Denon HEOS AVR vs Onkyo TX-8270 – that is a question.
The number of channels for receivers is different - 5.1 versus 2.0, respectively, for devices. In terms of power, there are differences, the HEOS AVR has such a ratio W/Ohm - 50/8, 65/6, while the TX-8270 has a power of 160/6. The value of total harmonic distortion is also different, and for the HEOS AVR it is 0.05%, but for the TX-8270 it is 0.08%. None of the compared opponents supports Bi-amping. Both Denon HEOS AVR 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. Each of the receivers has a Bluetooth connector. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Denon HEOS AVR works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, but the Onkyo TX-8270 works with Deezer, TIDAL, TuneIn Radio.
Support for the HDR function can only boast of the TX-8270. The quality of 4K/60Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. HDMI signal transmission in standby mode can provide only the HEOS AVR. 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.
The number of HDMI inputs/outputs is the same - 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the HEOS AVR and the TX-8270. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. HEOS AVR and TX-8270 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Onkyo TX-8270. 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.