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Intel i5 2400 Overclocking cap?

post #1 of 3
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Does it have one? My friend can't seem to get past 3.99ghz even with little voltages and great temps

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post #2 of 3
Non-K CPU's can only overclock so far up to 4.1 Ghz on 1 core and 3.8Ghz on 4 cores. But 3.9Ghz is good for 4 cores for a limited unlocked CPU. If he wanted to overclock he should've went with a "K" CPU.


Refer to this Bit-Tech chart:

sPsVa.jpg

http://www.bit-tech.net/hardware/cpus/2011/01/03/intel-sandy-bridge-review/5
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Skylake Is Here!
(17 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 6700K Batch #L535B021 4.7Ghz @ 1.296V GIGABYTE G1 Gaming GA-Z170X-Gaming 7 EVGA Geforce GTX 970 SSC ACX 2.0+ G.SKILL TridentZ 16GB DDR4 3000 
Hard DriveHard DriveHard DriveCooling
Samsung 950 Pro M.2 512GB  Crucial BX100 250 GB SanDisk SSDPlus 240 GB NZXT Kraken X61  
OSMonitorKeyboardPower
Windows 8.1 & 10 Dell UltraSharp 2913WM 21:9 2560x1080 Ducky Shine 4, CODE WASD, Deck Legend, G710+ EVGA SuperNova G2 850W 
CaseMouseMouse PadAudio
Phanteks Enthoo Evolv ATX Mid-Tower Ducky Secret SteelSeries Fostex Purple Heart TH-X00 
Audio
AKG K553 Pro, Philips SHP9500, Superlux 668B, S... 
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post #3 of 3
Quote:
What's this? The good news is that the rumors of Intel killing overclocking for non-K Sandy Bridge processors were slightly exaggerated! If you've got a CPU with Turbo Boost functionality it can be overclocked!! The bad news is that it's pretty limited. Our Core i5 2400 is rated at 3.1GHz with a typical Turbo speed of 3.2GHz with four active cores, with an absolute maximum of 3.4GHz under a single core load. By changing the Turbo multipliers to the maximum allowed either in the BIOS or the Intel Extreme Tuning Utility and raising the power consumption limits to 135W we were able to get the Core i5 2400 to run at a solid and steady 3.6GHz with a full 4 core load. 2 and 3 core loads are allowed to run at 3.7GHz and under single core loads Turbo was allowed up to 3.8GHz. These are noticeable increases in speed and only added about 15w of additional power use. It was on default voltage as well.

Source


I was so close to getting the i5 2400 or even the 2300 once it was released, until I learned that there is almost no overclocking headroom.
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