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Here's some stats out of Darkwizzie's spreadsheet, from his Haswell Overclocking Guide With Statistics. Help out - post your junk there.
The inset's also attached as a pic so you can see it better. So is the spreadsheet, if you want to play with it. But it's static... Darkwizzie is always adding to the original with more. You too can be a proud datapoint.
Here tis:

DarkwizziesCPUstats4-17-2014.jpg 394k .jpg file
DarkwizziesOverclockingResults.xls 88k .xls file
Of course, this is not a comprehensive systematic review. Still, it's what Haswell clockheads here have found.
Anybody wanna see more? Core-to-uncore ratios and voltages, VID to VCCIN, etc.
The inset's also attached as a pic so you can see it better. So is the spreadsheet, if you want to play with it. But it's static... Darkwizzie is always adding to the original with more. You too can be a proud datapoint.
Here tis:
DarkwizziesCPUstats4-17-2014.jpg 394k .jpg file
DarkwizziesOverclockingResults.xls 88k .xls file
- On average, overclocking takes +0.023 VID per multiplier (e.g. 44 to 45)
- This is true for 4670K and 4770K. In fact, they only differ by 3% (0.0227 vs 0.0234).
- The two chips overclock quite similarly, with a slight nod to the 4770K (average overclock for 4770K is 4.566 versus 4.526 for 4670K). But this is only a 0.04 Ghz difference even though the chips have a nominal 0.1 difference (3.4 Ghz vs 3.5 Ghz).
- You might consider a 1.3 VID not so safe. If so, 54% of folks (88/163) played it safe, with VIDs below 1.3.
- My chip sucks! (red squares)
Of course, this is not a comprehensive systematic review. Still, it's what Haswell clockheads here have found.
Anybody wanna see more? Core-to-uncore ratios and voltages, VID to VCCIN, etc.
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