What is better - Yamaha RX-V671 vs Yamaha RX-A2070?
The number of channels for receivers is different - 7.1 versus 9.2, respectively, for devices. In terms of power, there are differences, the RX-V671 has such a ratio W/Ohm - 90/8, 150/4, while the RX-A2070 has a power of 140/8. The value of total harmonic distortion is also different, and for the RX-V671 it is 0.09%, but for the RX-A2070 it is 0.06%.
The manufacturer installed different DACs, the RX-V671 received the model Burr-Brown 192 KHz/24-bit, but the RX-A2070 is equipped with ESS 192 KHz/24-bit. Each of the compared opponents supports Bi-amping. Both Yamaha RX-V671 and Yamaha RX-A2070 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet connection via WIFI is only possible with RX-A2070. Each of the receivers has a Bluetooth connector. The RX-A2070 has access to the Spotify service. The number of available streaming services varies for receivers, the Yamaha RX-V671 works with Napster, but the Yamaha RX-A2070 works with Deezer, TIDAL, Pandora, Napster, SiriusXM. The quality of 4K/60Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the RX-V671 and the RX-A2070. Each of the devices can increase the resolution of the incoming video signal. Operation with the Dolby Vision is only possible with the RX-A2070.
The number of HDMI inputs/outputs varies depending on the receiver, the RX-V671 has 6/1, and the RX-A2070 has 8/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the RX-V671 and the RX-A2070. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The RX-V671 has support for the standard HDCP 2.2, compared to the RX-A2070, which supports the standard HDCP 2.3. Like most receivers, our models have a built-in phono stage for connecting a vinyl player.
Unlike the RX-V671 where 2 Multi zones is provided, the RX-A2070 works with 3 Multi zones. There is an ECO mode in RX-A2070. The Yamaha RX-A2070 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the RX-A2070. Only in the RX-A2070 realized a DTS:X surround technology.