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Phenom II 740 - x3 @3.5GHZ, or x4 @3.4GHZ

Last response: in Overclocking
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October 24, 2011 10:08:38 PM

Hi All,

I am trying my hand at overclocking for the first time, and have achieved a stable overclock using the below equipment with both the fourth core locked and unlocked, but with a higher stable frequency with only three cores active. For gaming, with an eye to prepping for SWTOR in December, what advice can you offer as to which direction I should go, unlock the fourth core and run 3.4GHZ @ 1.4V or 3.5GHZ with three cores at 1.4V.

I could probably push the three cores to 3.6, with getting the voltage to 1.42, but since this is my first time, am a bit nervous about going too far.

Other than locking in the memory frequencies, I left everything else untouched, including the CPU freq at 215 MHZ.

ASROCK 870 Extreme3 MoBo
AMD Phenom II X3 740
8GB RAM - PC3-10600 CL9 set at 8-8-8-(tRAS 20, tRC 27)
AMD HD 5850

Thanks!

More about : phenom 740 5ghz 4ghz

a c 242 K Overclocking
October 24, 2011 11:42:46 PM

3.4 4cores (unlock) faster and better than 3.5 3cores, your voltage still safe and worth
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October 25, 2011 11:54:33 AM

Thanks,

I have been able to get the 4 unlocked cores stable at (215MHZ) 3.5GHZ, and the VCORE at 1.45. Is this pushing it too far?
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a c 242 K Overclocking
October 25, 2011 12:13:58 PM

It's still safe if your peak temperature below 60C when do stress test. Sure your unlock get pass in prime95
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October 25, 2011 2:35:08 PM

Thanks, yeah, my unlock ran for 12 hours on prime95 with no problem.

Looks like a success, then!
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October 25, 2011 2:35:21 PM

Best answer selected by maxwellwa.
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