Yamaha RX-A880 vs Yamaha RX-A1070BL comparison definitely makes sense.
Considered AV receivers have the same number of channels 7.2. Regarding power, then RX-A880 has such a W/Ohm ratio - 100/8 20Hz-20KHz, 160/4 1KHz when RX-A1070BL has a power of 110/8 20Hz-20KHz. The THD is the same and is 0.06%.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 384 KHz/32-bit for RX-A880 and ESS 192 KHz/24-bit for the RX-A1070BL. Both the RX-A880 and the RX-A1070BL 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 Yamaha RX-A880 has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. The RX-A880 can work with the audio stream from Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz, and the RX-A1070BL can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM. Compared AV receivers retain the quality of 4K 60p 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 Yamaha RX-A880 has 7/2 HDMI inputs/outputs versus 8/2 HDMI connectors of the Yamaha RX-A1070BL. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the RX-A880. 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 2 Multi-room zones. The RX-A880 supports voice control via Amazon Alexa, Google Assistant, and the RX-A1070BL - Amazon Alexa. It is also worth noting that the ECO mode is presented in each of the receivers. Both RX-A880 and RX-A1070BL 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.
The Yamaha RX-A880 is better receiver in this comparison. Check Yamaha RX-A880 price