Counting the cpu's improvements, I'm guessing 5-8C thanks in large part to the very uneven nickel plated finish I was dealing with.

Here it is after a few quick 600 grit sessions.


Then a few more...


x6 4.3 ghz Wprime, 43C


If I showed you the quad core temps, you wouldn't believe me.

@Jay_Pal Tyvm

Not bad at all considering I went straight to the 2000 grit after I ran out of the 600s. lol