This is a review and detailed comparison of Denon AVR-X8500HSP vs Marantz SR8015. The AVR-X8500HSP has 13.2 channels amplifier and the SR8015 11.2 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, AVR-X8500HSP has an overall score of 9.6 out of 10 vs 9.8 out of 10 for SR8015.