Which is better for gaming and why?

Dusty Swag

Estimable
Jul 16, 2014
2
0
4,510
Intel® Core™ i7 3632QM + AMD Radeon HD 8570M

or

Intel® Core™ i7 4500U + AMD Radeon HD 8850M

Which one?
 
the 8850M. The GPU is very close to a gtx 660M.
the 8570M on its own is equal to a 620-630M - its a really bad card.
 


Thank you.