Let's make the Onkyo TX-RZ830 versus Onkyo TX-RZ740 comparison. According to the results of our review, Onkyo TX-RZ830 received 8 points out of 10 possible, and Onkyo TX-RZ740 was rated 8.5 points. The release date of TX-RZ830 is 2018, and TX-RZ740 is 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.
For the built-in amplifier, the devices received different marks - 8 and 9, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. Both receivers can handle the 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-RZ830 it is 180/6 W/Ohm.
TX-RZ830 | TX-RZ740 | |
---|---|---|
Channels | 9.2 | 9.2 |
Stereo power (RMS), W/Ohm | 180/6 | 100/8, 225/6 |
Output impedance, Ohm | 6 | 8, 6 |
Frequency response | 5Hz-100KHz | 10Hz-100KHz |
THD in stereo, % | 0.08 | 0.08 |
The score for audio features is 9 of 10 for both receivers.
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-RZ830 | TX-RZ740 | |
---|---|---|
Digital to analog converter (DAC) | AK4458 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 | Advanced Music Optimizer, Theater-Dimensional, Hi-Res audio | Advanced Music Optimizer, Hi-Res audio, Dynamic Audio Amplification |
The connectivity of competitors in our comparison is equal and was rated 8 out of 10.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
TX-RZ830 | TX-RZ740 | |
---|---|---|
Wi-Fi | 2.4/5GHz | ✔ |
USB | 1 (USB 2.0) | 1 (USB 2.0) |
Bluetooth | ✔ | ✔ |
Ethernet (RJ45) | 1 | 1 |
DLNA | ✖ | ✖ |
MHL | ✖ | ✖ |
Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.
TX-RZ830 | TX-RZ740 | |
---|---|---|
Apple Music (AirPlay) | AirPlay | AirPlay, AirPlay 2 |
Amazon Music | ✔ | ✔ |
Spotify | ✔ | ✔ |
Other streaming services | Deezer, TIDAL, TuneIn Radio | Deezer, TIDAL, Pandora, TuneIn Radio |
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, both receivers got 8 points on our 10-point scale.
Competitors in our review have 7/2 HDMI inputs and outputs.
TX-RZ830 | TX-RZ740 | |
---|---|---|
HDMI input/output | 7/2 | 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 | 2 | 1 |
Coaxial digital input | 1 | 1 |
Composite input | 2 | 2 |
Component input/output | 2/0 | 1/0 |
Phono (MM) input | ✔ | ✔ |
Front panel connectors | HDMI, phones, setup mic | HDMI, phones, setup mic, AUX |
Multi channel preamp output | ✔ | ✔ |
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-RZ830 were rated 7 out of 10 against the 8 for the TX-RZ740.
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-RZ830 | TX-RZ740 | |
---|---|---|
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 |
In terms of evaluating additional features, the TX-RZ830 got 8 points, but the TX-RZ740 has 9.
TX-RZ830 | TX-RZ740 | |
---|---|---|
Voice control | Google Assistant | Google Assistant |
App control | iPhone, iPad, iPod, Android | iPhone, iPad, iPod, Android |
Display | fluorescent | 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 | IP Control |
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-RZ830 | TX-RZ740 | |
---|---|---|
Multi-room zones | 3 | 3 |
Zone audio output | speaker, preout | speaker, preout |
Zone HDMI output | ✔ | ✔ |
Multi-room control | Onkyo Controller app, FlareConnect | FlareConnect |
RS-232 | 1 | 1 |
Remote control input/output (IR) | 1/0 | 1/0 |
DC trigger output (12V) | 1 | 1 |
Onkyo TX-RZ830 got 7 points for the multichannel surround sound and Onkyo TX-RZ740 got 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-RZ830 | TX-RZ740 | |
---|---|---|
Dolby Atmos | ✔ | ✔ |
Dolby TrueHD | ✔ | ✔ |
Dolby Surround | ✔ | ✔ |
Dolby (other) | Dolby Digital Plus | Dolby 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-EXPRESS | DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS |
Auro-3D | ✖ | ✖ |
IMAX Enhanced | ✖ | ✔ |
Multichannel stereo | ✖ | ✖ |