm/inches

43.5 x 15.2 x 33/17 x 6 x 13.3
43.5 x 17.7 x 37.8/17 x 6.7 x 14.5

Weight, kg/lbs

8.6/19
10.5/22

Other

Release year

2019
2017
Denon AVR-S750H
Onkyo TX-RZ720
Denon AVR-S750H
Onkyo TX-RZ720

AV receivers SoundInspiration comparison rating

  • better
  • worse
  • 7
  • 7.3
  • 7Denon AVR-S750H
  • 7.3Onkyo TX-RZ720