Locked CPU overclock

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xterminat0r

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Mar 14, 2015
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I was building a friend a pc and overclocked the CPU to 4.3 Ghz his is the A8 5500. It's a locked processor and at that speed its running smooth with temps around 37c. What I'm wondering is why I can OC that locked CPU like crazy but my i5 2400 can't go over 3.7ghz? Both motherboards where made for overclocking also.
 
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de5_Roy

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Oct 14, 2011
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what are your full pc specifications? don't leave out anything.

at first glance, your cpu isn't as overclockable as the amd apu. intel partially locked down it's multiplier i.e. you can only o.c. it up to a certain predetermined limit which are 4 bins (i.e. 4x 100 MHz) over current clockrates. i assume that translates to up to 3.7 GHz for single core turbo boost for your cpu. if you have certain motherboards, you might be able to apply the single core turbo boost clockrate to all cores using a bios tweak called multicore turbo or enhanced turbo or multicore enhancement (vendor-dependent). the o.c. limitations in this case has more to do with the cpu than the mobo. keep in mind that overclocking increases power use and heat dissipation, so you'd need good cooling system and a o.c. friendly setup.
 
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xterminat0r

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Mar 14, 2015
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My system:
CPU: i5 2400
Ram: Kingston HyperX FURY 16GB 1866MHz
Mobo: MSI P67A-G43 (B3)
GPU: Galaxy G1 GTX 970
CPU Cooler: Phanteks PH-TC14PE_BL 140mm UFB CPU Cooler
HDD: 4TB WD Black
PSU: Corsair GS700 Watt

other systen
CPU: A8 5500
Ram: Kingston HyperX 8GB 1333MHz
Mobo: ASUS F2A85-M PRO
GPU: EVGA GTX 660 SC 3GB x2 (SLI)
CPU Cooler: Cooler Master Seidon 120V
HDD: 1TB WD Black
PSU: Corsair CX600M

 
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