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Swapped 3570k for 2500k, better or worse?

post #1 of 11
Thread Starter 
I swapped my brother's 2500k into my rig to see if I could get better results.

With the 3570k the best overclock I could Prime95 at was 4.8, and 4.6 was the best it could do with power saving features enabled. This was with a closed loop liquid cooler.

Switching to the 2500k I was able to hit up to 5.3 with power saving features enabled, and didn't feel it was necessary to see if it could do more with them disabled.

Is the 2500k more sensitive to voltage? It has to sit right on 1.52V for 5.3 to be stable, or 1.48 for 5.2. Would it be significantly safer to run it at 1.48?

Do you think this will affect performance significantly with a .7 Ghz difference, even though Sandy Bridge is slightly slower clock for clock?
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Ginormous M-ITX
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post #2 of 11
I would ask what you are doing with it. If you say playing games, its irrelevant. If you are folding, or encoding video, etc, then its probably better.
post #3 of 11
Honestly dont see the 2500K living very long with daily voltage at 1.52v. Like the person above me said. Why do you need that much speed?
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post #4 of 11
Yeah don't expect it to last too long. I think you might want to check benchmarks and see how little you gain after about 4.5-4.6 ghz, pretty small gains.
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post #5 of 11
Like Yanks has said, if its for gaming, you have no difference and I would get it off 1.52v. My last 2500k sat on 1.35v @ 4.5GHz for 24/7 use.
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post #6 of 11
To my understanding 1.4 with either on Air 24/7 = No no no..Why...WHY WOULD YOU KILL IT, WHY?!?!!

biggrin.gif
You could let either one run with 1.4+ if you really wanted to, but I think its ballsy...You usually have to over volt within the bios to get it to run at 1.4 in Windows but sometimes I might peak over it which may cause a fried chip...So like I said 1.4 and below is where you want it, any overclock over that on air isn't worth it in my own opinion.


More info: http://www.overclock.net/t/1247869/official-the-ivy-bridge-stable-suicide-club-guides-voltages-temps-bios-templates-inc-spreadsheet
post #7 of 11
Run 1.48 imo, iv been stable on a 2500k @ 1.430 Respectively with LLC Up to around 1.44 MAX in HW monitor. BIOS Setting about 1.415 and its been stable for 4 months. Runs fine and this lil chip has seen some heat! Up to 85C In Intel burn test! Normal load up to 55-65C. c1e on. No voltage offset. 24/7 volt. You need to factor in vdroop and LLC Spikes with your 1.52 Voltage. And a 2500k is better imo due to less heat and better OC potential, The Solder helps ALOT, Ivy is cool just for the 22nm and tri gate aspect but real world performance the 2500k will SLIGHTLY beat it because it can OC higher in most cases and run less heat, Stock the IVY Is a tad bit faster but 2500k overall is better DEFIANTLY because it can OC Alot better.
Edited by pent - 10/15/12 at 12:09pm
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post #8 of 11
Thread Starter 
People asking me why I would want to overclock heavily? This is Overclock.net!!!

Yeah I'll just do gaming, and I'll probably also leave it overclocked at whatever the highest speeds are that I can run stable.....

It's not that I will necessarily see a difference running it slower in games - but why risk it? biggrin.gif

Why do you buy a liquid cooler.... to keep the chip at 4.5 GHZ?! You can do that on the stock cooler in many cases and not have temps out of spec for the 2500k or 3570k.

I ran that Ivy bridge at 1.52+ V 24/7 and benched it at over 100C since it begins to throttle at 105C. It wont let you kill it without a fight.
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Ginormous M-ITX
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post #9 of 11
I'd say 4.7 for daily ..unless it really a good one..and the least voltage you can get away with.
..unless you can do 5 ghz @ 1.44..Some chips can..most can't
 
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post #10 of 11
Thread Starter 
Quote:
Originally Posted by Schmuckley View Post

I'd say 4.7 for daily ..unless it really a good one..and the least voltage you can get away with.
..unless you can do 5 ghz @ 1.44..Some chips can..most can't

Trying for 5.0 the required voltage for stability is 1.368V. Seems the curve is steep after 5.0 with 5.1 taking 1.43 and 5.2 taking 1.48, and finally 5.3 taking 1.52.

What's really ridiculous is that 5.4 is stable at 1.54V but it gets too hot and throttles down..... axesmiley.png
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Ginormous M-ITX
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Girlfriend's Rig
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Patriot Pyro Hitachi - 2.5" Custom Loop - made from 2 Thermaltake Water 2.0... Auria 27" 1440P 
PowerCaseMouse
PC Power and Cooling 600W Modular Bitfenix Prodigy Microsoft Sidewinder 
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intel g850 MSI P67s c43 EVGA Geforce GTX 480 G skill 
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