it also depends a lot on how you treat your battery... if you keep it in your notebook all the time, even while running on AC it continiously charges/discharges ... decreasing it's lifespan considerably.... if you don't need it... take...
nope. the reason is the cool'n'quiet throttling, just as AIYYYY mentioned. The performance testing algorithm of the fable installer just reads the current windows CPU speed. it doesn't stress the cpu to get an accurate reading. pretty...