The Sony STR-DH770 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-DH770 has 7.2 versus 9.2 for Pioneer SC-LX801. Regarding power, then STR-DH770 has such a W/Ohm ratio - 105/6 when SC-LX801 has a power of 140/8, 200/6, 255/4. The THD is 0.09% for the STR-DH770 but 0.08% for the SC-LX801.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/24-bit for STR-DH770 and ESS SABRE32 Ultra 192 KHz/32-bit for the SC-LX801. Both the STR-DH770 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. Only the SC-LX801 supports Spotify. 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. The SC-LX801 can scale the input HDMI signal, unlike the STR-DH770. Dolby Vision technology found support only on the SC-LX801.
The Sony STR-DH770 has 4/1 HDMI inputs/outputs versus 8/2 HDMI connectors of the Pioneer SC-LX801. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. Of the two receivers in our comparison, HDMI CEC is present only in the SC-LX801. Both models support the standard HDCP 2.2. The SC-LX801 has a built-in phono stage for connecting a vinyl player.
The STR-DH770 supports 2 Multi-room zones, versus 3 for the SC-LX801. A voice control is not available. An ECO mode is not present in each of the AV receivers. The setup assistant will help you configure Pioneer SC-LX801.
Only the SC-LX801 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SC-LX801.