The Sony STR-ZA810ES vs Pioneer SC-LX801 comparison proves that these receivers have many common features.
A significant difference between the receivers in the number of channels, Sony STR-ZA810ES has 7.2 versus 9.2 for Pioneer SC-LX801. Regarding power, then STR-ZA810ES has such a W/Ohm ratio - 100/8 when SC-LX801 has a power of 140/8, 200/6, 255/4. The THD is 0.09% for the STR-ZA810ES but 0.08% for the SC-LX801.
Characteristics of digital to analog converter (DAC) are different, 384 KHz/32-bit for STR-ZA810ES and ESS SABRE32 Ultra 192 KHz/32-bit for the SC-LX801. Both the STR-ZA810ES and the SC-LX801 support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay. Spotify can be used on each receiver.
Both AV receivers support HDR10 technology (High dynamic range). Compared AV receivers retain the quality of 4K/60Hz 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. The HDR standard - Dolby Vision is supported by these receivers.
The Sony STR-ZA810ES has 6/2 HDMI inputs/outputs versus 8/2 HDMI connectors of the Pioneer SC-LX801. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the STR-ZA810ES. 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. The SC-LX801 has a built-in phono stage for connecting a vinyl player.
The STR-ZA810ES supports 2 Multi-room zones, versus 3 for the SC-LX801. An ECO mode is not present in each of the AV receivers. Both STR-ZA810ES and SC-LX801 can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.