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My first attempt, I'm quite new to this but I think it looks to be CPU limited at 2560x1440? Also I think the 350w power limit on the Palit will be a limiting factor since it was hitting the power target max during this run. Would trying to squeeze more out of the CPU help here?
3900X @ stock
Palit 3090 Gaming Pro @ 1950/10461 (as shown in the Palit Thundermaster app)
456.71 drivers
2560x1440
GPU 163
Min 140
Try overclocking a bit and see if it makes an improvement. Check the CPU usage during benchmark too. I wouldn't have thought you were bottlenecked.
I notice you have motion blur off too. I put mine on because all the benches seem to have it on short.