The Pioneer SC-LX501 vs Denon AVR-X4100W comparison proves that these receivers have many common features.
Considered AV receivers have the same number of channels 7.2. Regarding power, then SC-LX501 has such a W/Ohm ratio - 120/8 20Hz-20KHz, 180/6 1KHz when AVR-X4100W has a power of 125/8 20Hz-20KHz, 165/6 1KHz. The THD is 0.08% for the SC-LX501 but 0.05% for the AVR-X4100W.
Characteristics of digital to analog converter (DAC) are different, AK4458 384 KHz/32-bit for SC-LX501 and 192 KHz/24-bit for the AVR-X4100W. Both the SC-LX501 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. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay. Spotify can be used on each receiver. The SC-LX501 can work with the audio stream from Deezer, TIDAL, Pandora, TuneIn Radio, and the AVR-X4100W can receive a content from Pandora, SiriusXM.
Only the Pioneer SC-LX501 has support for High dynamic range (HDR). Compared AV receivers retain the quality of 4K 60p 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 Pioneer SC-LX501 has 7/2 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 SC-LX501 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. Both SC-LX501 and AVR-X4100W can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. A surround technology DTS:X is supported only by the SC-LX501.
The Pioneer SC-LX501 is better receiver in this comparison. Check Pioneer SC-LX501 price