An affordable AV receiver is always a good option to consider, so Sony STR-DH590 vs Yamaha RX-V585BL comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Sony STR-DH590 has 5.2 versus 7.2 for Yamaha RX-V585BL. Regarding power, then STR-DH590 has such a W/Ohm ratio - 145/6 when RX-V585BL has a power of 80/8, 145/6. The THD is the same and is 0.09%.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/32-bit for STR-DH590 and Burr-Brown 384 KHz/32-bit for the RX-V585BL. Only the RX-V585BL supports Bi-amping feature. 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 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. The RX-V585BL can scale the input HDMI signal, unlike the STR-DH590. The HDR standard - Dolby Vision is supported by these receivers.
Each receiver has 4/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the RX-V585BL. 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. Receivers do not have a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the RX-V585BL. The setup assistant will help you configure Yamaha RX-V585BL.
Only the RX-V585BL has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the RX-V585BL.