Dec 06, 2019
This 7.2-channel AVENTAGE network AV receiver features Dolby Atmos and DTS:X for surround sound realism. With the latest in HDMI technologies, experience movies in stunning 4K Ultra HD and high dynami...Read More
Here's an outline of the key differences: Onkyo TX-RZ3100 over the Yamaha RX-A870BL features. The TX-RZ3100 has 11.2 channels amplifier and the RX-A870BL 7.2 channels. Both receivers have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices. We have evaluated both AV receivers, TX-RZ3100 has an overall score of 8.2 out of 10 vs 8.3 out of 10 for RX-A870BL.
The Yamaha RX-A870BL is better receiver in this comparison - check Yamaha RX-A870BL price.