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4.0 OC on 2500K OK with my rig @ stock Voltage?

Last response: in Overclocking
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March 24, 2012 3:57:22 AM

I'm wondering if 4.0 is safe with my rig's CM 212 EVO, & also if I should leave turbo on or off??

Here is my rig:

EVGA GeForce GTX 570

Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost)

Western Digital Caviar Black 2TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5"

ASRock Z68 Extreme3 Gen3 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

Antec High Current Gamer Series HCG-750 750W ATX12V v2.3 / EPS12V v2.91

CORSAIR Vengeance 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800)

Crucial M4 CT064M4SSD2 2.5" 64GB SATA III MLC Internal Solid State Drive

COOLER MASTER Hyper 212 EVO RR-212E-20PK-R2

LIAN LI Lancool PC-K63 Black Steel ATX Mid Tower Computer Case


All advice is welcome, I'm new to this....
a b à CPUs
a b K Overclocking
March 24, 2012 4:32:49 AM

Shouldn't be a problem. 4.5ghz on stock would not be unfeasible. Might as well turn Turbo off.
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Anonymous
a b à CPUs
a b K Overclocking
March 24, 2012 4:42:19 AM

I can hit 4.4 ghz with turbo off on my i5-2500k with stock voltage, every cpu is different though.
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March 24, 2012 5:29:23 AM

u can leavre turbo on it doesnt matt6er ita actually better when its on for a o.c leave turbo on and set turbo to by all cores in the bios
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a b à CPUs
a b K Overclocking
March 24, 2012 3:29:51 PM

As long as your temps are fine, shouldn't be a problem at all. I'd guess that mot 2500Ks can do 4 ghz on stock. My 2600K will do 4.4 at stock
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March 25, 2012 3:20:52 AM

Thanks everyone, I guess my biggest question is why leave the Turbo "On", when I'm going to OC past the Turbo's 3.8 Ghz potential?

EDIT: Not everyone said to leave Turbo "on", most said to leave it off. What is the difference?
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a b à CPUs
a b K Overclocking
March 25, 2012 8:38:05 PM

I honestly don't have anything on which to base my recommendation. I've just heard of people leaving it off. It shouldn't have much of an effect either way.
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a c 207 à CPUs
a c 148 K Overclocking
March 25, 2012 8:52:47 PM

This is what Asus testing found in the very early days of SB.

1. Approximately 50% of CPUs can go up to 4.4~4.5 GHz
2. Approximately 40% of CPUs can go up to 4.6~4.7 GHz
3. Approximately 10% of CPUs can go up to 4.8~5 GHz (50+ multipliers are about 2% of this group)

Subject tot he above.....

4.4 - 4.5 Ghz easily doable with Hyper 212
4.6 - 4.7 Ghz doable with Hyper 612 or Scythe Mugen 3
4.8 - 5.0 Ghz doable with Silver Arrow or Phanteks

I leave it boost on in every build.
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Best solution

March 25, 2012 9:16:29 PM

justsumguy_22 said:
I'm wondering if 4.0 is safe with my rig's CM 212 EVO, & also if I should leave turbo on or off??

Here is my rig:

EVGA GeForce GTX 570

Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost)

Western Digital Caviar Black 2TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5"

ASRock Z68 Extreme3 Gen3 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

Antec High Current Gamer Series HCG-750 750W ATX12V v2.3 / EPS12V v2.91

CORSAIR Vengeance 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800)

Crucial M4 CT064M4SSD2 2.5" 64GB SATA III MLC Internal Solid State Drive

COOLER MASTER Hyper 212 EVO RR-212E-20PK-R2

LIAN LI Lancool PC-K63 Black Steel ATX Mid Tower Computer Case


All advice is welcome, I'm new to this....




I overclocked my 2500k to 4.2 by setting all 4 core turbo settings to 4.2 ghz ( was at 4.5 but backed it off )
.....when browsing
it sits at 1600 mhz....but when a demand is placed on the cpu it jumps to 4200....here's
a nice article that taught me how to do it
http://forums.legitreviews.com/about33850.html
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March 26, 2012 2:35:05 AM

Best answer selected by justsumguy_22.
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