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When overclocking a 2500k...

post #1 of 13
Thread Starter 
Well i'm about to get a whole new rig with an i5 2500k, first intel cpu...so i'm used to tweaking the fsb and raising mult for amd..is it the same with the 2500k? I've read people just up the multi until it's unstable with a 2500k, like a black edition amd cpu, is this true? Also, what are some OCs I'm guaranteed to get. I heard that 1.3v is perfect for 4.5ghz..results may vary ofcourse though..
post #2 of 13
Quote:
Originally Posted by venomblade View Post
Well i'm about to get a whole new rig with an i5 2500k, first intel cpu...so i'm used to tweaking the fsb and raising mult for amd..is it the same with the 2500k? I've read people just up the multi until it's unstable with a 2500k, like a black edition amd cpu, is this true? Also, what are some OCs I'm guaranteed to get. I heard that 1.3v is perfect for 4.5ghz..results may vary ofcourse though..
Simply a case of upping the multi and vcore, after around 4.5 ghz you need to turn on a few extra bios options but overall it is almost too easy to overclock these new sandybridge cpu's

1.3v is pretty usual for 4.5ghz but some need more some less id say start @ around 1.35v for 4.5ghz and work your way down in voltage untill it remains stable. My chip needs a tad over 1.4 to be stable under load @ 4.8ghz. going from 4.5ghz to 4.8ghz needs a big jump in voltage
Edited by Chewy - 4/22/11 at 4:37pm
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post #3 of 13
Thread Starter 
Good to hear, what's the max voltage to stay away from with these? For my old 965 it was 1.55 i believe.
post #4 of 13
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Originally Posted by venomblade View Post
Good to hear, what's the max voltage to stay away from with these? For my old 965 it was 1.55 i believe.
Intel says max 1.52v, some people say between 1.45 and 1.5v.
I say stay under 1.5v and keep your temps in check and you'll be fine
    
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post #5 of 13
1.52vcore is max safe.. id keep it under 1.480 for 24/7 but that's up to you of course... Max bclk iv used is 103-105.. had no problems.. Lot's of info threw out this form though about max clock's/volts/bclk.. ext.. just take a look around! Welcome to OCN
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post #6 of 13
Quote:
Originally Posted by Dissentience View Post
Intel says max 1.52v, some people say between 1.45 and 1.5v.
I say stay under 1.5v and keep your temps in check and you'll be fine
This, keep the cpu cool and you will be fine. try to stay under 1.45v for 24/7 use
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post #7 of 13
Thread Starter 
Ah so the max volt is less than amd i see...how is the stock vid? My stock vid for the 954 was 1.392(1.4v in bios)
post #8 of 13
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Originally Posted by venomblade View Post
Ah so the max volt is less than amd i see...how is the stock vid? My stock vid for the 954 was 1.392(1.4v in bios)
Normaly around 1.050v and upwards
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post #9 of 13
Thread Starter 
lol damn that's much less, i'm also guessing that i have to turn off turbo like with an 1100t or somethin
Edited by venomblade - 4/22/11 at 6:09pm
post #10 of 13
Thread Starter 
can someone confirm this? ^
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