The Onkyo TX-SR353 vs Denon AVR-X4100W comparison proves that these receivers have many common features.
A significant difference between the receivers in the number of channels, Onkyo TX-SR353 has 5.1 versus 7.2 for Denon AVR-X4100W. Regarding power, then TX-SR353 has such a W/Ohm ratio - 140/6 when AVR-X4100W has a power of 125/8, 165/6. The THD is 0.08% for the TX-SR353 but 0.05% for the AVR-X4100W.
Competitors' digital to analog converter (DAC) is identical to 192 KHz/24-bit. Only the AVR-X4100W supports Bi-amping feature. The Denon AVR-X4100W 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.
HDR is not available on each model. HDMI signal transmission in standby mode is implemented in each of the devices. The AVR-X4100W can scale the input HDMI signal, unlike the TX-SR353. Dolby Vision technology found support only on the AVR-X4100W.
The Onkyo TX-SR353 has 4/1 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. The AVR-X4100W has a built-in phono stage for connecting a vinyl player. 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.