An affordable AV receiver is always a good option to consider, so Yamaha RX-V485 vs Pioneer VSX-1131 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Yamaha RX-V485 has 5.1 versus 7.2 for Pioneer VSX-1131. Regarding power, then RX-V485 has such a W/Ohm ratio - 80/8, 145/6 when VSX-1131 has a power of 100/8, 170/6. The THD is 0.09% for the RX-V485 but 0.08% for the VSX-1131.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 384 KHz/32-bit for RX-V485 and AK4458 384 KHz/32-bit for the VSX-1131. Both the RX-V485 and the VSX-1131 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 Yamaha RX-V485 has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. The RX-V485 can work with the audio stream from Deezer, TIDAL, Pandora, Napster, SiriusXM, and the VSX-1131 can receive a content from Deezer, TIDAL, Pandora, TuneIn Radio. 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 Yamaha RX-V485 has 4/1 HDMI inputs/outputs versus 7/2 HDMI connectors of the Pioneer VSX-1131. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the RX-V485. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The RX-V485 supports the protection of digital content of the standard HDCP 2.3, versus HDCP 2.2 in the VSX-1131. The VSX-1131 has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. An ECO mode is only available for the RX-V485. Both RX-V485 and VSX-1131 can be configured using the Setup assistant.
Only the VSX-1131 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the VSX-1131.