Sony STR-DH590 vs Yamaha RX-V4A comparison definitely makes sense.
Considered AV receivers have the same number of channels 5.2. Regarding power, then STR-DH590 has such a W/Ohm ratio - 145/6 when RX-V4A has a power of 80/6. The THD is 0.09% for the STR-DH590 but 0.06% for the RX-V4A. Only the RX-V4A 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-V4A supports Spotify.
Both AV receivers support HDR10 technology (High dynamic range). HDMI signal transmission in standby mode is implemented in each of the devices. The RX-V4A 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-V4A. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The STR-DH590 supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the RX-V4A. Receivers do not have a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the RX-V4A. The setup assistant will help you configure Yamaha RX-V4A.
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.