Quote Originally Posted by KGB7 View Post
sp1 changes the registers to 256bit instead of 128bit and linx utilizes this and puts a massive load on the cpu.
About 20% increase in CPU power by my reckoning so if Linpack with SSE used 100W of CPU power then with AVX that would go up to ~120W. Temperature wise if Linpack with SSE produced a 40C rise over idle you might expect ~48C rise with AVX (20% increase).