An affordable AV receiver is always a good option to consider, so Sony STR-DH590 vs Denon AVR-X3800H comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Sony STR-DH590 has 5.2 versus 9.4 for Denon AVR-X3800H. Regarding power, then STR-DH590 has such a W/Ohm ratio - 145/6 when AVR-X3800H has a power of 105/8, 135/6. The THD is 0.09% for the STR-DH590 but 0.08% for the AVR-X3800H.
Competitors' digital to analog converter (DAC) is identical to 192 KHz/32-bit. Only the AVR-X3800H 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 AVR-X3800H supports Spotify.
HDMI signal transmission in standby mode is implemented in each of the devices. The AVR-X3800H can scale the input HDMI signal, unlike the STR-DH590. The HDR standard - Dolby Vision is supported by these receivers.
The Sony STR-DH590 has 4/1 HDMI inputs/outputs versus 6/3 HDMI connectors of the Denon AVR-X3800H. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the AVR-X3800H. 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-X3800H. The AVR-X3800H has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the AVR-X3800H. The setup assistant will help you configure Denon AVR-X3800H.
Only the AVR-X3800H has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the AVR-X3800H.