The Yamaha RX-V377 vs Pioneer SC-LX801 comparison proves that these receivers have many common features.
A significant difference between the receivers in the number of channels, Yamaha RX-V377 has 5.1 versus 9.2 for Pioneer SC-LX801. Regarding power, then RX-V377 has such a W/Ohm ratio - 100/8 1KHz, 135/6 1KHz when SC-LX801 has a power of 140/8 20Hz-20KHz, 200/6 1KHz, 255/4 1KHz. The THD is 0.09% for the RX-V377 but 0.08% for the SC-LX801.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 192 KHz/24-bit for RX-V377 and ESS SABRE32 Ultra 192 KHz/32-bit for the SC-LX801. Only the SC-LX801 supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Only the SC-LX801 has Bluetooth support. Only the SC-LX801 supports Spotify. 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. The SC-LX801 can scale the input HDMI signal, unlike the RX-V377. Dolby Vision technology found support only on the SC-LX801.
The Yamaha RX-V377 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. 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. A voice control is not available. An ECO mode is only available for the RX-V377. Both RX-V377 and SC-LX801 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.
The Pioneer SC-LX801 is better receiver in this comparison. Check Pioneer SC-LX801 price