Y intel is performing better then amd in my case ?

faizy02

Honorable
Oct 21, 2012
25
0
10,530
Hello,
i have a hp dv6 laptop.When i play bfbc2 on intel's graphics i get very good frame rates but when i switch to amd ,the game gets lagging.can annyone tell what is wrong?
core i7 2670qm
4gb
7470m amd graphics