An affordable AV receiver is always a good option to consider, so Yamaha AVENTAGE RX-A3080 vs Denon AVR-X6700H comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Yamaha AVENTAGE RX-A3080 has 9.2 versus 11.2 for Denon AVR-X6700H. Regarding power, then AVENTAGE RX-A3080 has such a W/Ohm ratio - 150/8, 230/4 when AVR-X6700H has a power of 140/8, 175/6. The THD is 0.06% for the AVENTAGE RX-A3080 but 0.05% for the AVR-X6700H. Both the AVENTAGE RX-A3080 and the AVR-X6700H support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay, AirPlay 2. Spotify can be used on each receiver. The AVENTAGE RX-A3080 can work with the audio stream from Deezer, TIDAL, Pandora, Sirius XM, Napster, Qobuz, and the AVR-X6700H can receive a content from Deezer, TIDAL, Pandora, SiriusXM, Qobuz, TuneIn Radio.
Both AV receivers support HDR10 technology (High dynamic range). HDMI signal transmission in standby mode is implemented in each of the devices. Both rivals can scale the resolution of the incoming HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.
The Yamaha AVENTAGE RX-A3080 has 7/3 HDMI inputs/outputs versus 8/3 HDMI connectors of the Denon AVR-X6700H. The HDMI Audio Return Channel (ARC) feature supports both devices. HDMI eARC is available in each model. 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 2.3. These compared receivers have a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 3 Multi-room zones. The AVENTAGE RX-A3080 supports voice control via Amazon Alexa, Google Assistant, and the AVR-X6700H - Amazon Alexa, Google Assistant, Siri, Josh.AI. It is also worth noting that the ECO mode is presented in each of the receivers. Both AVENTAGE RX-A3080 and AVR-X6700H can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.