Onkyo TX-RZ3100 vs Onkyo TX-RZ730

TX-RZ3100 vs TX-RZ730 comparison chart

Onkyo TX-RZ3100 vs Onkyo TX-RZ730 review

Onkyo TX-RZ3100
vs
Onkyo TX-RZ730

What are the main differences between the Onkyo TX-RZ3100 vs Onkyo TX-RZ730 and which AV receivers is better? The TX-RZ3100 has 11.2 channels amplifier and the TX-RZ730 9.2 channels. Both receivers have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices. We have evaluated both AV receivers, TX-RZ3100 has an overall score of 8.2 out of 10 vs 7.8 out of 10 for TX-RZ730.

Advantages Onkyo TX-RZ3100 over Onkyo TX-RZ730

  • Delivers 200W/6Ohm (2 channel driven) vs 175W/6Ohm

Advantages Onkyo TX-RZ730 over Onkyo TX-RZ3100

  • Has a GUI (Graphic User Interface)
  • Setup assistant

Common strengths

  • Bi-amp capability
  • Pure direct/Straight decode mode is enabled
  • Phono (MM) input
  • Dolby Vision compatible
Votes 1 1
Rating 5 5
Onkyo TX-RZ730

Dec 20, 2019

Here is Onkyo TX-RZ730 review of a budget A / V receiver with the output power needed to play sound tracks in a 7.2.4-channel theater in Dolby Atmos or DTS: X formats with a reference volume level acc...

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Common

Product

Onkyo TX-RZ3100
Onkyo TX-RZ730

Model

TX-RZ3100
TX-RZ730

Brand

Onkyo
Onkyo

Reviews

20
99

Amplifier

Channels

11.2
9.2

Stereo power (RMS), W/Ohm

200/6
175/6

Output impedance, Ohm

6
6

Frequency response

5Hz-100KHz
5Hz-100KHz

THD in stereo, %

0.04
0.08

Audio features

Digital to analog converter (DAC)

AK4490 384 KHz/32-bit
AK4458 384 KHz/32-bit

Bi-amping

Pure direct (straight)

Auto speaker calibration

AccuEQ
AccuEQ

Speaker A/B switching

Other audio features

Theater-Dimensional, Hi-Res audio
Advanced Music Optimizer, Theater-Dimensional, Hi-Res audio

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

Amazon Music

Spotify

Other streaming services

Deezer, TIDAL, TuneIn Radio
Deezer, TIDAL, TuneIn Radio

Extensive connection

HDMI input/output

8/2
7/2

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

3
2

Coaxial digital input

2
1

Composite input

2
2

Component input/output

2/1
2/0

Phono (MM) input

Front panel connectors

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

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

Additional features

Voice control

Google Assistant

App control

iPhone, iPod, Android
iPhone, 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

has not
IP Control

Multi-room

Multi-room zones

3
3

Zone audio output

speaker, preout
speaker, preout

Zone HDMI output

Multi-room control

FlareConnect
Onkyo Controller app, FlareConnect

RS-232

1
1

Remote control input/output (IR)

1/0
1/0

DC trigger output (12V)

1
1

Multichannel surround

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)

DTS-ES, DTS 96/24, DTS-EXPRESS
DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS

Auro-3D

IMAX Enhanced

Multichannel stereo

Audio file formats

MP3

WMA

AAC

WAV

FLAC

ALAC

Other audio file formats

has not
AIFF

Power

Operational power consumption, W

340
760

Standby consumption, W

0.15
0.15

Removable power cord

User manual

Manual

Dimensions

Size W x H x D, cm/inches

43.5 x 20.1 x 45.3/17 x 7.8 x 17.7
43.5 x 17.7 x 37.9/17 x 7.3 x 14.6

Weight, kg/lbs

22.5/48.5
10.8/22

Other

Release year

2016
2018
Onkyo TX-RZ3100
Onkyo TX-RZ730
Onkyo TX-RZ3100
Onkyo TX-RZ730

AV receivers CHooseratoR comparison rating

  • better
  • worse
  • 8.2
  • 7.8
  • 8.2Onkyo TX-RZ3100
  • 7.8Onkyo TX-RZ730