An affordable AV receiver is always a good option to consider, so Denon HEOS AVR vs Yamaha RX-A3070BL comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Denon HEOS AVR has 5.1 versus 9.2 for Yamaha RX-A3070BL. Regarding power, then HEOS AVR has such a W/Ohm ratio - 50/8, 65/6 when RX-A3070BL has a power of 165/8. The THD is 0.05% for the HEOS AVR but 0.06% for the RX-A3070BL. Only the RX-A3070BL supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Both models have the ability to connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Spotify can be used on each receiver. The HEOS AVR can work with the audio stream from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, and the RX-A3070BL can receive a content from Deezer, TIDAL, Pandora, Sirius XM, Napster. 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 RX-A3070BL can scale the input HDMI signal, unlike the HEOS AVR. Dolby Vision technology found support only on the RX-A3070BL.
The Denon HEOS AVR has 4/1 HDMI inputs/outputs versus 8/2 HDMI connectors of the Yamaha RX-A3070BL. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. The RX-A3070BL has a built-in phono stage for connecting a vinyl player. The HEOS AVR supports voice control via Amazon Alexa, Google Assistant, and the RX-A3070BL - Amazon Alexa. An ECO mode is only available for the RX-A3070BL. The setup assistant will help you configure Yamaha RX-A3070BL.
Only the RX-A3070BL has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the RX-A3070BL.