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Kaby Lake Overclocking Guide [With Statistics] - Page 202

post #2011 of 2898
Do you guys recommend buying Silicon Lottery do you at least get a decent CPU to start with?
post #2012 of 2898
Quote:
Originally Posted by peter2k View Post

aww come one
it doesn't say it's a huge factor
same about voltage stability

of course it could hinder you're OC


however traditionally people that build custom PC's (especailly for overclocking) have gone with too high rated PSU's from some good brand anyways

I would even venture so far that it would be hard to find a really bad PSU these days
it's not like you're gonna save big bucks on being cheap on the PSU
Well I never said it was a huge factor but it is a factor nonetheless! Certainly a variable to be considered along with the MOBO and CPU.
post #2013 of 2898
Quote:
Originally Posted by dmo580 View Post

Do you guys recommend buying Silicon Lottery do you at least get a decent CPU to start with?
Absolutely yes! I have purchased 3 CPUs from them a 4790K@4.9Ghz/1.275V which actually did 5.0Ghz@1.285V a 6700K@4.9Ghz which did as advertised and now a 7700K@5.2Ghz/1.375V but needs 1.39V on my set up. Reasonably priced relative to other companies that bin chips thumb.gif
post #2014 of 2898
Quote:
Originally Posted by scracy View Post

Absolutely yes! I have purchased 3 CPUs from them a 4790K@4.9Ghz/1.275V which actually did 5.0Ghz@1.285V a 6700K@4.9Ghz which did as advertised and now a 7700K@5.2Ghz/1.375V but needs 1.39V on my set up. Reasonably priced relative to other companies that bin chips thumb.gif

You bought the 5.2ghz 7700k? It's quite pricey smile.gif
post #2015 of 2898
Quote:
Originally Posted by dmo580 View Post

You bought the 5.2ghz 7700k? It's quite pricey smile.gif
Relative to what Overclockers UK charge for the same frequency chip (900 GBP) it isn't.
post #2016 of 2898
Quote:
Originally Posted by scracy View Post

Relative to what Overclockers UK charge for the same frequency chip (900 GBP) it isn't.
Guess we are lucky in some areas of the US. We can buy a 7700k from some stores and return no questions asked...

Of course, if you delid it, you can't return it...
post #2017 of 2898
Quote:
Originally Posted by JBrutWhat View Post

Guess we are lucky in some areas of the US. We can buy a 7700k from some stores and return no questions asked...

Of course, if you delid it, you can't return it...
Depends on your circumstances too, for me to pull apart my custom hardline loop to bin chips is a pain not to mention selling off the duds. People here aren't stupid they know a current CPU that has been opened is more than likely not a good overclocker.
post #2018 of 2898
Quote:
Originally Posted by dirtyred View Post


I was thinking about the same thing. A good PSU might be a huge factor in overclocking but it should be tested with multiple PSU's including cheaper ones using the same OC settings. But I suspect that it mostly affects VRM's lifetime as those have to work harder. Maybe somebody did it already and posted it somewhere on the internet.
Yeah, I would have expected that in the USA but not in Hungary where Intel is not present only in neighbour countries. Did you wrote them an email or how did you contact them?
I contacted Intel by phone for everything including the free cross shipping.biggrin.gif
post #2019 of 2898
Quote:
Originally Posted by scracy View Post

Relative to what Overclockers UK charge for the same frequency chip (900 GBP) it isn't.

Oh certainly I understand what you're saying. I'm more looking at it from a frequency vs $ perspective.

If you buy a 5.1 GHz vs 5.2 GHz chip you're paying almost 30% more for 100 MHz more. I get that for some that's not an issue but I guess if you want to win an OC competition that certainly is necessary.

But it sounds like your experiences with Silicon Lottery are that their voltages on their site are conservative? For instance if I buy a 5.1 GHz, I probably wouldn't want to run at 1.4vcore 24/7, so is there even a point? Or is it likely the 1.408 they listed is fairly conservative and I could very well be seeing a chip that does 1.35?
post #2020 of 2898
Quote:
Originally Posted by wingman99 View Post

I was talking about Adaptive/Dynamic DVID. So the Vcore according to VID will go up and down according to CPU load.

Example Auto LLC, DVID/Adaptive full load prime95 1.332v, RealBench 1.284v, IDLE ~0.600v. No Vdroop.smile.gif

BTW I re-read what you wrote and thought about how Gigabyte doesn't have an Adaptive mode. You're right DVID mode on Gigabyte = use VID table from CPU.

I believe in that case your Vdroop should be measuring the difference between Vcore and VID?

Anyhow, the reason I ended up not using DVID mode is because I noticed it would give my chip a LOT more volts than necessary. Like easily 0.1v more than needed. Doing an offset of -0.1v can be risky because at lower speeds you could then BSOD. So yes I ended up returning my board just so I could get one with Adaptive mode. I never would've thought that would be an issue given I used offset mode on my Gigabyte X58A board (back before adaptive existed). I think I just got pickier because there are other better options out there.
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