This little test shows more while multiboxing comparing what you can expect from a 2500K vs a 2600K @ 4.6GHz. Granted it's while 10-boxing but, that just means you're allowed more head room for better video settings while 5-boxing.
Which program are you using to monitor heat? Here are my temps @ 4.8GHz on aftermarket air cooling (not what I would call good temps for everyday use):
There is no way that you're running 5.1GHz at 1.31 volts. You can see in the pic below that while I'm under load at 4.4GHz I'm using 1.29v:
That would mean that it takes you .02v more to reach the golden overclocking number of 5GHz -- No way. I had to pump 1.45v into my chip to get IBT to do a single pass @ 4.8GHz. I already know that I don't have a "cherry" chip but, my results aren't that bad. These are, for the most part, typical results:
https://spreadsheets.google.com/pub?...0E&w=100&h=375
And that's exactly why I made this post. I'm definitely not saying don't have fun with your hardware. If you can easily afford a replacement, live it up and do what you want! However, the way I read your initial post in this thread was that 5GHz is common on a voltage that most hardware people would consider 'safe' for every day use... when it isn't.
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