To find out how the various GPUs compare against each other, please check out our "Benchmark Results" thread here: https://www.redshift3d.com/forums/viewthread/12843 We also recommend reading the "Hardware Considerations for Redshift" document here: https://docs.google.com/document/d/1rP5nKyPQbPm-5tLvdeLgCt93rJGh4VeXyhzsqHR1xrI/edit?usp=sharing