Cycles AMD HIP device feedback

Blender opendata now supports 3.0 and HIP so I made a little chart to gauge performance.

Warning about the following chart:

  • Opendata has very few entries for 3.0.1 at the moment
  • Opendata by design has multiple uncontrolled variables between samples
  • I removed laptop and pro GPU’s
  • There are no bad GPU’s only bad prices, pricing data will fluctuate and differ between regions
  • There could be errors, I didn’t check it and I’m not a statistician.

Warnings aside there is a clear indication that HIP performs considerably worse per dollar than Optix on recent cards. At the extremes of the chart you could replace a RX 6800 with a RTX 2060 pocket $700 and have a card that renders about 20% faster…

To link this back the thread topic the feedback is HIP and Blender are a poor fit, is it time to consider another approach?

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