An affordable AV receiver is always a good option to consider, so Yamaha RX-V685BL vs Yamaha RX-V585BL comparison definitely makes sense.
Considered AV receivers have the same number of channels 7.2. Regarding power, then RX-V685BL has such a W/Ohm ratio - 90/8, 150/4 when RX-V585BL has a power of 80/8, 145/6. The THD is 0.06% for the RX-V685BL but 0.09% for the RX-V585BL.
Competitors' digital to analog converter (DAC) is identical to Burr-Brown 384 KHz/32-bit. Both the RX-V685BL and the RX-V585BL support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Yamaha RX-V685BL has support for AirPlay, and its competitor in our comparison - AirPlay, AirPlay 2. Only the RX-V585BL supports Spotify.
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 Yamaha RX-V685BL has 5/2 HDMI inputs/outputs versus 4/1 HDMI connectors of the Yamaha RX-V585BL. The HDMI Audio Return Channel (ARC) feature supports both devices. HDMI eARC is available in each model. 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 RX-V685BL has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. It is also worth noting that the ECO mode is presented in each of the receivers. Both RX-V685BL and RX-V585BL 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.