An affordable AV receiver is always a good option to consider, so Marantz SR6014 vs Yamaha RX-A3070BL comparison definitely makes sense.
Considered AV receivers have the same number of channels 9.2. Regarding power, then SR6014 has such a W/Ohm ratio - 110/8, 185/6 when RX-A3070BL has a power of 165/8. The THD is 0.08% for the SR6014 but 0.06% for the RX-A3070BL.
Characteristics of digital to analog converter (DAC) are different, AK4458 384 KHz/32-bit for SR6014 and ESS SABRE PRO 192 KHz/24-bit for the RX-A3070BL. Both the SR6014 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 SR6014 has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. The SR6014 can work with the audio stream from Deezer, TIDAL, Pandora, TuneIn Radio, iHeart Radio, and the RX-A3070BL can receive a content from Deezer, TIDAL, Pandora, Sirius XM, Napster.
Both AV receivers support HDR10 technology (High dynamic range). 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 SR6014 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 SR6014. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The SR6014 supports the protection of digital content of the standard HDCP 2.3, versus HDCP 2.2 in the RX-A3070BL. These compared receivers have a built-in phono stage for connecting a vinyl player.
The SR6014 supports 2 Multi-room zones, versus 3 for the RX-A3070BL. The SR6014 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 SR6014 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.