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Poor perfomance from i5-2500k

post #1 of 28
Thread Starter 
So I have been fooling around with this CPU for going on 15 hours now trying to get a simply 4.5ghz overclock (newbie). After no luck with multiple tutorials and a past post on this forum, I started from scratch one more time. I cleared CMOS and everything. So now I seem to have created a stable 4.2ghz overclock but core temp tells me it is using 1.37 volts at load while the bios tells me it uses 1.35 for vcore. 4.3 is the highest overclock I can get too. Any higher and windows will not boot. When overclocked to 4.3 I uses as much as 1.375v under prime95. My temps are fine not even breaking 60 but this cpu just won't work with me.

Is there anyway to lower this or is this chip just power hungry when overclocked and I should trade it in to microcenter and get a new cpu?
post #2 of 28
Quote:
Originally Posted by Enderzt View Post
So I have been fooling around with this CPU for going on 15 hours now trying to get a simply 4.5ghz overclock (newbie). After no luck with multiple tutorials and a past post on this forum, I started from scratch one more time. I cleared CMOS and everything. So now I seem to have created a stable 4.2ghz overclock but core temp tells me it is using 1.37 volts at load while the bios tells me it uses 1.35 for vcore. 4.3 is the highest overclock I can get too. Any higher and windows will not boot. When overclocked to 4.3 I uses as much as 1.375v under prime95. My temps are fine not even breaking 60 but this cpu just won't work with me.

Is there anyway to lower this or is this chip just power hungry when overclocked and I should trade it in to microcenter and get a new cpu?
What's your mobo and memory specs ?
post #3 of 28
either your doing something wrong or you have the world most crappiest 2500k jk
post #4 of 28
Thread Starter 
I have a Gigabyte ga-z68x-ud3h-b3 motherboard. For memory I have 8gb Corsair XMS3 DDR3. And I have tried multiple different combinations of disabling and enabling stuff like EIST, C1,C3,C6, Turbo ect. No luck. I just feel like with all the great advice and help I have been getting something would have worked by now. I feel like the mobo or the processor itself has to be keeping me back.
post #5 of 28
I just upgraded my system to an i5 2500K yesterday with Asrock Extreme3 Gen3 mobo + GeIL DDR3 4GB RAM. OC'ed to 4.3GHz and manually set my Vcore to 1.325v on my first go. I didn't do any robust tests yet but so far i've been playing Deus Ex for 3 hours straight + Furmark for another 30 minutes and it seems to be OK. Temps are 50 celsius MAX.
post #6 of 28
Optimal 4.5GHz voltage is between 1.3 and 1.32v. Yours seems way too high.
post #7 of 28
Thread Starter 
See that's how I felt this process should have gone. I don't understand how I could get such a drastically underachieving CPU. What settings did you change in your bios when you did that? Did you only change the multiplier and the vcore?
post #8 of 28
Quote:
Originally Posted by Enderzt View Post
See that's how I felt this process should have gone. I don't understand how I could get such a drastically underachieving CPU. What settings did you change in your bios when you did that? Did you only change the multiplier and the vcore?
The only parameters that I changed are multipliers and Vcore. I set the Vcore manually to 1.325v. I will attempt to go to 4.5GHz later today. I am on air cooling, Noctua NH-U9B SE2.
post #9 of 28
Thread Starter 
Multiplier only set to 43

Mostly set to auto, but have tried with the power changing/saving options disabled and enabled

CPU Vcore says it is 1.36 auto for a small 4.3 overclock

This Just shows the high 1.3711 VID score It go during Prime95 yet the really low temps
\\

I wanted to change basically nothing but the voltage and multiplier this time just to get a BOOTABLE 4.5 overclock, never mind personalized or refined. C1,C3,C6 ESIT all have been tried enabled and disabled.
Edited by Enderzt - 10/20/11 at 11:55pm
post #10 of 28
Disable C1E. C3/C6, as well as EIST too. All of them...

Edit: I see you have tried that... All at once though?
My System
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CPUMotherboardGraphicsRAM
i7-920 Msi Pro-e GTX 580 6GB 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-920 Msi Pro-e GTX 580 6GB 
OSPowerCaseMouse
W7 x64 Corsair TX750 Antec 300 Logitech OEM FTW 
Mouse Pad
wat? 
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