Question 4070 Ti and Ryzen 7 5800x performing lower than expected

Jun 6, 2023
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So my pc spec is as followed :
GPU : PNY Verto 4070 Ti
CPU : Ryzen 7 5800x
MOTHERBOARD : MSI B550M PRO
PSU : 750W GOLD 80+ MONTECH
RAM : KLEVV 3200MHZ 8 X 2 16GB
with a 256 gig ssd and 1tb hdd
CPU COOLER : DeepCool AK500

So my performance when playing rdr2 is considerably low only hitting 100 or 110 fps on ultra settings 1080p and fps dips on more intensive places at 75 -90 fps, and performance on 1440p is the exact same. After seeing benchmarks on a similar system, ive noticed that my performance is considerably lower. I really need help on this, is my system bottlenecking ? Or is this a software issue ?