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Haswell Overclocking Guide [With Statistics] - Page 1019

post #10181 of 19601
Quote:
Originally Posted by Cyro999 View Post

AVX is an instruction set, not really just a "thing" that can be used or not, it's always used differently

Looks like you just don't have enough vcore (if you set your uncore to 33x/1.15)

Prime used AVX for quite a while

Figured something like that, I previously had Q6600 and I think it didn't say anything about AVX then, could be that I've been sleeping past too many tech changes last few years.

What do you mean about that uncore? I think both multiplier and voltage were set to auto, should I set them to some manual readings?
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post #10182 of 19601
Better practice to use ~33x/1.15 while overclocking core as opposed to auto (which can turbo around and run ~40x) with auto voltage (which can go to 1.25v+ on auto uncore)
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post #10183 of 19601
Got my 4770k to 4.8 ghz , seem like a decent chip with 0.96 idle vcore. redface.gif

Batch: L315B421
4.8 GHz 1.34 v
4.4 cache 1.2 v


Edited by mrsus - 2/22/14 at 5:12am
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post #10184 of 19601
Quote:
Originally Posted by mrsus View Post

Got my 4770k to 4.8 ghz , seem like a decent chip with 0.96 idle vcore. redface.gif

Batch: L315B421
4.8 GHz 1.34 v
4.4 cache 1.2 v


Use cpu-z 1.64.0 to see correct vcore
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post #10185 of 19601
Quote:
Originally Posted by mrsus View Post

Got my 4770k to 4.8 ghz , seem like a decent chip with 0.96 idle vcore. redface.gif

Batch: L315B421
4.8 GHz 1.34 v
4.4 cache 1.2 v


You need to specify what stress tests you used for this...unless this is just a validation tongue.gif
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post #10186 of 19601
yeah, the L315 batches between L315B100 and L315B500 are all pretty good apparently. When I bought my current chip, I had a 50/50 shot of getting the batch I currently have or L315B370 (which does 4.8 @ 1.30v). I was so devo when I didn't get it haha
post #10187 of 19601
Quote:
Originally Posted by fleetfeather View Post

yeah, the L315 batches between L315B100 and L315B500 are all pretty good apparently. When I bought my current chip, I had a 50/50 shot of getting the batch I currently have or L315B370 (which does 4.8 @ 1.30v). I was so devo when I didn't get it haha

Some Batch Numbers are definitely better than others.
I have I5 L315B373 and it does 4,7 @ 1,24.
post #10188 of 19601
Speaking of batches, I have 4670K Costa Rica 3314B712. Any info on that one? smile.gif
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post #10189 of 19601
Quote:
Originally Posted by Chemx View Post

Speaking of batches, I have 4670K Costa Rica 3314B712. Any info on that one? smile.gif

i have a 4670k CR 3315B352
its not a very good chip.
post #10190 of 19601
Quote:
Originally Posted by mk16 View Post

i have a 4670k CR 3315B352
its not a very good chip.


I have a CR batch 331. I can get to 4.8 @ 1.38 stable. I'm pretty sure I can push it to 5.0GHz but I'll probably need close to 1.5v. Batch isn't always indicative of quality or "overclockability" of the chip. Sometimes you get lucky, sometimes you dont. Check what your vcore reports at on stock speeds. Use cpu-z, run a cpu intensive program, and see what the vcore jumps to at the turbo clocks. Gives you a decent idea of overclock potential. That's how I did it with mine, and my friends 4770K (he has a garbage chip). thumb.gif
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