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2500k, 5 ghz on air, possible? - Page 3

post #21 of 22
Quote:
Originally Posted by Cakewalk_S View Post

Quote:
Originally Posted by munaim1 View Post

The temps are surprisingly low for that amount of voltage, however what's more important to note is the ambient temps, which is 21c.

Whats wrong with a 21c ambient? I can open a window and get it down to 17C in my bedroom...lol Point being, have lots of case fans and air flow to quickly get cold air in, and then just as quickly, get the old hit air out the top... Worked well for me, usually around a 21-22C Inside case temp.... Just a 1-2C increase from 21C on my rig upp's my core temps a good 3-4C....so its extrapolated when the case temp goes up just a bit...

He said that because if it were 32C on a hot day in the summer with no AC available, the poster would have considerably higher temperatures that are possibly into the TJMax throttle range.

Air cooling tends to hit a thermal efficiency wall much faster than water does when you have higher ambient temperatures; it's the nature of the beast.
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post #22 of 22
I am now looking to take my 2500k w/ 212 EVO to 5ghz as well (just to see if I can), though I still suffer from a well-known condition called noobycitis, so I'm trying to learn as much as I can before taking the leap. I also may wait for winter, would that be considered cheating?. Anyway, after reading this thread, I have a few questions that I didn't have before.

For starters:
Quote:
Originally Posted by munaim1 View Post

After four chips I'm still stuck with one that can't even boot to 54x multi frown.gif Im really starting to miss my golden 57x multi

What is XXx 'multi'? Is that the multiplier for all cores on a chip (as opposed to a single core)? If so, should I be trying to only push to 5ghz on one core? Is that the norm? When I hear (or see) someone who achieved 5ghz on air, is it likely to assume that they did so on only one core?

Also:
Quote:
Originally Posted by Cele303 View Post

If you or anyone else want 5.0 ~ 1.35V chip go look for C batch, they perform all near the same, great for 24/7 but crap with max multi...

How do I know which batch my chip came from? Is there any way to tell if I have one from C batch? Purchase date, maybe?

And finally:
I know that water is better at cooling than air, but is that for a custom loop only? Would an all-in-one (such as the H80) be nearly efficient as a custom water cooling loop? Would I get better temps from an all-in-one over a high-end air cooler?

In case it matters, my setup is as follows:
i5 2500k
AsRock z77 Extreme 6
CM Hyper 212 EVO
4x Corsair Vengeance 1600 4gb RAM (16gb)
CM HAF 912
EVGA Geforce GTX 560 ti
2x Sandisk Extreme SSD's 120gb
1x Samsung 830 SSD 128gb
1x OCZ Agility 3 SSD 120gb
1x Seagate Barracuda 7200 HDD 1tb
be quiet! Dark Pro 10 80+ Gold 650w modular (primary PSU)
Seasonic M12II 80+ Bronze 620w modular (second PSU)
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