Question I think my GPU is underperforming

Apr 25, 2020
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[Sorry if my English is not very good]
I recently (6 months ago) bought a RTX 2070 SUPER. I saw benchmarks on YouTube and everything seemed fine. So I have like from 60 to 40 FPS in GTA 5/ONLINE on ultra. On the benchmarks they have like 100-120 fps on ultra. Its not only GTA, its Hitman, WatchDogs 2(I know the game is poorly optimised and it is for better cpu), Sniper Elite 4 and more. My PC specs:
I5 9600K 5GHZ OVERCLOCKED
RTX 2070 SUPER GIGABYTE GAMING OC
16GB RAM 8x2 3200hz
2TB HDD
500GB SSD M.2
GIGABYTE Z390 UD

Thanks in advance!
 

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