The Yamaha RX-V671 vs Denon AVR-X4100W comparison proves that these receivers have many common features.
A significant difference between the receivers in the number of channels, Yamaha RX-V671 has 7.1 versus 7.2 for Denon AVR-X4100W. Regarding power, then RX-V671 has such a W/Ohm ratio - 90/8, 150/4 when AVR-X4100W has a power of 125/8, 165/6. The THD is 0.09% for the RX-V671 but 0.05% for the AVR-X4100W.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 192 KHz/24-bit for RX-V671 and 192 KHz/24-bit for the AVR-X4100W. Both the RX-V671 and the AVR-X4100W 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 AVR-X4100W can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the AVR-X4100W supports Spotify. The RX-V671 can work with the audio stream from Napster, and the AVR-X4100W can receive a content from Pandora, SiriusXM.
HDR is not available on each model. 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 AVR-X4100W.
The Yamaha RX-V671 has 6/1 HDMI inputs/outputs versus 8/3 HDMI connectors of the Denon AVR-X4100W. 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. 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 AVR-X4100W. A voice control is not available. An ECO mode is only available for the AVR-X4100W. The setup assistant will help you configure Denon AVR-X4100W.
Only the AVR-X4100W has a Dolby Atmos multichannel audio format support. The receivers do not support the surround sound technology DTS:X.