It makes sense comparing Yamaha R-N803BL vs Onkyo TX-8020 because they both are able to give some premium features.
Considered AV receivers have the same number of channels 2.0. Regarding power, then R-N803BL has such a W/Ohm ratio - 100/8, 160/4 when TX-8020 has a power of 90/6. The THD is 0.01% for the R-N803BL but 0.03% for the TX-8020.
Characteristics of digital to analog converter (DAC) are different, ESS SABRE (9006AS) 192 KHz/24-bit for R-N803BL and 192 KHz/24-bit for the TX-8020. None of the models support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Yamaha R-N803BL can connect to the Internet via WI-FI. Only the R-N803BL has Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay. Only the R-N803BL supports Spotify.
HDR is not available on each model. Compared AV receivers are not able to transmit a 4K signal from the source to the TV or projector. HDMI signal transmission in standby mode is not supported by each device. Both competitors are not able to scale the HDMI signal. The HDR standard - Dolby Vision is not supported by these receivers. The HDMI Audio Return Channel (ARC) does not support any one of these models. Unfortunately, HDMI eARC is not available on monitored devices. The models in our review do not support the HDMI CEC function. These compared receivers have a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the R-N803BL. Unfortunately, the setup assistant is not available in each of the models.
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.
The Yamaha R-N803BL is better receiver in this comparison. Check Yamaha R-N803BL price