Pioneer VSX-1131 vs Denon AVR-S510BT comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Pioneer VSX-1131 has 7.2 versus 5.2 for Denon AVR-S510BT. Regarding power, then VSX-1131 has such a W/Ohm ratio - 100/8, 170/6 when AVR-S510BT has a power of 75/8, 110/6. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, AK4458 384 KHz/32-bit for VSX-1131 and 192 KHz/32-bit for the AVR-S510BT. Only the VSX-1131 supports Bi-amping feature. The Pioneer VSX-1131 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. Only the VSX-1131 supports Spotify.
Only the Pioneer VSX-1131 has support for High dynamic range (HDR). Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The VSX-1131 can scale the input HDMI signal, unlike the AVR-S510BT. Dolby Vision technology found support only on the VSX-1131.
The Pioneer VSX-1131 has 7/2 HDMI inputs/outputs versus 5/1 HDMI connectors of the Denon AVR-S510BT. Only the VSX-1131 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-1131. Both models support the standard HDCP 2.2. The VSX-1131 has a built-in phono stage for connecting a vinyl player. A voice control is not available. An ECO mode is not present in each of the AV receivers. Both VSX-1131 and AVR-S510BT can be configured using the Setup assistant.
Only the VSX-1131 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the VSX-1131.
The Pioneer VSX-1131 is better receiver in this comparison. Check Pioneer VSX-1131 price