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Some 1 talked with intel have a read.

Can I just say that 1.52 will be for the default specified clocks. This says nothing about overclocks, current goes through the roof as you overclock (and thus risk). So that 1.52V is for people using the CPU in a cramped but sanctioned case (u know like those awful dell desktop enterprise ones), running std paste on a standard sink in Jamaica. That is, intel will be somewhat happy if that's what it took to get it stable.

I am going to *guess* that the current density at a 4.5Ghz OC maybe less than at 1.52V at stock. In short, disregard that 1.52V as a safe limit for OC'ing. It would be like taking manufactures stock RPM limits as relevant after Turbo-charging and Nitrous.
 
Considering the frequent use of "max safe voltage", and the problems inherent in defining that, the answer is meaningless. Temperature is not specified. Required lifespan is not specified. Motherboard and power supply characteristics are unknown. Only one voltage is even being asked about.

The best you could hope to receive as an answer is the voltage above which, however briefly reached, severe damage is expected under most circumstances. The guy asking that is going to go off and push 1.5V vcore in the bios with no understanding that he's received a stupid answer to a stupid question.

edit: For the automotively inclined who don't understand the above point, consider the analogous "what's the max safe speed for a Ford Mondeo?"

I'm not going to mention driving conditions, how competent the driver is, whether in a town or on a racetrack, I'm just going to ask "what's the fastest I can go safely?" Decent chance the answer provided will be 70mph.
 
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CmdrTobs said:
Can I just say that 1.52 will be for the default specified clocks. This says nothing about overclocks, current goes through the roof as you overclock (and thus risk). So that 1.52V is for people using the CPU in a cramped but sanctioned case (u know like those awful dell desktop enterprise ones), running std paste on a standard sink in Jamaica. That is, intel will be somewhat happy if that's what it took to get it stable.

I am going to *guess* that the current density at a 4.5Ghz OC maybe less than at 1.52V at stock. In short, disregard that 1.52V as a safe limit for OC'ing. It would be like taking manufactures stock RPM limits as relevant after Turbo-charging and Nitrous.
Click to expand...

This is the most sensible thing I have heard for ages on ocuk, i.e. 1.52 is fine on stock not at 5ghz it is two different things.
 
Im surprised you asked intel about that... as far as they are concerned the default settings will be safe 24/7, anything out of that isnt. As for the 1.5 volts i imagine that would fry it eventually, my 130nm A64 from 7 years ago ran on 1.54 volts, as this is a 32nm processor it will not be able to cope with a similar voltage for long.
 
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