Here we show you our detailed AV receiver comparison of the Sony STR-ZA3100ES versus the Onkyo TX-RZ710. Both have 7.2 channel amplifiers. 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, STR-ZA3100ES has an overall score of 6.3 out of 10 vs 7.5 out of 10 for TX-RZ710.
The Onkyo TX-RZ710 is better receiver in this comparison - check Onkyo TX-RZ710 price.