Onkyo TX-8020 vs Onkyo TX-8270 – that is a question.
AV receivers under review have the same number of channels. In terms of power, there are differences, the TX-8020 has such a ratio W/Ohm - 90/6, while the TX-8270 has a power of 160/6. The value of total harmonic distortion is also different, and for the TX-8020 it is 0.03%, but for the TX-8270 it is 0.08%.
The manufacturer installed different DACs, the TX-8020 received the model 192 KHz/24-bit, but the TX-8270 is equipped with AK4438 384 KHz/32-bit. None of the compared opponents supports Bi-amping. Both Onkyo TX-8020 and Onkyo TX-8270 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. None of the AV receivers have an auto speaker calibration support. There is a Bluetooth protocol at the TX-8270. Both devices can work with such Apple Music services: AirPlay. The TX-8270 has access to the Spotify service.
Support for the HDR function can only boast of the TX-8270. HDMI signal transmission in standby mode is not possible with these models. None of the devices can increase the resolution of the incoming video signal. Operation with the Dolby Vision is only possible with the TX-8270. HDMI Audio Return Channel is only available on Onkyo TX-8270. HDMI eARC is not supported by the TX-8020 and the TX-8270. When comparing receivers, it becomes clear that only the Onkyo TX-8270 has HDMI CEC. Like most receivers, our models have a built-in phono stage for connecting a vinyl player. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in neither AV receiver. The Onkyo TX-8270 can be properly configured using the setup assistant.
Generally no support for a Dolby Atmos multichannel audio format. A DTS:X surround technology is not supported by devices from our comparison.