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2500K 4.7Ghz OC Results! Help!

Last response: in Overclocking
October 20, 2011 4:26:57 PM

Hey guys last night I tested almost 8 hours at around 1.45v @ 4.7Ghz and no errors. Only negative thing is I can see that on the different cores there were different amounts of tests done but they were all working the same so I guess it doesn't matter about that. MAX temp reached on one of the cores was 77c after 8 hours, no BSOD or any errors. With that being said I could probably lower the vcore. Here are the exact settings that my bios is at right now currently with a successfull P95 testing

multiplier: 47x
vcore: 1.430v (calibrates up to and around 1.47v)
LLC: Level 5
CPU Overcurrent Protection: Auto
Internal PLL Overvoltage: Enabled
Real-time changes in OS: Disabled
Intel Turbo Boost Tech: Disabled
Bi-Directional PROCHOT: Auto
CPU EIST Function: Disabled
C3/C6: Enabled
CPU Thermal Monitor: Enabled
CPU Enhanced Halt (C1E): Disabled

Testing results:

My computer is idling really cool also right now at the current settings at a CPU temperature of 22c and motherboard temp of 29c. Just to also note my memory is not overclocked and at the stock 1600mhz on standard mode.


Videocard: XFX HD 6870 Black Edition
Processor: i5 2500K @ 4.7Ghz
Mainboard: Gigabyte Z68X UD3H-B3
Memory: 8GB G.Skill Ripjaws 1600
Soundcard: ASUS Xonar DG 5.1
PSU: Corsair TX750W v2

More about : 2500k 7ghz results

December 14, 2011 6:53:42 PM

late reply, but i'm late to the i5 OCing game.

does the voltage have to be that high? from what i hear you don't want to be over 1.4V. i'm hitting 11 hours on Prime95 (still going, no errors) on 4.7Ghz with only 1.31V and LLC lvl 5. max temps are 68-70 on one core, 58-65 on the remaining cores on Prime95 blend test after 11 hours (and counting)

note that i've set it to 1.31V in BIOS. ET6 reports an idle Vcore of 1.320-1.332 and load voltage of 1.332-1.344.

table of my test results so far:

**edit: i should probably list the relevant bits and pieces:
GA-Z68XP-UD3 mobo
G.Skill 4GBx2 DDR3 1600
CM 212+
XFX Pro 850W psu