Pioneer SC-LX801 vs Yamaha RX-V779BL comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Pioneer SC-LX801 has 9.2 versus 7.2 for Yamaha RX-V779BL. Regarding power, then SC-LX801 has such a W/Ohm ratio - 140/8, 200/6, 255/4 when RX-V779BL has a power of 95/8, 160/4. The THD is 0.08% for the SC-LX801 but 0.09% for the RX-V779BL.
Characteristics of digital to analog converter (DAC) are different, ESS SABRE32 Ultra 192 KHz/32-bit for SC-LX801 and Burr-Brown 192 KHz/24-bit for the RX-V779BL. Both the SC-LX801 and the RX-V779BL 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. The SC-LX801 can work with the audio stream from Deezer, TIDAL, Pandora, and the RX-V779BL can receive a content from Pandora, Sirius XM, Napster, JUKE, Rhapsody. 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. Dolby Vision technology found support only on the SC-LX801.
The Pioneer SC-LX801 has 8/2 HDMI inputs/outputs versus 6/2 HDMI connectors of the Yamaha RX-V779BL. 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.
The SC-LX801 supports 3 Multi-room zones, versus 2 for the RX-V779BL. A voice control is not available. An ECO mode is only available for the RX-V779BL. Both SC-LX801 and RX-V779BL can be configured using the Setup assistant.
Only the SC-LX801 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SC-LX801.