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*Official* Intel DDR4 24/7 Memory Stability Thread - Page 246

post #2451 of 5448
Quote:
Originally Posted by superkyle1721 View Post

Warning: Spoiler! (Click to show)


CPU core: 4.843
Cache: 4.843
Vcore: 1.44V
Dram: 1.49V
VCCIO: 1.224V
SA: 1.25V

Tested stable with 4 passes of memtest. I plan to download and install Gsat to further test and submit. I think this will be my 24/7 settings. What do you guys think?

No smoke coming out? You know this is the no-smoking section biggrin.gif

Those voltages do seem on the high side, but then I'm not familiar with Skylake. Have you stress tested with RealBench or Aida?
post #2452 of 5448
Quote:
Originally Posted by djgar View Post

No smoke coming out? You know this is the no-smoking section biggrin.gif

Those voltages do seem on the high side, but then I'm not familiar with Skylake. Have you stress tested with RealBench or Aida?

HAHA no smoke here!! Skylake can handle Vcore up to 1.52 per Intel. I keep mine 1.44 or below just to give a cushion. Skylake is actually very robust. I believe JPMboy was running 1.48V 24/7 and never had any issues. My CPU is actually a binned CPU from Silicon Lottery. Will run 4.9 at 1.44V with max temp of around 62C (Delidded and under a H100I V2 push/pull). This is with a cache of 4.2 though. I sacrificed some core speed for cache. I ran X264 and realbench a lot back when I was working on CPU overclock...Anything can pass AIDA that program is pretty weak for stability testing. All pass with no errors thumb.gif .
post #2453 of 5448
Quote:
Originally Posted by superkyle1721 View Post

HAHA no smoke here!! Skylake can handle Vcore up to 1.52 per Intel. I keep mine 1.44 or below just to give a cushion. Skylake is actually very robust. I believe JPMboy was running 1.48V 24/7 and never had any issues. My CPU is actually a binned CPU from Silicon Lottery. Will run 4.9 at 1.44V with max temp of around 62C (Delidded and under a H100I V2 push/pull). This is with a cache of 4.2 though. I sacrificed some core speed for cache. I ran X264 and realbench a lot back when I was working on CPU overclock...Anything can pass AIDA that program is pretty weak for stability testing. All pass with no errors thumb.gif .

Just wondering, is it advantageous to sacrifice core speed for cache for most applications?
post #2454 of 5448
1.5v+ or go home. lol jk

that was with chilled water. stuck a 240 rad in to a bucket of ice water. biggrin.gif
Edited by lilchronic - 8/12/16 at 1:39pm
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post #2455 of 5448
Quote:
Originally Posted by djgar View Post

Just wondering, is it advantageous to sacrifice core speed for cache for most applications?

Honestly I have no idea. My baseline for that is gaming which I just used 3dmark testing. Dropping the core .5 and increasing the cache to match core drastically increased the throughput for my ram which bumped my firestrike score up. Real world will likely show a wash IMO but others will be better suited to answer this bc I am only guessing.
post #2456 of 5448
Quote:
Originally Posted by lilchronic View Post

1.5v+ or go home. lol jk

HA Ive seen others run this kit up to 1.9 and acheive some great scores but before I started to play with voltages in that range I wanted to find some 24/7 stable settings first. Give me a couple weeks ill post something up..Im thinking 4200 CL12 1.8V...Heres to hoping tongue.gif
post #2457 of 5448
Quote:
Originally Posted by superkyle1721 View Post

HA Ive seen others run this kit up to 1.9 and acheive some great scores but before I started to play with voltages in that range I wanted to find some 24/7 stable settings first. Give me a couple weeks ill post something up..Im thinking 4200 CL12 1.8V...Heres to hoping tongue.gif

Yeah but that is mainly for benching. I have a kit of samsung B-die in my x99 rig right now, when i tested it on skylake i was able to get 3466Mhz cl12 @ 1.7v in super pi stable but anything higher i could not get stable and i think @ 3866Mhz i broke my os and had to re install. lol
That run i did was with crucial micron 2133Mhz kit. I still need to get a better kit for skylake build but kinda waiting it out for some newer revision's.
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post #2458 of 5448
Quote:
Originally Posted by lilchronic View Post

Yeah but that is mainly for benching. I have a kit of samsung B-die in my x99 rig right now, when i tested it on skylake i was able to get 3466Mhz cl12 @ 1.7v in super pi stable but anything higher i could not get stable and i think @ 3866Mhz i broke my os and had to re install. lol
That run i did was with crucial micron 2133Mhz kit. I still need to get a better kit for skylake build but kinda waiting it out for some newer revision's.

I have to say I am pretty happy with the 3600 cl15 kit. At first I was a bit PO that it wouldn't run 1t at higher frequencies without crazy CL but sacrificing CR1 for CR2 and I've been quite pleased. Seems to overclock extremely well and remain stable. I'm sure I can tighten them up even more at the same voltage but I reached what I was shooting for and stopped. Maybe one day when I have the time I will get back to it but for now I will likely relax and enjoy it. Time to start saving for Titan X Volta SLI and X99 or whatever the chipset will be. Going all out on my next rig. Custom loop high rng components.
post #2459 of 5448
My new Gskill 4x8gb 3200C14 1.35v kit needed 1.2v SA, 1.15v I/0 to boot with XMP profile (1.36v dram V auto) but running HCI has multiple errors in less than 1 minute, or bsods. Assumed since rated 1.35V that my board XMP giving it 1.36V was sufficient, but finally tried 1.38v Dram, now was able to back off SA/I/0 to 1.15 and 1.10 and no errors in 30 mins so far (using 85% mem with HCI), which is 30x longer than any other attempt before raising dram v.

Reasonable odds that it is not indicative of failing ram if it passes at 1.38v? In which case, just run at 1.38v.
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post #2460 of 5448
1.38v is a sweet voltage spot for dram.

Nice oc's you have guys, would like 5 GHz in my 6950x and 3800 for Dram!!!

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