An affordable AV receiver is always a good option to consider, so Sony STR-DH590 vs Denon AVR-S740H 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 Denon AVR-S740H. Regarding power, then STR-DH590 has such a W/Ohm ratio - 145/6 when AVR-S740H has a power of 75/8, 110/6. The THD is 0.09% for the STR-DH590 but 0.08% for the AVR-S740H.
Competitors' digital to analog converter (DAC) is identical to 192 KHz/32-bit. 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-S740H can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the AVR-S740H supports Spotify. 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 6/1 HDMI connectors of the Denon AVR-S740H. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. 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 AVR-S740H has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the AVR-S740H. The setup assistant will help you configure Denon AVR-S740H.
Only the AVR-S740H has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the AVR-S740H.