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gubben

Is the Silicon lotteria real??

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Hi

 

Have a discuss in a forum , like coments from all here at HWBOT even from the Pros..

 

What you Think of this???

 

 

 

My 2 cents (assumption is cost is not relevant):

1. 980Ti (SLI not very effective in P3D V3.x but I need to test more with V3.2 and latest nVidia drivers)

2. Quad channel motherboard and CPU (Asus X99 Extreme boards work well for OC and Asus R&D socket design to optimize performance) ... memory bandwidth is very important and quad channel setups are typically over 60 GB/s

3. Quad channel RAM (3000Mhz CL15 or better) - 3200 or 3400 might require a lower BCLK.

4. Good water cooling solution for heat extraction.

5. Higher BCLK OC seems to work well for me 125 X 35, 36, 37

6. PSU ... 850W or higher - try to keep loads around 50% of rated (my setup draws about 450-600 Watts under load, my PSU is 1200 Watt) and most importantly try to obtain output results under rapid load switching (this is where many PSUs fail causing high fluctuations in current)

7. M.2 Samsungs 512GB drive is much faster than standard SATA6 SSD (motherboard needs to be equipped with M.2 slot(s).

8. 4K monitor (I like Sony, so long as it can do 30hz and 60Hz and look/operate as good at both refresh rates)

9. 5820K 5930K or 5960X

I don't believe in "silicon lottery" ... you can make any CPU work at high OC with some tuning and efficient heat extraction. If you are concerned about OC I suggest you obtain Intel's replacement guarantee (no questions asked).

I also don't believe in "selected" RAM modules at exotic prices ... these so called "performance" bins are done with internal testing equipment that is not representative of what one will encounter on any brand X motherboard using a different PSU, different GPU(s)/components, electrical outlet, PC location, etc. etc. etc. ... it passed a very specific "controlled" environment -- and one's home environment will be entirely different.

Not a fan of Skylake, cache too small and wasted graphics unit just taking up space.

OC can help you hit that min FPS to match your monitor's refresh rate ... for example Vsync On, 30Hz refresh 4.3Ghz ... if I drop down to 28 FPS I get a stutter or two, at 4.6Ghz I don't drop below 30 FPS (that 2 FPS makes a difference), no stutters and all smooth.

Just my opinion of what has worked for me and I'm certainly NOT suggesting anything beyond that and no "golden" rules.

Cheers, Rob.

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Need to know more than just Core voltage ... that's one very small element of the equation to successful stable OC. I have operated at 4.8 and 5.0Ghz using lower BCLK (100 rather than 125) and adjusting RAM timings but that caused higher latency and less bandwidth, but more importantly I more frequent long frames at extreme graphics settings and add-ons at 4.8 and 5.0Ghz. So I've elected to operate at around 4.6Ghz HT OFF.

But I'll maintain the lottery is NOT real. What is real is the "guess work" that goes into OC ... it's far too "try this and see what happens" ... but when one has close to 100,000+ permutations of BIOS/EFI settings to work with, it's not surprising their is less "science" involved and more "try this". I'm sure there are more permutations I could have tried to come up with higher BCLK and lower latency (at 4.8 or 5.0Ghz), but I just didn't find the right combination ... just a matter of how much time one wants to put into it and not so much a "lottery".

Cheers, Rob.

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I've taken the very same CPU out and then back into the same Motherboard and was not able to OC it has high ... there are just too many other variables to come to the conclusion it's a CPU lottery.

1. socket contamination (micro-spec of dust between a contact and/or other contaminants) on each insert

2. cooling block tension

3. application of thermal paste

4. socket contact depressions (from prior insertions)

5. and the list goes on and on...

The motherboard variance is likely to be the HIGHEST factor in variance in OC's over the 100+ builds I've done over the decades.

I would also NOT trust anything Intel portrait to the public ... Intel have no desktop competition, so they have no incentive to provide CPUs with higher clocks but less profit.

Cheers, Rob

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