The Pioneer VSX-LX303 vs Cambridge Audio AXR100 comparison proves that these receivers have many common features.
A significant difference between the receivers in the number of channels, Pioneer VSX-LX303 has 9.2 versus 2.0 for Cambridge Audio AXR100. Regarding power, then VSX-LX303 has such a W/Ohm ratio - 100/8, 200/6 when AXR100 has a power of 100/8. The THD is 0.08% for the VSX-LX303 but 0.01% for the AXR100.
Characteristics of digital to analog converter (DAC) are different, AK4458 384 KHz/32-bit for VSX-LX303 and 192 KHz/32-bit for the AXR100. Only the VSX-LX303 supports Bi-amping feature. The Pioneer VSX-LX303 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. Only the VSX-LX303 supports Spotify. Only the VSX-LX303 provides HDMI signal transmission in standby mode. The VSX-LX303 can scale the input HDMI signal, unlike the AXR100. Dolby Vision technology found support only on the VSX-LX303. Only the VSX-LX303 supports HDMI Audio Return Channel (ARC). Unfortunately, HDMI eARC is not available on monitored devices. Of the two receivers in our comparison, HDMI CEC is present in only the VSX-LX303. These compared receivers have a built-in phono stage for connecting a vinyl player. An ECO mode is not present in each of the AV receivers. The setup assistant will help you configure Pioneer VSX-LX303.
Only the VSX-LX303 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the VSX-LX303.