Yamaha RX-V685 is a 7.2 model, capable of delivering up to 90 W/channel at 4 Ohm, and compatible with Ultra HD 4K, HDR and Dolby Vision video. It stands out with a higher-performance 32-bit/384-kHz DAC and compatibility with Yamaha surround speakers and wireless subwoofers and this DAC provides a Bi-amping function that is an advantage in Yamaha RX-V685BL vs Sony STR-DN1080 comparison. Also, RX-V685 also supports Ultra HD videos in Dolby Vision HDR format, as well as BT.2020 color space. All HDMI 2.0 controllers are, of course, CEC compatible. Built-in Bluetooth allows wireless listening from a smartphone or computer.
The STR-DN1080 has the power is 165 W/channel, but at higher impedance versus RX-V685BL – 6 Ohm. The unit supports the latest multichannel audio formats: Dolby Atmos and DTS: X. And it is possible to set up a 7.2 or 5.2.2 configuration with support for 3D sound. The STR-DN1080 features 6 HDMI 2.0 ports. Compatible with HDCP 2.2, they support 4K, 3D video and the latest HDR Dolby Vision, Hybrid Log-Gamma (HLG) and HDR10 standards. One of the highlights of this amp is the self-calibration system, it is based on the D.C.A.C EX which ensures high accuracy of sound reproduction.
The Yamaha RX-V685BL is better receiver in this comparison. Check Yamaha RX-V685BL price