Onkyo TX-RZ630 was introduced in 2018. It is equipped with 9 channel amplifier with 90 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) power per channel and is capable of 9.1 maximum channel processing. It supports Dolby Atmos and DTS:X, passes 4K/60Hz video signal.
We evaluated the a/v receiver and gave 89 overall score out of 100. Our ranking system is based on the amplifier specifications, audio and video features, connectivity, multizone capabilities, radio and many other details.
For more details about the ranking please go to Evaluation section.
Here is a history of the series, where you can view and compare the main specifications of the receivers.
You can view their side-by-side comparison here: Onkyo TX-RZ630 vs TX-RZ620 vs TX-RZ610.