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Circumvent the silicon lottery?

post #1 of 13
Thread Starter 
Since I am getting sick of my bad luck with processors I was wondering whether there are stores that sell processors (i7 4770k) that are tested on overclockability. I bought two 4770K's that went no further than 4.2GHz on water, but I was able to return them and got a full refund. Since that probably wont work a second time I was wondering if I could buy a chip that would reach the highter numbers by paying a little extra.

I live in the Netherlands so the shop has to ship to my country.
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post #2 of 13
good chips can still have bad result, motherboards also make a difference on overclockability, as does ram quantity.

best bet would be to buy a used chip from someone thats already tested good, but even then YMMV from above variables.
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post #3 of 13
Thread Starter 
I know there are other variables, but in this case the processor is defenitaly the limiting factor (Mpower Max and 16GB Dominator RAM).
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post #4 of 13
Pretty much down to buying a used chip that has been tested for low voltage/high clocks.
Or an 8 pack system, he does bin the chips, although he doesn't sell the cpus by themselves, I've tried talking him into selling golden chips but he saves those to sell in the prebuilt 8 pack rigs http://www.overclockers.co.uk/LP/8-pack-systems.php
    
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post #5 of 13
Thread Starter 
I'd love to buy one of his systems. Too bad its above my €350 budget.
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post #6 of 13
Only real (and somewhat reliable) way to do this is to look around on forums for people selling pre-tested chips.
 
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post #7 of 13
Why would any store actually want to sell CPUs this way? I mean, people would quickly grab all of the golden chips and the store would be stuck with tons of rejects that nobody wants to buy ("guaranteed to not overclock" doesn't exactly sound attractive to me) unless if they sell them at a huge discount.
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post #8 of 13
when the i7920 came out i asked specifically for a do and not a co! Novatech sent me a co and didn't notice till later on having built the syetm and was testing using cpuz that i noticed. When i rang them they said it was a mistake and he tried to tell me that the co and do hardly worth worring about. It was his conning voice that i picked upon and made him rectify the solution - hence got my do chip in the end and they got a very bad review.

the point is i can bet that they didn't have a do in stock and tried to palm me off with a co and once in my system i would not be bothered to change it mad.gif

So yeah imagine what they would do if they could cherry pick - mates, themselves and others would buy up the best biggrin.gif

Would like to add - The silicon lotterey

To a serious OC i can understand but would i worry about a 4.7 over a 4.5 ? Nope biggrin.gif

Would i worry about a 4.9 over a 5.0 ? yep! biggrin.gif
Edited by ladcrooks - 4/6/14 at 11:37pm
post #9 of 13
Technically speaking, having a K rated chip means that it is allowed to be over-clocked at your own risk. Most stores are not going to be checking a sealed retail processor just to test it for over-clocking unless you want to pay a huge mark up when the find one that hits a sweet spot. Extrapolating what you are asking for is so far outside what a normal store would do for a customer, and that is coming from someone who used to run a customer computer shop. In theory a large custom shop could go though some oem chips that come on trays but to run the clocks and multipliers up on them and potentially wipe a part that costs a few hundred dollars is bad for business. A store doing this for a customer would potentially cost double retail. If I had tried this for a customer I would charge triple MSRP for the part just due to the risk of damage to parts the store is testing. It is one thing for a reviewer to get an ES chip from Intel or AMD and run the clocks and multipliers up as if they break it they are just sending it back to its Source in the first place. I am sorry you have had bad luck and you’re not getting the kind of frequency your expecting from your K chip. If you check EBAY you will find chips people have over-clocked already also here on the trade boards you will find chips that have already been over-clocked. But asking most computer shops to do this especially when a lot of them only have boxed retail proc would be beyond what a normal store would be willing to do without a multiplied markup in price.
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post #10 of 13
Intel will be doing this for you with devils canyon release in june. Per intel released info these chips will be binned with better thermal, higher overclockability. But then again, someone will be screening those to find the gems among those as well, but at least duds should be few.
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