call of duty advanced warfare SP is unplayable it keeps freeze every halp sec it is like playing the game in slow motion why?

sosolola

Reputable
Nov 1, 2014
328
0
4,790
while play the game in SP no online
the game is unplayable
as I said it is like playing the game in slow motion with freezing every half second then back normal then lag then bak normal
I cant even shot or move with that lag
why ?

cpu i5 3570k
16 giga ram
sapphire radeon hd 6770 1g

mu gpu meet the minimum req

amd driver 14.4