@ALAA12
Your temps are ok. Considering it's summer, I don't rec opening a new card for changing thermal paste.
Oh btw, what's your CPU temp? may be change thermal paste on that instead!
Required PSU for
3060Ti is 600w (choose specs, view full specs), so it's probably you're psu bottlenecked.
Do you have another system to test this card? Like a friend with better cpu/psu to try your card?
Download 3DMark Basic edition for Windows- 3DMark is the world's most popular benchmark, this update adds the new DirectX 12 Time Spy and Nomad Steel benchmark. This version includes different tests, each designed for a specific type of hardware ranging from smartphones to high-performance...
www.guru3d.com
Download this and post a screenshot of your score.
Did you try this? If download size is too much,
try this. So we know your game settings is not affecting the results.
Also do this:
Trying changing game settings in RDR2 which are cpu heavy while keeping gpu in ultra.
for example: shadow distance, particle quality, water reflection....
use Vulkan in advanced graphics.
That's what you should get with i7 8700k and 3060 on 1080p Ultra.
That's a tiny bit better CPU with a bit lower gpu:
Notice his tessellation quality is high, not ultra.