An affordable AV receiver is always a good option to consider, so Pioneer VSX-532 vs Onkyo TX-8140 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Pioneer VSX-532 has 5.1 versus 2.0 for Onkyo TX-8140. Regarding power, then VSX-532 has such a W/Ohm ratio - 80/8 20Hz-20KHz, 150/6 1KHz when TX-8140 has a power of 80/8 20Hz-20KHz, 110/6 1KHz. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/24-bit for VSX-532 and AK4458 384 KHz/32-bit for the TX-8140. Only the VSX-532 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 Onkyo TX-8140 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Each of these units does not support Apple Music. Only the TX-8140 supports Spotify. Only the VSX-532 provides HDMI signal transmission in standby mode. Both competitors are not able to scale the HDMI signal. The HDR standard - Dolby Vision is not supported by these receivers. Only the VSX-532 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-532. The TX-8140 has a built-in phono stage for connecting a vinyl player. A voice control is not available. An ECO mode is only available for the VSX-532. The setup assistant will help you configure Onkyo TX-8140.
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.
The Onkyo TX-8140 is better receiver in this comparison. Check Onkyo TX-8140 price