An affordable AV receiver is always a good option to consider, so Sony STR-DH790 vs Onkyo TX-SR393 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Sony STR-DH790 has 7.2 versus 5.2 for Onkyo TX-SR393. Regarding power, then STR-DH790 has such a W/Ohm ratio - 90/6 when TX-SR393 has a power of 80/8, 155/6. The THD is 0.09% for the STR-DH790 but 0.08% for the TX-SR393.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/24-bit for STR-DH790 and AKM 384 KHz/32-bit for the TX-SR393. Only the STR-DH790 supports Bi-amping feature. The Sony STR-DH790 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. Each of these units does not support Apple Music. Competitors do not have built-in Spotify service.
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 TX-SR393 can scale the input HDMI signal, unlike the STR-DH790. 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 STR-DH790. 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. A voice control is not available. An ECO mode is not present in each of the AV receivers. The setup assistant will help you configure Sony STR-DH790.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.