A lot of stutters after patch 6.0.1

Product: Need for Speed: Unbound
Platform:PC
Summarize your bug After update to patch 6.0.1, game stutters a lot to the point where it unplayable also some artifacting.
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? I guess it is on my pc. Again it started happening after update to patch 6.0.1
What happens when the bug occurs? A lot of stutters, car moving slower visually and sound also stuttering as the game.
What do you expect to see? Well am not sure what is happening but i tried everything else and the game is not playable at the moment, So I would like play it as it was previously.

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Well after updating to patch 6.0.1, game stutters a lot to the point where it undriveable/undrivable because of it. There is also sometimes graphical artifacting, where as before the game was running great. Visually looks like the car is moving slower but as driving slow but the display is doing something. Also sound gets stuttery which adds to the experience that something is not running great. I know i am CPU bound but again previously it was running great.

Also i tried other games such as battlefield 1 where it is running great.