An affordable AV receiver is always a good option to consider, so Sony STR-DH790 vs Denon AVR-X6700H comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Sony STR-DH790 has 7.2 versus 11.2 for Denon AVR-X6700H. Regarding power, then STR-DH790 has such a W/Ohm ratio - 90/6 when AVR-X6700H has a power of 140/8, 175/6. The THD is 0.09% for the STR-DH790 but 0.05% for the AVR-X6700H. Both the STR-DH790 and the AVR-X6700H support Bi-amping. 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-X6700H 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 AVR-X6700H can scale the input HDMI signal, unlike the STR-DH790. The HDR standard - Dolby Vision is supported by these receivers.
The Sony STR-DH790 has 4/1 HDMI inputs/outputs versus 8/3 HDMI connectors of the Denon AVR-X6700H. The HDMI Audio Return Channel (ARC) feature supports both devices. HDMI eARC is available in each model. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The STR-DH790 supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the AVR-X6700H. The AVR-X6700H has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the AVR-X6700H. Both STR-DH790 and AVR-X6700H can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.