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Skylake Overclocking Guide [With Statistics] - Page 934

post #9331 of 11372
Quote:
Originally Posted by ithehappy View Post

If I run Prime95 26.6 SmallFFT then the cores don't run at 4200 MHz but around 4000 MHz, is this normal? For a non-overclocked system I am asking? To have them run at 4200 I have to enable the All Core Enhancement thing!

Core enhancement only works when you are not overclocking the chip... (basically all clock controls need to be on auto). If you have an ASUS board, you can only disable the ASUS CE, Intel's CE is always there, but is disabled as soon as you exceed the stock max turbo multiplier. If you want the rig to run at 42 under a high floating point load like SM FTTs (a basically useless stress test - it only really tests your cooling) synch all cores, set 42x100 and disable speedstep. If it still down clocks, check the power settings and check for thermal throttling.
BUT - I would not run SM FFTs at all. What trips up these cpus is NOT hammering a section of the architecture with repetitive identical instructions, but rapidly changing instruction sets that cover all logic substructures. If you must use a Jurassic thing like p95,m do a custom blend across all size ffts., and set the FFT time to no more than 5 min per fft. Better to use ASUS real bench (a few hours), HCI memtest (500% run according to the author's instructions), and maybe a few loops of IBT, OCCT (large data set) or any other similar FPU stress (even Krieg MAthBench should be enough). I've never had a cpu crash after that sequence. Ever.

Don't confuse heat generated with logic difficulty.
Edited by Jpmboy - 10/10/16 at 8:37am
x99
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i7 5960X i7 6950X Asus Rampage V Extreme 10 2 GTX Titan X Pascal 
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GSkill 3200c14 TZs 8x8GB @ 3400c13 Intel 750 NVMe 400GB 2x Plextor SSD 256 Raid 0 (Win 7) Samsung NVMe 950 Pro M.2 
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G.Skill 3600c15 2x8GB kits Intel 900p WD Raptor 1T Plextor SSDs Raid 0 
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i7 5960X i7 6950X Asus Rampage V Extreme 10 2 GTX Titan X Pascal 
RAMHard DriveHard DriveHard Drive
GSkill 3200c14 TZs 8x8GB @ 3400c13 Intel 750 NVMe 400GB 2x Plextor SSD 256 Raid 0 (Win 7) Samsung NVMe 950 Pro M.2 
Optical DriveCoolingCoolingCooling
Plextor 810 2x XSPC RX360 Koolance 380i D5 
CoolingOSOSOS
Aquaero 6 Windows 10 x64  Windows 7 Pro Linux Mint 
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Seiki 50" 4K monitor (720P-2160i) 240-30Hz Das Keyboard Model S Pro Corsair AX1200 Case Labs SM8 
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8700K ASUS Maximus X Apex GTX 1080 2x8 GB G.Skill 4400c19 
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post #9332 of 11372
Quote:
Originally Posted by dlewbell View Post

This is completely normal, & actually how Intel's Turbo Boost is designed to work. When only one (or a few in some cases) cores are under load, the CPU will run a the turbo rated frequency. As more cores are loaded, the frequency drops. Once you have full load on all cores, they typically will run at the standard rated frequency of the chip (or in some instances slightly higher if other conditions are met). All Core Enhancement can technically be considered a very mild overclock.
Oh thanks for this info, didn't know this! I thought Turbo mode will push all the cores to 4200 when under 100% load!
post #9333 of 11372
Finally joined the big boys...been on a Xeon Mod with my old 775 board: E5450 @ 4.2GHz.

This is my new setup ...the PM961 is a beast!!
Edited by lightcycle - 10/10/16 at 9:17am
 
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Thermalright True Spirit 120 B/W Windows 10 Pro Samsung S24B300 Evga 500W 
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post #9334 of 11372
Anyone else using offset mode on an Asrock board...mines running 320mV offset on a 1.17 Vid. Too high?
Edited by lightcycle - 10/10/16 at 3:56pm
 
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i5 6600K @4.75GHz Z170 Extreme4 2x4GB HyperX Savage DDR4 2800 @ 3100 PM961 256GB NVMe M.2  
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i5 6600K @4.75GHz Z170 Extreme4 2x4GB HyperX Savage DDR4 2800 @ 3100 PM961 256GB NVMe M.2  
CoolingOSMonitorPower
Thermalright True Spirit 120 B/W Windows 10 Pro Samsung S24B300 Evga 500W 
CaseMouse
Bitfenix Nova Logitech Anywhere Nano 
CPUMotherboardGraphicsRAM
Xeon E5450 @ 4.2GHz P5K Premium Wifi AP HD6450 4x2GB Crucial DDR2 1100 @ 1121MHz 
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post #9335 of 11372
Quote:
Originally Posted by Daytraders View Post

Well your lucky then, i have like 60+ AAA game titles installed, and i see hardly any difference in fps myself, maybe 1 or 2, cant believe you get 15/20% increase, thats great, maybe be something wrong with my 6700K then ? passes all tests in the The Intel® Processor Diagnostic Tool thou.

You are running a 780TI, which is roughly equal to a GTX970, so I don't think going from 4790k to 6700k will make a difference. I have a 1070 o/c on the other hand, so I think that's the reason why.
    
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Hard DriveHard DriveOptical DriveCooling
128GB Samsung PM961 SSD NvME 4TB WD Red PRO Hard Drive 7200RPM LG DVDRW SATA Cryorig H5 Universal 
CoolingOSMonitorKeyboard
4x Coolermaster 120mm Silent Case Fan Windows 10 x64 Pro Dell S2240M 21.5 LED IPS Monitor HP Wireless Elite Keyboard 
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post #9336 of 11372
Quote:
Originally Posted by marik123 View Post

You are running a 780TI, which is roughly equal to a GTX970, so I don't think going from 4790k to 6700k will make a difference. I have a 1070 o/c on the other hand, so I think that's the reason why.
Yeh i think your right after thinking about it.
post #9337 of 11372
I have a 6600K, and reached 4.7 Ghz at 1.43/1.44v pretty stable. Is this safe for 24/7 :Dse or should I go back down to 4.6Ghz? I want this to last for at least 3 more years.

My temps are around 65C at max load, and 20-30C idle.
Edited by Enochen - 10/10/16 at 1:17pm
Nexus
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 6600K MSI Z170M Mortar mATX NVIDIA GeForce GTX 950 Vengeance LPX 16GB (2x8GB) DDR4 DRAM 2400MHz C14 
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Hyper 212 Evo Windows 10 Azio MGK1 EVGA SuperNOVA 750 B2 
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Nexus
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CPUMotherboardGraphicsRAM
Intel Core i5 6600K MSI Z170M Mortar mATX NVIDIA GeForce GTX 950 Vengeance LPX 16GB (2x8GB) DDR4 DRAM 2400MHz C14 
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Hyper 212 Evo Windows 10 Azio MGK1 EVGA SuperNOVA 750 B2 
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post #9338 of 11372
Quote:
Originally Posted by Enochen View Post

I have a 6600K, and reached 4.7 Ghz at 1.43/1.44v pretty stable. Is this safe for 24/7 :Dse or should I go back down to 4.6Ghz? I want this to last for at least 3 more years.

My temps are around 65C at max load, and 20-30C idle.
On water ?
post #9339 of 11372
I am coo
Quote:
Originally Posted by Daytraders View Post

On water ?

I'm cooling with a Hyper 212 Evo
Nexus
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 6600K MSI Z170M Mortar mATX NVIDIA GeForce GTX 950 Vengeance LPX 16GB (2x8GB) DDR4 DRAM 2400MHz C14 
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Hyper 212 Evo Windows 10 Azio MGK1 EVGA SuperNOVA 750 B2 
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Nexus
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 6600K MSI Z170M Mortar mATX NVIDIA GeForce GTX 950 Vengeance LPX 16GB (2x8GB) DDR4 DRAM 2400MHz C14 
CoolingOSKeyboardPower
Hyper 212 Evo Windows 10 Azio MGK1 EVGA SuperNOVA 750 B2 
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post #9340 of 11372
Quote:
Originally Posted by Enochen View Post

I am coo
I'm cooling with a Hyper 212 Evo
Thats great but sounds impossible, im at 4.5 with just 1.3v with a d14 and in prime get 85c under load and 30c idle, how the hell you get thouse low temps at that clock and very high voltage ?
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