Yamaha RX-V675 vs Denon AVR-X2400H comparison definitely makes sense.
Considered AV receivers have the same number of channels 7.2. Regarding power, then RX-V675 has such a W/Ohm ratio - 90/8, 150/4 when AVR-X2400H has a power of 95/8, 125/6. The THD is 0.09% for the RX-V675 but 0.08% for the AVR-X2400H.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 192 KHz/24-bit for RX-V675 and 192 KHz/24-bit for the AVR-X2400H. Only the RX-V675 supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Denon AVR-X2400H can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Yamaha RX-V675 has support for AirPlay, and its competitor in our comparison - AirPlay, AirPlay 2. Spotify can be used on each receiver. The RX-V675 can work with the audio stream from Napster, and the AVR-X2400H can receive a content from Deezer, TIDAL, iHeart Radio, Sirius XM, Sound Cloud, Napster.
Only the Denon AVR-X2400H has support for High dynamic range (HDR). 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 RX-V675 can scale the input HDMI signal, unlike the AVR-X2400H. The HDR standard - Dolby Vision is supported by these receivers.
The Yamaha RX-V675 has 6/1 HDMI inputs/outputs versus 8/2 HDMI connectors of the Denon AVR-X2400H. 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. Receivers do not have a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. It is also worth noting that the ECO mode is presented in each of the receivers. The setup assistant will help you configure Denon AVR-X2400H.
Only the AVR-X2400H has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the AVR-X2400H.