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Skylake Overclocking Guide [With Statistics] - Page 567

post #5661 of 11289
Quote:
Originally Posted by Edge0fsanity View Post

one last question, for quick and dirty ram stability testing/benching what programs do you guys use? Right now i'm using superpi for benching and aida for stability. I'll use memtest once i close in on an oc i like.

http://www.overclock.net/t/1569364/official-skylake-haswell-e-24-7-ddr4-memory-stability-thread/0_50
post #5662 of 11289
Quote:
Originally Posted by Edge0fsanity View Post

can anyone tell me what the maximum safe voltages for g.skill trident z ddr4 ram is on the z170 platform for daily use? I asked this in another thread i have going in the memory forum but i doubt i'll get a response anytime soon.

The 14 cas 3200 4x8gb sticks i ordered showed up yesterday and i've been playing with different timings, frequencies, and voltages since then. I know the guide in this thread says 1.4v for ddr voltage and i've read elsewhere 1.3v for sa and 1.25v for vccio but this isn't cheap ram. How much further can i go without risking a lot of degradation? I'm fairly new to oc'ing ram, i've always run it at rated speeds in the past.
I have these as well but just the 2x8gb set. I'm currently trying to find the lowest voltages they work at the rated specs. Currently DRAM volt is at 1.320. I guess we're going completely opposite direction biggrin.gif
post #5663 of 11289
Welp 6700k is on its way to Texas to be delidded by silicon lottery...hoping for a quick turn around....


Edit: OK call me stupid but i have a question. The whole time I was testing the stability of my chip at various voltages I left my memory overclocked to the max. I was running Gskill ripjaws V with a 3200 profile. I overclocked this further to 3468 at 15 17 17 34 @1.39V would this have a drastic effect on the overclockability of my chip? In reading I see most people do not overclock both. at the very least they tune down the overclock of the ram to achive better clocks. why is that? What makes the ram overclock cause instabilities with the CPU overclock?


Always destroying exergy!!
Edited by superkyle1721 - 2/12/16 at 3:58pm
post #5664 of 11289
Quote:
Originally Posted by superkyle1721 View Post

Welp 6700k is on its way to Texas to be delidded by silicon lottery...hoping for a quick turn around....


Edit: OK call me stupid but i have a question. The whole time I was testing the stability of my chip at various voltages I left my memory overclocked to the max. I was running Gskill ripjaws V with a 3200 profile. I overclocked this further to 3468 at 15 17 17 34 @1.39V would this have a drastic effect on the overclockability of my chip? In reading I see most people do not overclock both. at the very least they tune down the overclock of the ram to achive better clocks. why is that? What makes the ram overclock cause instabilities with the CPU overclock?


Always destroying exergy!!

The main thing is you don't want to overclock your ram, and your cpu and test them both at the same time because you won't know which one of the two is the problem. Since cpu clocks > ram clocks, it is better to test for max cpu clocks first, and once that's stable, apply your ram overclocks/timings and test again.

The other thing is more stress on the memory controller. Things have gotten better in this department though. In the past (not sure of now), even running 4 dimms on a cpu would result in crappier overclocks.

I have been fortunate to have been using the same ddr3 for quite a while over many cpus, and although I loosen my timings and speeds for cpu overclocking, in the end - I have not found any decrease in cpu clocks due to my ram overclock in MY case. I have run the same 1500mhz 7-8-8 or 7-8-7- 1T / 1.65v timings on Phenom II - FX - and now i5-6600k. Because of this I usually apply this known stable clock. If I fail within 30 minutes or so I will try again with loosened ram timings/speeds to make sure that wasn't the problem.

But in the end if you continue to push your RAM after your have already settled on a cpu clock, you will have to test again for stability. 1 hour of prime blend using 80% memory should be enough but would still do memtest to be sure.
Edited by madmanmarz - 2/12/16 at 5:09pm
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CPUMotherboardGraphicsRAM
Intel i5-6600k @ 4.7, 1.44v ASRock Fatal1ty Z170 Gaming K4/D3 (DDR3!!) Sapphire R9 290x (fully unlocked 290) 2x8GB Crucial Ballistix DDR3L @2400 11-12-12-31... 
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post #5665 of 11289
Quote:
Originally Posted by superkyle1721 View Post

Oh for sure. If I could get someone to print me the delid tool I would be all for it. I don't trust myself with such an expensive chip for the razor method and the darn pcb is so thin I can't risk it on the vise method. I may send it in and get it down but I don't want to be without a chip while I wait.


Always destroying exergy!!

It made me nervous as all heck but If you just use the razor in one corner, being sure not to push down (applying pressure towards the cap) and then just use some old laminated card, thin credit card etc to stick in there and work your way around with that. Take a look at a naked cpu and choose a corner without stuff near it.
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CPUMotherboardGraphicsRAM
Intel i5-6600k @ 4.7, 1.44v ASRock Fatal1ty Z170 Gaming K4/D3 (DDR3!!) Sapphire R9 290x (fully unlocked 290) 2x8GB Crucial Ballistix DDR3L @2400 11-12-12-31... 
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OCZ Vector 180 240GB Raid 0 OCZ Vector 150 240GB Raid 0 Seagate Momentus XT 750GB (gen 2) Enzotech Sapphire SCW-Rev.A CPU block 
CoolingCoolingCoolingCooling
Swiftech MCW80 GPU block Phobya Xtreme 200 v2 (200x45mm) Alphacool NexXxos ST30 (240x30mm) XSPC RX120 (120x60mm) 
CoolingCoolingCoolingCooling
Alphacool VPP655 / Laing D5 XSPC Dual Bay Res NZXT Sentry Mesh Fan controller Primochill Advanced LRT 3/8" Blue UV tubing 
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Hard DriveHard DriveHard DriveCooling
OCZ Vector 180 240GB Raid 0 OCZ Vector 150 240GB Raid 0 Seagate Momentus XT 750GB (gen 2) Enzotech Sapphire SCW-Rev.A CPU block 
CoolingCoolingCoolingCooling
Swiftech MCW80 GPU block Phobya Xtreme 200 v2 (200x45mm) Alphacool NexXxos ST30 (240x30mm) XSPC RX120 (120x60mm) 
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post #5666 of 11289
Thanks for the info. I ran a stress test before I shipped out my processor at 4.9 Ghz 1.43V and it ran fine for about an hour but then finally the screen froze. Now im curious if it would be possible to turn down the speed of the ram and it would work fine....Oh well I have a lot of testing to do when I get the chip back. I will update results eventually.
post #5667 of 11289
Quote:
Originally Posted by superkyle1721 View Post

Thanks for the info. I ran a stress test before I shipped out my processor at 4.9 Ghz 1.43V and it ran fine for about an hour but then finally the screen froze. Now im curious if it would be possible to turn down the speed of the ram and it would work fine....Oh well I have a lot of testing to do when I get the chip back. I will update results eventually.

Yeah definitely lower the speeds, voltage and timings a bunch and test again. Although 4.9 is a rare chip so it's unlikely.
mhmm
(26 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5-6600k @ 4.7, 1.44v ASRock Fatal1ty Z170 Gaming K4/D3 (DDR3!!) Sapphire R9 290x (fully unlocked 290) 2x8GB Crucial Ballistix DDR3L @2400 11-12-12-31... 
Hard DriveHard DriveHard DriveCooling
OCZ Vector 180 240GB Raid 0 OCZ Vector 150 240GB Raid 0 Seagate Momentus XT 750GB (gen 2) Enzotech Sapphire SCW-Rev.A CPU block 
CoolingCoolingCoolingCooling
Swiftech MCW80 GPU block Phobya Xtreme 200 v2 (200x45mm) Alphacool NexXxos ST30 (240x30mm) XSPC RX120 (120x60mm) 
CoolingCoolingCoolingCooling
Alphacool VPP655 / Laing D5 XSPC Dual Bay Res NZXT Sentry Mesh Fan controller Primochill Advanced LRT 3/8" Blue UV tubing 
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Windows 10 Pro LG 34UM67 21:9 Freesync 2560x1080 30-75hz Razer Nostromo, CM Storm Devastator Ultra LSX-750 
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Hard DriveHard DriveHard DriveCooling
OCZ Vector 180 240GB Raid 0 OCZ Vector 150 240GB Raid 0 Seagate Momentus XT 750GB (gen 2) Enzotech Sapphire SCW-Rev.A CPU block 
CoolingCoolingCoolingCooling
Swiftech MCW80 GPU block Phobya Xtreme 200 v2 (200x45mm) Alphacool NexXxos ST30 (240x30mm) XSPC RX120 (120x60mm) 
CoolingCoolingCoolingCooling
Alphacool VPP655 / Laing D5 XSPC Dual Bay Res NZXT Sentry Mesh Fan controller Primochill Advanced LRT 3/8" Blue UV tubing 
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post #5668 of 11289
Oh I know but if it handled it for one hour of stress under realbench I wonder why it failed. Maybe needs a touch more voltage I guess. Odd since it seems it is the same loop every 10 minutes.
post #5669 of 11289
Quote:
Originally Posted by superkyle1721 View Post

Oh I know but if it handled it for one hour of stress under realbench I wonder why it failed. Maybe needs a touch more voltage I guess. Odd since it seems it is the same loop every 10 minutes.

A quick way to know if your CPU is pretty close to stability -
1) Loosen ram speeds/timings
2) Run latest prime95 custom min/max fft 1344k, 15minutes, check in place FFT. Run 30 minutes. If it passes that you're getting close.
mhmm
(26 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5-6600k @ 4.7, 1.44v ASRock Fatal1ty Z170 Gaming K4/D3 (DDR3!!) Sapphire R9 290x (fully unlocked 290) 2x8GB Crucial Ballistix DDR3L @2400 11-12-12-31... 
Hard DriveHard DriveHard DriveCooling
OCZ Vector 180 240GB Raid 0 OCZ Vector 150 240GB Raid 0 Seagate Momentus XT 750GB (gen 2) Enzotech Sapphire SCW-Rev.A CPU block 
CoolingCoolingCoolingCooling
Swiftech MCW80 GPU block Phobya Xtreme 200 v2 (200x45mm) Alphacool NexXxos ST30 (240x30mm) XSPC RX120 (120x60mm) 
CoolingCoolingCoolingCooling
Alphacool VPP655 / Laing D5 XSPC Dual Bay Res NZXT Sentry Mesh Fan controller Primochill Advanced LRT 3/8" Blue UV tubing 
OSMonitorKeyboardPower
Windows 10 Pro LG 34UM67 21:9 Freesync 2560x1080 30-75hz Razer Nostromo, CM Storm Devastator Ultra LSX-750 
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveHard DriveCooling
OCZ Vector 180 240GB Raid 0 OCZ Vector 150 240GB Raid 0 Seagate Momentus XT 750GB (gen 2) Enzotech Sapphire SCW-Rev.A CPU block 
CoolingCoolingCoolingCooling
Swiftech MCW80 GPU block Phobya Xtreme 200 v2 (200x45mm) Alphacool NexXxos ST30 (240x30mm) XSPC RX120 (120x60mm) 
CoolingCoolingCoolingCooling
Alphacool VPP655 / Laing D5 XSPC Dual Bay Res NZXT Sentry Mesh Fan controller Primochill Advanced LRT 3/8" Blue UV tubing 
OSMonitorKeyboardPower
Windows 10 Pro LG 34UM67 21:9 Freesync 2560x1080 30-75hz Razer Nostromo, CM Storm Devastator Ultra LSX-750 
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post #5670 of 11289
Username: creisti86
CPU Model: i5 6600 (non-K)
Base Clock: 136.5Mhz
Core Multiplier: 33x
Core Frequency: 4504Mhz
Cache Frequency: 4504Mhz
Vcore in UEFI: 1.35V
Vcore: 1.344V
FCLK: Reminder: 1091Mhz
Cooling Solution: Thermalright Ultra 120 Extreme (with mounting bracket somewhat improvised from a Socket775 mount), Prolimatech PK-1 thermalpaste
Stability Test: x264 16 threads for 8 hours

Batch Number: Romania, Batch#: L548C127
Ram Speed: G.Skill Ripjaws V 2400 @ 2183Mhz 15-15-15-35
Ram Voltage: not tweaked, ram voltage 1.2V
Motherboard: Gigabyte Z170X Gaming 7
LLC Setting: High
Misc Comments: I might be able to tweak the RAM a bit to get it working at the next multiplier. I could also probably increase Vcore and clock more, but for a 24/7 run I think It's ok like this

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phenom 2 black x4 960T @3.819GHz GA-M78LMT-US2H Sapphire HD 7850 8 GB A-Data @ 1333 
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phenom 2 black x4 960T @3.819GHz GA-M78LMT-US2H Sapphire HD 7850 8 GB A-Data @ 1333 
Hard DriveOptical DriveCoolingCooling
SSD ocz vertex 2 60GB, 1.5TB Seagate Barracuda 11 none cpu: TRUE push-pull scythe s-flex 800RPM (quiet) gpu: Accelero s1 modified + 120mm fan 
OSMonitorKeyboardPower
Win 8 Samsung UED325000 32" led-lcd-tv 1920x1080 Logitech 2.4Ghz Corsair CX 400 
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