An affordable AV receiver is always a good option to consider, so Sony STR-DH590 vs Denon AVR-S650H 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 AVR-S650H has a power of 75/8, 100/6. The THD is 0.09% for the STR-DH590 but 0.08% for the AVR-S650H.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/32-bit for STR-DH590 and AKM 192 KHz/32-bit for the AVR-S650H. None of the models support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Denon AVR-S650H can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the AVR-S650H 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 competitors are not able to scale the HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.
The Sony STR-DH590 has 4/1 HDMI inputs/outputs versus 5/1 HDMI connectors of the Denon AVR-S650H. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the AVR-S650H. 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 AVR-S650H. The AVR-S650H has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the AVR-S650H. The setup assistant will help you configure Denon AVR-S650H.
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.