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i5 4670k bad chip, anything i can do?

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  • Overclocking
  • Corsair
  • Intel i5
  • Intel
Last response: in Overclocking
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May 16, 2014 3:58:58 AM

good evening, So comp specs are as below.

CPU- i5 4670k
GPU- 2x 7950's in xfire
RAM- Corsair platinum 2133 (2x8)
PSU- Corsair AX1200i
MB- Asus VI formula
Case- Corsair 900D (yes another 900D fan)
CPU cooler - H100i (will be moving to custom loops later on in the year)


So basically I have read a ton of reviews and peoples opinions etc. I have done a pretty dirty OC and at 4.3Ghz, Vcore @ 1.25 after about 5 sec into running prime95 she crashed. Even 4.2Ghz I was hitting temps of 93 and below before I stopped it. Obviously I know its a stress test and normal computing wont be like that, and I know not to go over 90, personally for me to be comfortable I would want to be under 80.

Is it worth my going for the custom loop? with the 900D obviously I can get some serious rads going on etc. or am I wasting my time and probably not going to get much more out of my chip.

Honestly I not too fussed cos I running SSD's etc and its pretty dam fast at the moment compared to my last rig. im not that keen on building a whole new rig. Would it be worth trying my luck ith a 4770k?

Any tips to gain any more out of my chip would be good. or suggestions on cooling.

Thanks again

More about : 4670k bad chip

a b K Overclocking
May 16, 2014 4:04:39 AM

have you tried lowering your memory speed?

Lowering the memory speed may or may not give you a little more cpu oc'ing head room.
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May 16, 2014 4:14:38 AM

ShadyHamster said:
have you tried lowering your memory speed?

Lowering the memory speed may or may not give you a little more cpu oc'ing head room.


no I havnt tried that. One forum said to set the voltage as per it was rated, should I just leave it at stock?
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a c 134 K Overclocking
a b å Intel
May 16, 2014 4:17:16 AM

Hi and welcome to the intel overclocking sector!

set the voltage higher! Keeping it at stock will cause a PC to crash.

Custom loop is worth it, not pre-built. With temps hitting 90+, I don't like it at those temps. I can offer a cheaper alternative with great and silent performance, I have a Noctua NH-D14 (SE2011 version (for socket LGA 2011)), cooling my intel i7 4930k clocked at 4.9GHz!, temps never go above 80 degrees using prime95 torture test running CPU at 100% and PC hasn't crashed to date, a mighty cooler indeed!

Don;t worry if you think that doing voltage too much will damage your CPU, it actually doesn't, but it is a common misconception, though best not to do it.

I would offer you try this voltage setting first, then slowly increase by [.01V].

1.3V
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May 16, 2014 4:19:16 AM

unknownofprob said:
Hi and welcome to the intel overclocking sector!

set the voltage higher! Keeping it at stock will cause a PC to crash.


so set my ram voltage higher? I have heard the more you OC your RAM the less your CPU will take?
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a c 134 K Overclocking
a b å Intel
May 16, 2014 4:24:01 AM

I have updated my post, check out the other info.

the more you OC your ram, no difference will take place. Your CPU will only benefit form 1866Mhz CL9, nothing faster will make any effect (performance wise), as ram doesn't hold what your CPU does, they do different things.
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May 16, 2014 4:24:35 AM

unknownofprob said:
Hi and welcome to the intel overclocking sector!

set the voltage higher! Keeping it at stock will cause a PC to crash.

Custom loop is worth it, not pre-built. With temps hitting 90+, I don't like it at those temps. I can offer a cheaper alternative with great and silent performance, I have a Noctua NH-D14 (SE2011 version (for socket LGA 2011)), cooling my intel i7 4930k clocked at 4.9GHz!, temps never go above 80 degrees using prime95 torture test running CPU at 100% and PC hasn't crashed to date, a mighty cooler indeed!

Don;t worry if you think that doing voltage too much will damage your CPU, it actually doesn't, but it is a common misconception, though best not to do it.

I would offer you try this voltage setting first, then slowly increase by [.01V].

1.3V


cool thanks will give it a go, but I wont like my temps im sure
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Best solution

a b K Overclocking
May 16, 2014 6:13:54 AM

Personally, I would set everything back to the defaults in the bios and re mount the cooler. Run a stress test and see what you temps are at default speeds. What is your memory Voltage?
1) Memory speed and voltage dont directly effect the processor but can cause more heat since the memory controller is on the CPU.
2) Your H100i is very comparable to the NH-D14. No reason to change.
3) I may do this backwards but I always start with default CPU voltage and slowly increase the base clock til it becomes unstable. Then I just slowly increase the vcore.
4) All CPUs are different just because one can do 4.4 doesnt mean they all will. Unless you are a benchmark junkie you will get minimal benefits from 4.2Ghz to 4.3Ghz.
Also what are you using to monitor your temps?
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May 18, 2014 2:31:00 AM

d1rtyju1c3 said:
Personally, I would set everything back to the defaults in the bios and re mount the cooler. Run a stress test and see what you temps are at default speeds. What is your memory Voltage?
1) Memory speed and voltage dont directly effect the processor but can cause more heat since the memory controller is on the CPU.
2) Your H100i is very comparable to the NH-D14. No reason to change.
3) I may do this backwards but I always start with default CPU voltage and slowly increase the base clock til it becomes unstable. Then I just slowly increase the vcore.
4) All CPUs are different just because one can do 4.4 doesnt mean they all will. Unless you are a benchmark junkie you will get minimal benefits from 4.2Ghz to 4.3Ghz.
Also what are you using to monitor your temps?


ok sorry for the delay I been away. Currently I have everything set to default.
I cant even use Asus's MB pre sets for OCing as it just crashes.
I could have a go at re installing my cooler as I may have not done it correctly, (first build)
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