It makes sense comparing Pioneer SC-LX801 vs Onkyo TX-NR595 because they both are able to give some premium features.
A significant difference between the receivers in the number of channels, Pioneer SC-LX801 has 9.2 versus 7.2 for Onkyo TX-NR595. Regarding power, then SC-LX801 has such a W/Ohm ratio - 140/8 20Hz-20KHz, 200/6 1KHz, 255/4 1KHz when TX-NR595 has a power of 80/8 20Hz-20KHz, 170/6 1KHz. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, ESS SABRE32 Ultra 192 KHz/32-bit for SC-LX801 and AKM 384 KHz/32-bit for the TX-NR595. Both the SC-LX801 and the TX-NR595 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 Pioneer SC-LX801 has support for AirPlay, and its competitor in our comparison - AirPlay, AirPlay 2. Spotify can be used on each receiver. The SC-LX801 can work with the audio stream from Deezer, TIDAL, Pandora, and the TX-NR595 can receive a content from Deezer, TIDAL, Pandora, TuneIn Radio.
Both AV receivers support HDR10 technology (High dynamic range). 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-LX801 has 8/2 HDMI inputs/outputs versus 6/2 HDMI connectors of the Onkyo TX-NR595. 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 SC-LX801 supports 3 Multi-room zones, versus 2 for the TX-NR595. An ECO mode is not present in each of the AV receivers. Both SC-LX801 and TX-NR595 can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.
The Pioneer SC-LX801 is better receiver in this comparison. Check Pioneer SC-LX801 price