Denon AVR-X6500H vs Denon AVR-S940H comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Denon AVR-X6500H has 11.2 versus 7.2 for Denon AVR-S940H. Regarding power, then AVR-X6500H has such a W/Ohm ratio - 140/8, 175/6 when AVR-S940H has a power of 90/8, 125/6. The THD is 0.05% for the AVR-X6500H but 0.08% for the AVR-S940H.
Competitors' digital to analog converter (DAC) is identical to 192 KHz/32-bit. Only the AVR-X6500H supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Both models have the ability to connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay, AirPlay 2. Spotify can be used on each receiver. The AVR-X6500H can work with the audio stream from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, Mood Mix, and the AVR-S940H can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud.
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. Both rivals can scale the resolution of the incoming HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.
The Denon AVR-X6500H has 8/3 HDMI inputs/outputs versus 8/2 HDMI connectors of the Denon AVR-S940H. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the AVR-X6500H. 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. These compared receivers have a built-in phono stage for connecting a vinyl player.
The AVR-X6500H supports 3 Multi-room zones, versus 2 for the AVR-S940H. Supported voice control technologies are identical - Amazon Alexa, Google Assistant, Siri, Josh.AI. It is also worth noting that the ECO mode is presented in each of the receivers. Both AVR-X6500H and AVR-S940H 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.