Onkyo TX-RZ730 vs Marantz SR5015

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Votes 1 1
Rating 5 5

TX-RZ730 vs SR5015 comparison chart

Onkyo TX-RZ730 vs Marantz SR5015 review

Onkyo TX-RZ730
vs
Marantz SR5015

The Onkyo TX-RZ730 versus Marantz SR5015 comparison makes clear all pros and cons of AV receivers. According to the results of our review, Onkyo TX-RZ730 received 7.8 points out of 10 possible, and Marantz SR5015 was rated 9.1 points. The release date of TX-RZ730 is 2018, and SR5015 is 2020. Identified advantages have shown that SR5015 is better over TX-RZ730 mainly as a home theater processor.

Main advantages Onkyo TX-RZ730 over Marantz SR5015

  • More channels, namely 9, makes this receiver more profitable than its 7-channel competitor.
  • Both receivers have a multi-room zone function, but TX-RZ730 has 3 zones vs 2 on its competitor.

Main advantages Marantz SR5015 over Onkyo TX-RZ730

  • Include HDMI eARC function.
  • 8K/60Hz signal pass-through is available.

Amplifiers

For the built-in amplifier, the devices received different marks - 7 and 9, respectively, on a 10-point scale.

TX-RZ730
7
SR5015
9

The number of channels is equal to the number of possible connected speakers. The Onkyo TX-RZ730 supports 9.2-channels sound, but Marantz SR5015 supports a 7.2-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 SR5015 this value is 200/6 W/Ohm, and for the TX-RZ730 it is 175/6 W/Ohm.

TX-RZ730 SR5015
Channels9.27.2
Stereo power (RMS), W/Ohm175/6100/8, 200/6
Output impedance, Ohm68, 6
Frequency response5Hz-100KHz20Hz-20KHz
THD in stereo, %0.080.08

Audio features

After reviewing the audio features of each model, we can rate the TX-RZ730 9 out of 10, and the SR5015 - 10.

TX-RZ730
9
SR5015
10

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. Marantz SR5015 can work with the main and additional set of speakers - and switch between them.

TX-RZ730 SR5015
Digital to analog converter (DAC)AK4458 384 KHz/32-bitN/A
Bi-amping
Pure direct (straight)
Auto speaker calibrationAccuEQAudyssey MultEQ XT
Speaker A/B switching
Other audio featuresAdvanced Music Optimizer, Theater-Dimensional, Hi-Res audioAudyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Enhancer(MDAX2), Hi-Res audio

Connectivity

The connectivity of competitors in our comparison is equal and was rated 8 out of 10.

TX-RZ730
8
SR5015
8

Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.

TX-RZ730 SR5015
Wi-Fi2.4/5GHz2.4/5GHz
USB1 (USB 2.0)1 (USB 2.0)
Bluetooth
Ethernet (RJ45)11
DLNA
MHL

Streaming services

Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.

TX-RZ730 SR5015
Apple Music (AirPlay)AirPlayAirPlay, AirPlay 2
Amazon Music
Spotify
Other streaming servicesDeezer, TIDAL, TuneIn RadioDeezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud

Extensive connections

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-RZ730 got 8 points, but Marantz SR5015 received 10 points.

TX-RZ730
8
SR5015
10

Onkyo TX-RZ730 is equipped with 7/2 HDMI inputs and outputs, and Marantz SR5015 has 6/2 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 Marantz SR5015.

The HDCP encryption protocol is now mandatory for most media devices. This security technology encrypts digital signals from one product to another. HDCP content-encryption protocol is present on Onkyo TX-RZ730 in the HDCP 2.2 version, and Marantz SR5015 has the HDCP 2.3 version.

TX-RZ730 SR5015
HDMI input/output7/26/2
HDMI ARC (Audio Return Channel)
HDMI eARC (Enhanced Audio Return Channel)
HDMI CEC
Digital content protection (HDCP)HDCP 2.2HDCP 2.3
Subwoofer output (LFE)22
Headphone output1 x 6.31 x 6.3
Optical digital input22
Coaxial digital input12
Composite input23
Component input/output2/02/1
Phono (MM) input
Front panel connectorsHDMI, phones, setup mic, AUXUSB, phones, setup mic
Multi channel preamp output

Video features

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-RZ730 were rated 7 out of 10 against the 10 for the SR5015.

TX-RZ730
7
SR5015
10

With the 4K pass-through feature, the AV receiver sends "native" 4K signals to a 4K TV from a video source without any processing. The TX-RZ730 works with the 4K/60Hz video, and the SR5015 has the 4K/120Hz.

The AV receiver passes "native" 8K signals from a video source to 8K TV without any encoding, with the 8k pass-through features. The 8K path-through is available on Marantz SR5015.

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 Marantz SR5015.

TX-RZ730 SR5015
HDR (High Dynamic Range)HDR10HDR10+
4K signal pass-through4K/60Hz4K/120Hz
8K signal pass-through8K/60Hz
HDMI signal pass-through
3D signal pass-through
HDMI pass-through in standby mode
Video conversionanalog to HDMI
Analog to HDMI scaling
HDMI to HDMI scaling
Dolby Vision
Other video featuresDeepColor, x.v.Color, HLG, BT.2020HLG, BT.2020, Dynamic HDR

Additional features

In terms of evaluating additional features, the TX-RZ730 got 8 points, but the SR5015 has 10.

TX-RZ730
8
SR5015
10

Marantz SR5015 has the ECO mode.

TX-RZ730 SR5015
Voice controlGoogle AssistantAmazon Alexa, Google Assistant, Siri, Josh.AI
App controliPhone, iPod, AndroidiPhone, iPad, iPod, Android
Displayfluorescentcolour OSD
TunerAM, FMAM, FM
Sleep timer
Auto power off
ECO mode
Graphical user interface (GUI)
Setup assistant
Firmware updatenetwork, USBnetwork, USB
Other additional featuresIP ControlIP Control, Web Control, App Control, RS232 Control

Multi-room

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-RZ730 SR5015
Multi-room zones32
Zone audio outputspeaker, preoutspeaker, preout
Zone HDMI output
Multi-room controlOnkyo Controller app, FlareConnectMarantz AVR Remote app, HEOS App
RS-23210
Remote control input/output (IR)1/00/0
DC trigger output (12V)11

Multichannel surround

Onkyo TX-RZ730 got 7 points for the multichannel surround sound and Marantz SR5015 got 8.

TX-RZ730
7
SR5015
8

TX-RZ730 SR5015
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other)Dolby Digital PlusDolby Atmos Height Virtualization
DTS:X
DTS HD Master
DTS Virtual:X
DTS Neural:X
DTS (other)DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESSDTS-HD
Auro-3D
IMAX Enhanced
Multichannel stereo
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