cpu upgrade for gaming

Mar 30, 2018
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Hey guys!
I Got a laptop Thats is starting to run a bit slow on the cpu. anyone here that knows the best cpu i can upgrade for it?
I Got an GE72 6QF Apache pro.
there is an i5 6300hg in it now.

I was thinking About the i7-8700k, but its next generation.
but i'm not sure if it can run the i7-7700?