Option 1's gpu probably is better and that is what games focus on. Option 2 focus on the rest of the computers ability. The CPU upgrade would allow better performance while multitasking, and it is a quad core and has a significantly larger cache.
But do you think theirs a significant difference between AMD Radeon HD 7600 and 1GB AMD Radeon(TM) HD 7670M Graphics?
The laptop has 6GB 1600MHz DDR3 System Memory...