Onkyo TX-SR383 vs Denon AVR-S940H comparison definitely makes sense.
Considered AV receivers have the same number of channels 7.2. Regarding power, then TX-SR383 has such a W/Ohm ratio - 100/8, 135/6 when AVR-S940H has a power of 90/8, 125/6. The THD is 0.09% for the TX-SR383 but 0.08% for the AVR-S940H.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/24-bit for TX-SR383 and 192 KHz/32-bit for the AVR-S940H. None of the models support Bi-amping. The Denon AVR-S940H can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Denon AVR-S940H can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the AVR-S940H 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. The AVR-S940H can scale the input HDMI signal, unlike the TX-SR383. Dolby Vision technology found support only on the AVR-S940H.
The Onkyo TX-SR383 has 4/1 HDMI inputs/outputs versus 8/2 HDMI connectors of the Denon AVR-S940H. 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-S940H has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. An ECO mode is only available for the AVR-S940H. The setup assistant will help you configure Denon AVR-S940H.
Only the AVR-S940H has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the AVR-S940H.