Ennek tükrében nagy megváltást ne várj tőle.
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Things are more complicated. According to my research, 3090, 3090 Ti, 4090 will not benefit from Re-Bar due to the bigger VRAM capacity, on the contrary - there will be performance decrease by average fps and 1%/0.1% lows in many games like COD:MWII, Dead Space Remake. If you have a GPU with less than 16Gb, you will benefit, but again, it applies not for all cases.
I highly recommend disabling it on GPUs with 16Gb+ VRAM.
upd. After comparing several games, the results are contradictory. RDRII shows different results each time with 1%lows improved and max fps decreased with Re-Bar On; Forza Horizon 5 will definitely benefit in average fps by 10~, but CPU utilization got worse along with overall GPU load - 99.9% with Re-Bar OFF and 97-99% with Re-Bar on.
upd2. Cyberpunk 2077 will benefit in 5-10 FPS with 3090Ti@1440P with Rebar enabled and no benefit at all with 4090@4K (check my profile)."