Onkyo TX-SR494 vs Onkyo TX-RZ740

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Votes 1 1
Rating 5 5

TX-SR494 vs TX-RZ740 comparison chart

Onkyo TX-SR494 vs Onkyo TX-RZ740 review

Onkyo TX-SR494
vs
Onkyo TX-RZ740

Let's make the Onkyo TX-SR494 versus Onkyo TX-RZ740 comparison. According to the results of our review, Onkyo TX-SR494 received 5.5 points out of 10 possible, and Onkyo TX-RZ740 was rated 8.5 points. Both AV receivers were introduced in 2019. After comparison, it will become clear that among these two devices, the TX-RZ740 is more suitable for the role of the heart of home theater system.

Main advantages Onkyo TX-SR494 over Onkyo TX-RZ740

  • We do not know advantages

Main advantages Onkyo TX-RZ740 over Onkyo TX-SR494

  • More channels, namely 9, makes this receiver more profitable than its 7-channel competitor.
  • Both receivers have a multi-room zone function, but TX-RZ740 has 3 zones vs 2 on its competitor.
  • 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 - 7 and 9, respectively, on a 10-point scale.

TX-SR494
7
TX-RZ740
9

The number of channels is equal to the number of possible connected speakers. The Onkyo TX-SR494 supports 7.2-channels sound, but Onkyo TX-RZ740 supports a 9.2-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-RZ740 this value is 225/6 W/Ohm, and for the TX-SR494 it is 135/6 W/Ohm.

TX-SR494 TX-RZ740
Channels7.29.2
Stereo power (RMS), W/Ohm135/6100/8, 225/6
Output impedance, Ohm68, 6
Frequency response10Hz-100KHz10Hz-100KHz
THD in stereo, %0.080.08

Audio features

The score for audio features is 9 of 10 for both receivers.

TX-SR494
9
TX-RZ740
9

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-SR494 TX-RZ740
Digital to analog converter (DAC)AKM 384 KHz/32-bitAK4458 384 KHz/32-bit
Bi-amping
Pure direct (straight)
Auto speaker calibrationAccuEQAccuEQ
Speaker A/B switching
Other audio featuresAdvanced Music Optimizer, Hi-Res audioAdvanced Music Optimizer, Hi-Res audio, Dynamic Audio Amplification

Connectivity

The connectivity of competitors in our comparison is markedly different, Onkyo TX-SR494 scored 5, and Onkyo TX-RZ740 scored 8 out of 10.

TX-SR494
5
TX-RZ740
8

Wireless connection via Wi-Fi is possible on the Onkyo TX-RZ740.

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-RZ740 only.

TX-SR494 TX-RZ740
Wi-Fi
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-SR494 TX-RZ740
Apple Music (AirPlay)AirPlay, AirPlay 2
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-SR494 got 6 points, but Onkyo TX-RZ740 received 8 points.

TX-SR494
6
TX-RZ740
8

Onkyo TX-SR494 is equipped with 4/1 HDMI inputs and outputs, and Onkyo TX-RZ740 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-RZ740 has a Phono interface.

TX-SR494 TX-RZ740
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 input11
Coaxial digital input11
Composite input02
Component input/output0/01/0
Phono (MM) input
Front panel connectorsUSB, phonesHDMI, 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-SR494 were rated 6 out of 10 against the 8 for the TX-RZ740.

TX-SR494
6
TX-RZ740
8

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 Onkyo TX-RZ740.

TX-SR494 TX-RZ740
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, the TX-SR494 got 6 points, but the TX-RZ740 has 9.

TX-SR494
6
TX-RZ740
9

Voice control allows you to control the basic functions of the receiver through a smartphone, smart speaker or using the microphone that comes with the kit. The TX-RZ740 can be controlled by voice via Google Assistant.

TX-SR494 TX-RZ740
Voice controlGoogle Assistant
App controliPhone, iPad, iPod, AndroidiPhone, 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 notIP 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-SR494 TX-RZ740
Multi-room zones23
Zone audio outputspeakerspeaker, preout
Zone HDMI output
Multi-room controlhas notFlareConnect
RS-23201
Remote control input/output (IR)0/01/0
DC trigger output (12V)01

Multichannel surround

Onkyo TX-SR494 got 7 points for the multichannel surround sound and Onkyo TX-RZ740 got 8.

TX-SR494
7
TX-RZ740
8

IMAX Enhanced is a licensing and certification program under which home theater devices deliver crisp 4K HDR pictures and powerful sound as it was designed by the IMAX engineers. The TX-RZ740 licensed by IMAX.

TX-SR494 TX-RZ740
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other)Dolby Digital Plus, Dolby Atmos Height VirtualizationDolby Digital Plus, Dolby 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-ES, DTS 96/24, DTS-HD, DTS-EXPRESS
Auro-3D
IMAX Enhanced
Multichannel stereo
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