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post #1921 of 2004 (permalink) Old 09-15-2019, 12:47 PM
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Is there any indication of 9900KF being better binned, or statistically being a better overclocker than a 9900K?

Should I expect better thermals with a 9900KF?

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post #1922 of 2004 (permalink) Old 09-15-2019, 01:23 PM
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Quote: Originally Posted by ahnafakeef View Post
Is there any indication of 9900KF being better binned, or statistically being a better overclocker than a 9900K?

Should I expect better thermals with a 9900KF?
Only because the 9900K has been phased to R0 stepping and the good R0 samples are being binned as 9900KS.
9900KF isn't being binned like this because of defective GPU dies.

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post #1923 of 2004 (permalink) Old 09-15-2019, 01:39 PM
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Quote: Originally Posted by Falkentyne View Post
Only because the 9900K has been phased to R0 stepping and the good R0 samples are being binned as 9900KS.
9900KF isn't being binned like this because of defective GPU dies.
What stepping and batch should I look for for each of the CPUs to ensure a good overclocker?

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post #1924 of 2004 (permalink) Old 09-16-2019, 03:30 AM
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Guys, how does 9900K|F hot?
I have 8700K and Z390 and thinking about a little upgrade (as I can see now I can buy 9900KF for 420$ ), now I have in AC Odyssey 50-60 Celsium Degrees (5GHz, 1440p resolution) under top air PHANTEKS PH-TC14PE and totally silent PC, because fans are running on 900-1000RPM, but I am afraid that with 9900K (or KF it doesn`t matter) I will get 70-80 Celsium Degrees in games and very noisy PC.

|Intel Core i7-8700K(@5GHz)+Phanteks PH-TC14PE|Nvidia GTX 1080-Ti(@2000/12200MHz)+RAIJINTEK MORPHEUS II + 2 * Phobya NB-eLoop 1600rpm|
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post #1925 of 2004 (permalink) Old 09-19-2019, 05:43 PM
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About 3 weeks ago I burnt My 9900k chip , did a direct die kit and it burnt 3 pins out. So after some shopping found myself pretty easily a 9900k R0 Stepping . What a difference with the new chip, lower voltage cooler running and 100 percent stable 5.0 avx off. Down below is a comparison of new and old chips. So far really happy that this chip runs as cool as a nice 8700k


9900K
Speed Real Bench 2h Pass. 5.0 Avx - 2
vCORE 1.37
Memory Speed pass 4000mhz cl17
Load Temps Bench 89c -92c
Game Temps Bench 58c -65c

9900K r0 Stepping
Speed Real Bench 2h Pass. 50 Avx -0
vCORE 1.32
Memory Speed pass 4000mhz cl16
Load Temps Bench 79C - 82C
Game Temps Bench 48C - 56C
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Last edited by the_real_7; 09-19-2019 at 05:48 PM.
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post #1926 of 2004 (permalink) Old 09-20-2019, 05:10 AM
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Quote: Originally Posted by ahnafakeef View Post
Quote: Originally Posted by Falkentyne View Post
Only because the 9900K has been phased to R0 stepping and the good R0 samples are being binned as 9900KS.
9900KF isn't being binned like this because of defective GPU dies.
What stepping and batch should I look for for each of the CPUs to ensure a good overclocker?
it's more speculation than anything at this point that the R0 steppings are left over batches from the ks chips. Intel is not going to deliberately handicap itself. Are there going to be bad batches of any stepping of course 100%.
I recieved a R0 chips 3 weeks ago, it has fortunately has been the best 9900k I've had out of 3 by a long shot. People get a alot of misinformed information in the web and run with it just to say they said it without verifying the info for themselves .

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post #1927 of 2004 (permalink) Old 09-20-2019, 07:41 PM
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Quote: Originally Posted by Falkentyne View Post
Only because the 9900K has been phased to R0 stepping and the good R0 samples are being binned as 9900KS.
9900KF isn't being binned like this because of defective GPU dies.
Same phenomenon occurred when Intel was binning the 8086k; 8700K samples prior to L740 were better than the later ones.

Assuming all KFs ship with truly defective iGPUs or ones that were not meeting the UHD630 rated spec (and are obviously excluded from KS binning), the odds of getting KFs with better cores over regular K's on current batches are possibly higher.

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post #1928 of 2004 (permalink) Old 09-24-2019, 03:55 AM
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Ok so after a full day of messing with Power Limits and stress testing software I think I've found what needs what.

My power limits are such:
PL1=200
TAU=60
PL2=210

I wan't happy that x265 Benchmark was triggering the power limit when TAU was set to 30 as it was only drawing 203w, Increasing it to 60 fixed that but kept the same temps, I'm still maxing out at 85c (No air con on, about 25c ambient), which is fine for these chips for short periods.

Now with these power setting only Prime65 Smallest/Small FFT, OCCT Small Data set and Linux will trigger the power limit, everything else will run at the full 5Ghz clocks with acceptable temps.

This also has allowed me to drop my vcore due to setting a lower power limit for higher avx loads.

Spent 2 days testing everything, it is much better than AVX offsets for sure, a little tedious testing each program you use to see which triggers the power limit, but hopefully now I've done the testing you'll know where to start.


Last edited by schoolofmonkey; 09-24-2019 at 05:30 PM.
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post #1929 of 2004 (permalink) Old 09-25-2019, 12:08 AM
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Hi, been trying to figure out if my waterblock is the problem or the chip is really this crazy hot as during gaming i got spikes of 72-76 in Bf5 on aida or prime i thermal throttle. I'm running 1x480mm rad plus 1x360mm the other thing in my loop is a 2080ti but the temperatures on that max out at about 47.

Vcore 1.32 (bios)
Freq 5.0ghz with avx 0
Cpu block is a EK supremacy evo.

Ty

LE: My temperatures were really good with my intel 4970k, Ryzen 1800x, intel 8700k and 8086k
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Last edited by Webster200x; 09-25-2019 at 12:23 AM.
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post #1930 of 2004 (permalink) Old 09-25-2019, 02:54 AM
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Quote: Originally Posted by Webster200x View Post
Hi, been trying to figure out if my waterblock is the problem or the chip is really this crazy hot as during gaming i got spikes of 72-76 in Bf5 on aida or prime i thermal throttle. I'm running 1x480mm rad plus 1x360mm the other thing in my loop is a 2080ti but the temperatures on that max out at about 47.

Vcore 1.32 (bios)
Freq 5.0ghz with avx 0
Cpu block is a EK supremacy evo.

Ty

LE: My temperatures were really good with my intel 4970k, Ryzen 1800x, intel 8700k and 8086k
Not that i have a custom loop just a EK MLC 280, but the spikes in BFV i find are when the map loads for me and they are that fast that i think there is not enough time for the heat to "soak" into the cooling system before it drops back to normal. Someone with a custom loop might be best to comment on the stress tests

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