Popiepie

I've been facing a weird problem i can easily get 60 fps on very high settings in battlfield 1 and Just Cause 3 but the reason i bought this laptop was to get 1000fps in cod4 but i can't get 500 and my gpu usage is 30-40% integrated graphics usage 99% some people said that change to win7 but is there any other possible solution i've tried all nivida control panel possible solutions but still my gpu usage is maximum 30-40% help!!