Sony STRZA1100ES vs Yamaha R-N803BL comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Sony STRZA1100ES has 7.2 versus 2.0 for Yamaha R-N803BL. Regarding power, then STRZA1100ES has such a W/Ohm ratio - 70/8, 90/6 when R-N803BL has a power of 100/8, 160/4. The THD is 0.09% for the STRZA1100ES but 0.01% for the R-N803BL. Only the STRZA1100ES supports Bi-amping feature. 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. Only the R-N803BL supports Spotify. Only the STRZA1100ES provides HDMI signal transmission in standby mode. The STRZA1100ES can scale the input HDMI signal, unlike the R-N803BL. Dolby Vision technology found support only on the STRZA1100ES. Only the STRZA1100ES supports HDMI Audio Return Channel (ARC). The HDMI eARC is available only on the STRZA1100ES. Of the two receivers in our comparison, HDMI CEC is present in only the STRZA1100ES. The R-N803BL has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the R-N803BL. The setup assistant will help you configure Sony STRZA1100ES.
Only the STRZA1100ES has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the STRZA1100ES.