An affordable AV receiver is always a good option to consider, so Marantz SR7012 vs Yamaha RX-A3070BL comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Marantz SR7012 has 11.2 versus 9.2 for Yamaha RX-A3070BL. Regarding power, then SR7012 has such a W/Ohm ratio - 125/8, 165/6 when RX-A3070BL has a power of 165/8. The THD is 0.05% for the SR7012 but 0.06% for the RX-A3070BL.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/24-bit for SR7012 and ESS SABRE PRO 192 KHz/24-bit for the RX-A3070BL. Both the SR7012 and the RX-A3070BL support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. The Marantz SR7012 has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. The SR7012 can work with the audio stream from Deezer, TIDAL, Pandora, 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. Both rivals can scale the resolution of the incoming HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.
The Marantz SR7012 has 8/3 HDMI inputs/outputs versus 8/2 HDMI connectors of the Yamaha RX-A3070BL. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the SR7012. 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. 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 SR7012 supports voice control via Amazon Alexa, Google Assistant, Siri, Josh.AI, and the RX-A3070BL - Amazon Alexa. It is also worth noting that the ECO mode is presented in each of the receivers. Both SR7012 and RX-A3070BL 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.