Onkyo TX-SR393 vs Onkyo TX-RZ620

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Votes 1 1
Rating 5 5

TX-SR393 vs TX-RZ620 comparison chart

Onkyo TX-SR393 vs Onkyo TX-RZ620 review

Onkyo TX-SR393
vs
Onkyo TX-RZ620

Let's make the Onkyo TX-SR393 versus Onkyo TX-RZ620 comparison. According to the results of our review, Onkyo TX-SR393 received 5.2 points out of 10 possible, and Onkyo TX-RZ620 was rated 7.1 points. The release date of TX-SR393 is 2019, and TX-RZ620 is 2017. After comparison, it will become clear that among these two devices, the TX-RZ620 is more suitable for the role of the heart of home theater system.

Main advantages Onkyo TX-SR393 over Onkyo TX-RZ620

  • We do not know advantages

Main advantages Onkyo TX-RZ620 over Onkyo TX-SR393

  • More channels, namely 7, makes this receiver more profitable than its 5-channel competitor.
  • 100/8 W/Ohm RMS makes it more productive compared to 80/8 W/Ohm RMS in another receiver in the review.
  • There is Wi-Fi support.
  • The Spotify support is an exclusive advantage.
  • There is support for Apple AirPlay.

Amplifiers

For the built-in amplifier, the devices received different marks - 6 and 7, respectively, on a 10-point scale.

TX-SR393
6
TX-RZ620
7

The number of channels is equal to the number of possible connected speakers. The Onkyo TX-SR393 supports 5.2-channels sound, but Onkyo TX-RZ620 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 TX-RZ620 this value is 100/8 W/Ohm, and for the TX-SR393 it is 80/8 W/Ohm.

TX-SR393 TX-RZ620
Channels5.27.2
Stereo power (RMS), W/Ohm80/8, 155/6100/8
Output impedance, Ohm8, 68
Frequency response10Hz-100KHz10Hz-100KHz
THD in stereo, %0.080.08

Audio features

After reviewing the audio features of each model, we can rate the TX-SR393 6 out of 10, and the TX-RZ620 - 9.

TX-SR393
6
TX-RZ620
9

Bi-amping is the amplification of one speaker with two amplifiers. This amplification method has a positive effect on sound quality. Bi-amping is possible on the TX-RZ620.

Pure Direct mode feeds sound directly to the amplifier and bypasses any DSP processing. Only Onkyo TX-RZ620 has Pure Direct mode.

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.

TX-SR393 TX-RZ620
Digital to analog converter (DAC)AKM 384 KHz/32-bit384 KHz/32-bit
Bi-amping
Pure direct (straight)
Auto speaker calibrationAccuEQAccuEQ
Speaker A/B switching
Other audio featuresAdvanced Music Optimizer, Hi-Res audio, CinemaFILTERAdvanced Music Optimizer, Theater-Dimensional, Hi-Res audio, Dynamic Audio Amplification

Connectivity

The connectivity of competitors in our comparison is markedly different, Onkyo TX-SR393 scored 6, and Onkyo TX-RZ620 scored 8 out of 10.

TX-SR393
6
TX-RZ620
8

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

Wired internet connection via RJ45 allows receiver faster connection than wireless or even use NAS storages. Wired connection via RJ45 is possible in the TX-RZ620 only.

TX-SR393 TX-RZ620
Wi-Fi2.4/5GHz
USB1 (USB 2.0)1 (USB 2.0)
Bluetooth
Ethernet (RJ45)1
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-SR393 TX-RZ620
Apple Music (AirPlay)AirPlay
Amazon Music
Spotify
Other streaming serviceshas notDeezer, TIDAL, Pandora, TuneIn Radio

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-SR393 got 6 points, but Onkyo TX-RZ620 received 7 points.

TX-SR393
6
TX-RZ620
7

Onkyo TX-SR393 is equipped with 4/1 HDMI inputs and outputs, and Onkyo TX-RZ620 has 7/2 HDMI inputs and outputs.

Connecting a vinyl player or phonograph is possible using a Phono input which is represented by mini-jack or RCA connectors. Only the TX-RZ620 has a Phono interface.

TX-SR393 TX-RZ620
HDMI input/output4/17/2
HDMI ARC (Audio Return Channel)
HDMI eARC (Enhanced Audio Return Channel)
HDMI CEC
Digital content protection (HDCP)HDCP 2.2HDCP 2.2
Subwoofer output (LFE)22
Headphone output1 x 6.31 x 6.3
Optical digital input12
Coaxial digital input11
Composite input22
Component input/output0/02/0
Phono (MM) input
Front panel connectorsphones, setup micHDMI, phones, setup mic, AUX
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-SR393 were rated 7 out of 10 against the 6 for the TX-RZ620.

TX-SR393
7
TX-RZ620
6

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 only with Onkyo TX-SR393.

TX-SR393 TX-RZ620
HDR (High Dynamic Range)HDR10HDR10
4K signal pass-through4K/60Hz4K/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 featuresDeepColor, x.v.Color, HLG, BT.2020DeepColor, x.v.Color, HLG, BT.2020

Additional features

In terms of evaluating additional features, both receivers received a score of 6 out of 10.

TX-SR393
6
TX-RZ620
6

TX-SR393 TX-RZ620
Voice control
App controlAndroidiPhone, iPad, iPod, Android
Displayfluorescentfluorescent
TunerAM, FMAM, FM
Sleep timer
Auto power off
ECO mode
Graphical user interface (GUI)
Setup assistant
Firmware updateUSBnetwork, USB
Other additional featureshas nothas not

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-SR393 TX-RZ620
Multi-room zones22
Zone audio outputspeakerspeaker, preout
Zone HDMI output
Multi-room controlhas notOnkyo Controller app, FlareConnect
RS-23201
Remote control input/output (IR)0/01/0
DC trigger output (12V)01

Multichannel surround

For the ability to create multichannel surround sound, each of the receivers received 7 points out of 10.

TX-SR393
7
TX-RZ620
7

TX-SR393 TX-RZ620
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other)Dolby Digital Plus, Dolby Atmos Height VirtualizationDolby Digital Plus
DTS:X
DTS HD Master
DTS Virtual:X
DTS Neural:X
DTS (other)DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESSDTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS
Auro-3D
IMAX Enhanced
Multichannel stereo
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