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Kaby Lake Overclocking Guide [With Statistics] - Page 223

post #2221 of 2821
If you guys are going to manually overclock, or in Xperimental's case underclock your ram, you should thoroughly understand the "OP" in This Thread ... everything you need to know is in the OP and there are very knowledgeable people to help out if you don't repeat questions that are answered in the OP wink.gif

IMHO chasing a CPU's max clocks/lowest temps, by tinkering with Dram voltage, and lower clocks without thoroughly understanding ram over/under clocking is going deep down the rabbit hole until you've exhausted the time tested usual avenues of max case airflow/cooling ... upgrading your CPU cooling solution, or especially in the case of Kaby Lake a "De-Lid" ... my 2 cents, there was some dicey info going on in the preceding pages until Slink3Slyde cleared some of it up redface.gif
 
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Too Easy
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CPUMotherboardGraphicsGraphics
6700K 47/44GHz@1.296v or 48/45@1.360v Adaptive ... Z170 ASUS HERO VIII LGA 1151 (Bios 2202) Evga GTX 1080 SC "SOLD $525" no bios editor! Gigabyte G1 GTX 980Ti 1519/8002 24/7 Bios modded! 
RAMHard DriveHard DriveCooling
TridentZ 3600 15-15-15-36-1T [F4-3600C16D-16GTZ ] Samsung Evo SSD 500GB (boot) Crucial MX300 SSD 1TB (storage) Kraken X61  
OSMonitorMonitorKeyboard
Win10 64bit (sucks) Overlord 27" "Glossy" 1440p@120Hz QNIX QX2710 "Glossy" 1440p@120Hz+  Corsair K65 RGB Cherry Red 
PowerCaseMouseMouse Pad
EVGA SuperNOVA 1200 P2 Platinum NZXT H440 (Hate it!) Logitech G502 / Razer Deathader Rocketfish "Speed" 
Audio
Sound Blaster Z w/ Logitech Z680 5.1 Speakers  
CPUMotherboardGraphicsRAM
2500K@4.6 24/7 ASRock Z68 Ext4 Gen3 (bios 1.10) Gigabyte G1 GTX 980Ti 1532/8002 24/7 Bios modded GSkill F3-17000CL11D-8GBXL 1.54v 
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post #2222 of 2821
Quote:
Originally Posted by dirtyred View Post

I might have forgotten to tell you not to use XMP profiles. If you did set it, do a BIOS reset and set your RAM manually. XMP is basically auto OC so I don't recommend it.
Argg, although you make sense it's hard to reset as the system is running under 80 degrees in RAM tests.. rolleyes.gif
Quote:
Originally Posted by dirtyred View Post

If you apply AVX offset, you can combine it with a Vcore reduction. If you lower one there's sense in lowering the other one as well.
What's the heat reduction of this setting, you recon?

BIOS settings with no AVX
Vcore 1.325V @ 5GHz
Vcore 1.300V @ 4.9GHz
post #2223 of 2821
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x79
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z170/z270
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Nvidia Tesla C-class 2 GTX Titan X Pascal (water cooled) GSkill 3200c14 TZs 8x8GB @ 3400c13 Intel 750 NVMe 400GB 
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x99
(28 items)
 
x79
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z170/z270
(27 items)
 
CPUCPUMotherboardGraphics
i7 5960X i7 6950X Asus Rampage V Extreme (STD and model-10) 2 GTX TitanX w/ EK Blocks & Backplates 
GraphicsGraphicsRAMHard Drive
Nvidia Tesla C-class 2 GTX Titan X Pascal (water cooled) GSkill 3200c14 TZs 8x8GB @ 3400c13 Intel 750 NVMe 400GB 
Hard DriveHard DriveHard DriveOptical Drive
Plextor 256GB M6e M.2 2x Plextor SSD 256 Raid 0 (Win 7) Samsung NVMe 950 Pro M.2 Plextor 810 
CoolingCoolingCoolingCooling
Aquacomputer GiGant 1680 (4x420) external Rad XSPC RX360 Koolance 380i Laing DDC-1T (2) 
CoolingOSOSOS
Koolance EXC-800 Chiller Windows 10 x64  Windows 7 Pro Linux Mint 
MonitorMonitorKeyboardPower
ASUS Swift 1440P 144Hz Seiki 50" 4K monitor (720P-2160i) 240-30Hz Das Keyboard Model S Pro Corsair AX1500i 
CaseMouseAudioOther
MicroCool Banchetto 101 Steelseries Rival Ultimate Ears TF10 Koolance Pump/Fan Controller 
CPUMotherboardGraphicsRAM
i7 4960X @ 4.7 Asus Rampage IV Black Edition R9 295x2 w/ Koolance Block G Skill 2400 c9 (@ 2133c8) 
Hard DriveHard DriveHard DriveHard Drive
Plextor 512 SSD VelociRaptor 600GB WD Black 2T 4 Terabyte NAS 
Optical DriveOptical DriveCoolingCooling
Asus BluRay R/W Lite On  AquaComputer 720XT Koolance 380i 
CoolingOSMonitorKeyboard
Liang DCC Aux Pump Win10x64 Samsung U28D590 4K/60 (primary) SteelSeries G6 (Cherry Red) 
PowerCaseMouseAudio
Corsair AX1200 Sliverstone TJ09 G700 on-board 
Audio
Ultimate Ears TF10s 
CPUCPUCPUMotherboard
i5 6600K i7 7700K i3 7350 ASUS Max iX APEX, Asrock MOCF, M8Impact 
GraphicsGraphicsGraphicsRAM
ASUS GTX 1080 Turbo ASUS GTX 960 Mini EVGA GTX 550Ti G.Skill 3600c15 
RAMHard DriveHard DriveHard Drive
G.Skill 4266c19 Samsung SM951 WD VR 300 Intel 750 NVMe U.2 
Hard DriveHard DriveOptical DriveCooling
Mushkin 512 Intel 600 NVMe Raid0 Plextor DVD ROM Custom Water (Koolance 380i / XSPC 360v2) 
CoolingOSOSOS
Corsair H80iV2 (M8I) Windows 10 Pro Window 7 Linux Mint 
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post #2224 of 2821

Already using Cool laboratory liquid ultra.
post #2225 of 2821
Guys sry for an off topic, any of you run/know how to use nzxt cam software on windows 10 tablet to show my pc temps istead of tablets temps? Nzxt cam softweare seams to detect the tablet as a pc and not as a tablet.
I got no problems with my iphone monitoring temps from pc but with win10 tablet i kinda cant find a easy way .
Thx
Edited by MaKeN - 5/1/17 at 5:51pm
post #2226 of 2821
Quote:
Originally Posted by TomcatV View Post

If you guys are going to manually overclock, or in Xperimental's case underclock your ram, you should thoroughly understand the "OP" in This Thread ... everything you need to know is in the OP and there are very knowledgeable people to help out if you don't repeat questions that are answered in the OP wink.gif

IMHO chasing a CPU's max clocks/lowest temps, by tinkering with Dram voltage, and lower clocks without thoroughly understanding ram over/under clocking is going deep down the rabbit hole until you've exhausted the time tested usual avenues of max case airflow/cooling ... upgrading your CPU cooling solution, or especially in the case of Kaby Lake a "De-Lid" ... my 2 cents, there was some dicey info going on in the preceding pages until Slink3Slyde cleared some of it up redface.gif

It's not underclocking. Basically everything above the standard 2133 MHz is overclock. A RAM with an advertised speed means it was tested and capable of running on that speed. Deviating from that is not harmful at all but can be helpful. Upgrading cooling solutions is not cheap, delidding voids warranty and not everybody prefers it (I'm still undecided) while playing with RAM voltage is a pretty much free and won't hurt overall system performance that much or at all in certain conditions. I'm not saying I'm an expert in the topic, I did say everything from my personal experience. Sorry if it was misleading or complete bull****.
Quote:
Originally Posted by Xperimental View Post

Argg, although you make sense it's hard to reset as the system is running under 80 degrees in RAM tests.. rolleyes.gif
What's the heat reduction of this setting, you recon?

BIOS settings with no AVX
Vcore 1.325V @ 5GHz
Vcore 1.300V @ 4.9GHz

No clue but in my case I see around 2-3 degrees between 0.016 V steps in Vcore. Don't rely on BIOS settings, what matters is the Vcore under load, that's when Vdroop (or Vboost) kicks in mostly. Probably around 4-6 degrees but that's just a wild guess. Don't take my word on it, test it with fixed fan speeds under the same (or at least similar) conditions.
    
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post #2227 of 2821
@TomcatV Thanks for mentioning that thread, I will look into that as well. It is alot of effort for a few degrees less, but I don't mind.
Quote:
Originally Posted by dirtyred View Post

It's not underclocking. Basically everything above the standard 2133 MHz is overclock. A RAM with an advertised speed means it was tested and capable of running on that speed. Deviating from that is not harmful at all but can be helpful. Upgrading cooling solutions is not cheap, delidding voids warranty and not everybody prefers it (I'm still undecided) while playing with RAM voltage is a pretty much free and won't hurt overall system performance that much or at all in certain conditions. I'm not saying I'm an expert in the topic, I did say everything from my personal experience. Sorry if it was misleading or complete bull****.
I agree. I do not prefer delidding either; without the proper tools and experience it's risky and I don't want to void the warrenty (yet). I rather upgrade cooling solutions. Speaking of which, what cooling solution shuld replace my AIO CoolerMaster MasterLiqued Pro 280 with?
Besides the way I see it, it gives fast results without understanding OC better.

Quote:
Originally Posted by dirtyred View Post

No clue but in my case I see around 2-3 degrees between 0.016 V steps in Vcore. Don't rely on BIOS settings, what matters is the Vcore under load, that's when Vdroop (or Vboost) kicks in mostly. Probably around 4-6 degrees but that's just a wild guess. Don't take my word on it, test it with fixed fan speeds under the same (or at least similar) conditions.
I am using the same fixed fanspeeds in all the tests, they are at full 24/7. I will get back when I have done some new testing.

Cheers!
post #2228 of 2821
Hello!
New to this forum and overclocking in general, but i just got my 7600k and i've been experimenting with some OC and i have som questions i hope you guys could help me with! smile.gif

I'm going to run longer stress-tests once i find the lowest Vcore to pass 15mins of testing, but what are your opinions on prime95 - should i be worried about not passing it? I can pass 30mins of x264 and Realbench, but i cant pass prime95. My goal is a stable clock for gaming and daily use with ok temps.

Current setting:
Vcore 1.35 @ 5ghz
Realbench temp: Max 75c (average 65c)
Idle temp: 26c
Cache: Auto (for now)
DRAM: Auto (for now)

Setup:
i5 7600K
Asus z270h Strix
Corsair H75i
Corsair Vengeance LPX 16gb 3000mhz
Edited by Spectryx - 5/2/17 at 3:13am
post #2229 of 2821



CPU-Z Validation: https://valid.x86.fr/mr1viy

Username: dirtyred
CPU Model: 7700K
Base Clock: 100
Core Multiplier: 48
Core Frequency: 4800
Cache Frequency: 42
Vcore in UEFI: 1.25 (manual/static)
Vcore: 1.25 V (mostly 1.248, occasional spikes to 1.264)
FCLK: 1000
Cooling Solution: Phanteks PH-TC14PE (mostly running below 1000 RPM for low noise)
Stability Test: RealBench 2.54 8 hours

Batch Number: L640G413 Malaysia
Ram Speed: 3000 16-16-16-28-2T
Ram Voltage: 1.2 V
VCCIO:
VCCSA:
Motherboard:Z270 Asus Prime Z270-K (BIOS 0610)
LLC Setting: LLC Level 6
Misc Comments:
BCLK Spread Spectrum: Disabled
CPU SVID Support: Disabled
CPU Current Capability: 120%
CPU Power Phase Control: Extreme
SpeedStep: Disabled
Long Duration Package Power Limit: 4095
Package Power Time Window: 127
Short Duration Package Power Limit: 4095
IA AC Load Line: 0.01
IA DC Load Line: 0.01

Fractal Design Define C case with stock coolers (Dynamic X2 GP-12) as intake/outtake, 2 x Arctic F12 fans (1 intake, 1 on CPU cooler block's front, because 140 mm fans won't fit)

Fans are configured to be as silent as possible while keeping temperatures below 80 °C, only peaking above for 1-2 seconds when the fans can't spin up fast enough. From 5 meters across the room is barely audible.
    
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post #2230 of 2821
Quote:
Originally Posted by becks View Post

Firstly I would suggest ditching the profiles as they in best case only overshoot everything....like msi 1 button 5.0 GHz one putting the CPU at 1.5v.
Secondly go trough @Jpmboy signature overclocking guide (asus website)...
For temps, go with Core Temp or Hwinfo...ai suite is really for automated / beginner stuff.. for anything more you ditch ai suite / key bot and other software like that...
Also if the difference in temps keeps on going try and check your PLL voltage in Bios...A value of 1.1 - 1.2 should be fine...
Report back once you do this and will see where to go from there. What freq is your ram at ? XMP ON ? Try putting XMP off and set freq manually.

Hope it helps..

Sorry for the delay in getting back to this... the way I do stability tests, 12hrs, and changing core v, increments as low 0.005v, makes it a very slow process. Anyways, so I ditched the auto settings and went full manual. My ram's only 2400 but I went and set that all manually. In the end, because of temperatures in HWInfo, I could still only really get 4.5GHz at 1.295v in BIOS. I re-did the cooler multiple times and unfortunately there were no real change in temps - I think my CPU's bit of an overclocking potato and it'd be too time consuming, expensive, and frustrating to push for much more - so I was going to stay there.

However, due to coil whine issues with the Asus board - I wasn't satisfied with Asus' reply asking me to test a bunch of impractical things - I've now switched back to Gigabyte and a Gaming 7 board. Straight away I've been able to get 4.6GHz with 1.26v, although it runs a little hot with temps spiking at around 85c in OCCT - the auto 4.6GHz setting was oddly unstable in OCCT and unfortunately I didn't make note of what the core v was. Testing with lower voltages, it can boot at 1.2v but is not stable - OCCT errors very quickly.

So far, at 4.6GHz, I've achieved 12hrs stable at 1.245v with max spike of 85c in OCCT and an average of 70c - I can live with this. The only problem I have at the moment is the voltage according to CPU-Z does not drop below 1.248v even at idle.
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