An affordable AV receiver is always a good option to consider, so Onkyo TX-RZ710 vs Pioneer VSX-S520 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Onkyo TX-RZ710 has 7.2 versus 5.1 for Pioneer VSX-S520. Regarding power, then TX-RZ710 has such a W/Ohm ratio - 175/6 1KHz when VSX-S520 has a power of 50/4 1KHz. The THD is 0.08% for the TX-RZ710 but 0.09% for the VSX-S520.
Characteristics of digital to analog converter (DAC) are different, AK4458 384 KHz/32-bit for TX-RZ710 and 192 KHz/24-bit for the VSX-S520. Only the TX-RZ710 supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay. Spotify can be used on each receiver. The TX-RZ710 can work with the audio stream from Deezer, TIDAL, Pandora, Tunein Radio, and the VSX-S520 can receive a content from Deezer, TIDAL, TuneIn Radio.
These units support HDR technology. Compared AV receivers retain the quality of 4K 60p signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. Both rivals can scale the resolution of the incoming HDMI signal. Dolby Vision technology found support only on the VSX-S520.
The Onkyo TX-RZ710 has 8/2 HDMI inputs/outputs versus 4/1 HDMI connectors of the Pioneer VSX-S520. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. These compared receivers have a built-in phono stage for connecting a vinyl player. A voice control is not available. An ECO mode is only available for the TX-RZ710. The setup assistant will help you configure Pioneer VSX-S520.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.
The Onkyo TX-RZ710 is better receiver in this comparison. Check Onkyo TX-RZ710 price