Yamaha RX-V671 vs Denon AVRX6300H comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Yamaha RX-V671 has 7.1 versus 11.2 for Denon AVRX6300H. Regarding power, then RX-V671 has such a W/Ohm ratio - 90/8, 150/4 when AVRX6300H has a power of 140/8, 175/6. The THD is 0.09% for the RX-V671 but 0.05% for the AVRX6300H.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 192 KHz/24-bit for RX-V671 and 192 KHz/32-bit for the AVRX6300H. Both the RX-V671 and the AVRX6300H support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Denon AVRX6300H can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the AVRX6300H supports Spotify. The RX-V671 can work with the audio stream from Napster, and the AVRX6300H can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud.
Only the Denon AVRX6300H 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. Both rivals can scale the resolution of the incoming HDMI signal. Dolby Vision technology found support only on the AVRX6300H.
The Yamaha RX-V671 has 6/1 HDMI inputs/outputs versus 8/3 HDMI connectors of the Denon AVRX6300H. 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. These compared receivers have a built-in phono stage for connecting a vinyl player.
The RX-V671 supports 2 Multi-room zones, versus 3 for the AVRX6300H. An ECO mode is only available for the AVRX6300H. The setup assistant will help you configure Denon AVRX6300H.
Only the AVRX6300H has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the AVRX6300H.