You would be best to look up reviews comparing them for your needs. For my needs the 4090 cuts ray tracing rendering times in half for what I do in Blender com

You would be best to look up reviews comparing them for your needs. For my needs the 4090 cuts ray tracing rendering times in half for what I do in Blender compared to the 3090 I have right now. I can't justify buying a 4090 right now so I will get the speed upgrade in a couple years.