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Haswell Overclocking Guide [With Statistics] - Page 611

post #6101 of 19580
Hey guys,

I used to be able to overclock my old computer with a 2500k, I just finished building my custom loop on haswell 4670k running amazing temps 23-26 in the basement smile.gif

I'd like to get this to run at dram 1866 (xmp already enabled seems to have it at that) and I think I should be able to run 45ghz with this but am so confused reading and all the new options they have put in the asus z87 bios.

I'm trying to just set the cores to 45 and I think my voltage is at 1.23 but is there a step by step YouTube walk through or something to make sure all my other options are correct like spread spectrum and stuff?
post #6102 of 19580
Quote:
Originally Posted by creos7 View Post

FWIW this is what I use personally. Note that these do not guarantee games will work, etc per Darkwizzie's guide.

Stability:
1) OCCT for 6-8 hours. This is by far my favorite, most sensitive test for my own system. Most issues detected bw. 30mins-4 hours,
2) if above passes, 30 passes of x264
3) Intel XTU Stress Test for X hours (this is a modified version of Prime95 afaik -- no high temps!)
4) Chess for 24hrs (it doesn't really affect my PC responsiveness so I can leave it on for days if needed)

If all these pass, I don't really bother with Prime95 or IBT but if I do end up using them for kicks
1) Prime95 blend (to test RAM as well and for lower temps) for 20 passes or so (which I can barely do at my stable 4.6Ghz voltages b.c. of temps)
If you do the "Small" test, temps will be even higher since cores get even "busier" due to no trip to RAM so be careful!
2) IBT "High Memory" for 20 passes (can barey do at my stable 4.6Ghz voltages b.c. of temps)

Benchmarking:
Intel XTU
RealBench
CineBench
MaxxMEM2

Happy Thanksgiving for those who celebrate it!

OCCT was my fav .... got frustrating when manufacturers started detecting it and crippling their hardware. I would inch my way up from stock in 15 minute tests till I peaked .... then do a 4 hour final followed by overnight on P95 .... I won't go near P95 on Haswell with the on die MC..... even AIDA 64 gives me the willies enough that i stare at screen when it's running.

I did 15 minute stress tests with RoG Bench till I hit the 4.6 goal....then ran each of the Intel XTU tests for 30 minutes....was surprise mem test gets it hotter than CPU test tho.

I'd note that RealBench gives a much harder hit on system than XTU ....On XTU, volrage never climbs above 1.392 at 1.380 VID (adaptive) .... can hit 1.424 under RealBench for a half second or so at times, tho usually bounces between 1.392 and 1.408
Edited by JackNaylorPE - 11/28/13 at 10:13am
911 Carrera
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CPUMotherboardGraphicsRAM
Intel w/ EK Supremacy Cooling Block - Clean P... Asus Maximus VI Formula 2 x Asus GTX 780 DCII w/ EK Full Cover Blocks a... Mushkin Red Line Ridgeback 2 x 8GB DDR302400 10... 
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2 x SAMSUNG 840 Pro Series MZ-7PD256BW 2.5" 256GB (2 x Seagate ST2000DX001 2TB 7200 RPM 64MB Cach... Asus BW-12B1ST/BLK/G/AS Blue Ray Writer 1 x Alphacool NexXxoS XT45-420 + 1 x Alphacool ... 
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1 x Swiftech 35x2 w/ Heatsink and NB Fan EK -MultiOption RES X3 250 White Acetal Reservoir 5 x PH-F140SP_BK_BLED + 5 x PH-F140SP_BK E22 Rigid 10/12 Acrylic Tubing and Bitspower Ma... 
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911 Carrera
(20 items)
 
  
CPUMotherboardGraphicsRAM
Intel w/ EK Supremacy Cooling Block - Clean P... Asus Maximus VI Formula 2 x Asus GTX 780 DCII w/ EK Full Cover Blocks a... Mushkin Red Line Ridgeback 2 x 8GB DDR302400 10... 
Hard DriveHard DriveOptical DriveCooling
2 x SAMSUNG 840 Pro Series MZ-7PD256BW 2.5" 256GB (2 x Seagate ST2000DX001 2TB 7200 RPM 64MB Cach... Asus BW-12B1ST/BLK/G/AS Blue Ray Writer 1 x Alphacool NexXxoS XT45-420 + 1 x Alphacool ... 
CoolingCoolingCoolingCooling
1 x Swiftech 35x2 w/ Heatsink and NB Fan EK -MultiOption RES X3 250 White Acetal Reservoir 5 x PH-F140SP_BK_BLED + 5 x PH-F140SP_BK E22 Rigid 10/12 Acrylic Tubing and Bitspower Ma... 
CoolingOSMonitorKeyboard
2 x Reeven Six Eyes Fan Controller Windows 7 64 Bit Professional OEM ASUS VG248QE Black 23" 144 Hz Monitor Logitech G19s 920-004985 
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post #6103 of 19580
If you can pass prime95 blend for 6 hours, you can pass every other stress test. This is just personal experience with AMD builds. People tend to not like prime95 blend because it really is the end all of all stress test.
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Intel i7-4770k @ 4.1Ghz  Asus z87-Plus XFX Double D r9 290X G Skill Sniper 8GB @ 2133 
OSMonitorKeyboardMouse
Windows 10 Pro 27 Inch 1440P PLS @ 110Hz Mechanical Keyboard MX Red Steelseries Kana 
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post #6104 of 19580
I have a strange Problem .... frown.gif
When i set vrin manually (even @ 1,8v) sometimes my PC wont Start....it begins to Start and than baam restart before the BIOS Logo came....and than it say overclock failure...settings are 100% stable !!!!!...even when i restart my PC in windows it shows that failure....its not every Boot but 1:10...
Can someone help me pls frown.gif
post #6105 of 19580
Quote:
Originally Posted by ImJJames View Post

If you can pass prime95 blend for 6 hours, you can pass every other stress test. This is just personal experience with AMD builds. People tend to not like prime95 blend because it really is the end all of all stress test.

Not really, people have reported passing prime95 and then getting BSODs in games. Darkwizzie makes a point of that as well if you read his guide.

I've read on many other forums that while Prime95 can be the hottest (together with IBT/linkpack) it is rather limited in what it exercises. It's really best to diversify your testing and definitely include real world stuff like x264, chess, and RealBench as Darkwizzie and others recommend as well as just playing you favorite games on high settings. There isn't a single "best" test that can guarantee stability, you can only prove INstability. It just doesn't exist.

Don't make the mistake of thinking that "hottest" and "most popular" equate to most stressful and best. That is just completely untrue.
post #6106 of 19580
Quote:
Originally Posted by creos7 View Post

Not really, people have reported passing prime95 and then getting BSODs in games. Darkwizzie makes a point of that as well if you read his guide.

I've read on many other forums that while Prime95 can be the hottest (together with IBT/linkpack) it is rather limited in what it exercises. It's really best to diversify your testing and definitely include real world stuff like x264, chess, and RealBench as Darkwizzie and others recommend as well as just playing you favorite games on high settings. There isn't a single "best" test that can guarantee stability, you can only prove INstability. It just doesn't exist.

Don't make the mistake of thinking that "hottest" and "most popular" equate to most stressful and best. That is just completely untrue.

I agree using one stress tester to test for stability won't be conclusive. BUT if you had one stress tester to choose from that test for stability the most, it would be prime95 blend.
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Intel i7-4770k @ 4.1Ghz  Asus z87-Plus XFX Double D r9 290X G Skill Sniper 8GB @ 2133 
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Windows 10 Pro 27 Inch 1440P PLS @ 110Hz Mechanical Keyboard MX Red Steelseries Kana 
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post #6107 of 19580
How much more vcore in generally is necessary to be able to pass stress tests vs just to be able to log into windows ?
post #6108 of 19580
Quote:
Originally Posted by ImJJames View Post

I agree using one stress tester to test for stability won't be conclusive. BUT if you had one stress tester to choose from that test for stability the most, it would be prime95 blend.

Based on what research? For which systems? With what OC goals/settings? For what use cases (ie every day, gaming, CAD, video processing, etc)?

I don't think such a statement is possible because it depends on all these factors, the peculiarity of your own system and where the weaknesses emerge, etc. Hardware today is extremely complex and each component is unique. If I see research from someone testing a very broad spectrum of Haswell systems with a very wide range of OCing goals (including core, cache, RAM emphasis or any combination thereof), and compared say the top 5 stress tests, and then further decided on the 'goodness' function being say longest time-to-BSOD in every day use plus X hours a day of these X game titles and X apps (CAD, GIMP, whatever), then I would buy it.

Otherwise, I don't -- sorry. You are basing this on what your personal feeling is and what you've read and possibly your narrow experience. I'm not aware of anyone doing such extensive testing because it's incredibly time consuming and complicated and somewhat useless (because results will need to be retested constantly with changes to software and hardware).

The best thing is to decide on your PERSONAL battery of tests and use it. But I wouldn't be so brave to make a statement "if i had to use one thing it would be XXX because it covers the most ground and is the most reliable".
post #6109 of 19580
Quote:
Originally Posted by Menphisto View Post

I have a strange Problem .... frown.gif
When i set vrin manually (even @ 1,8v) sometimes my PC wont Start....it begins to Start and than baam restart before the BIOS Logo came....and than it say overclock failure...settings are 100% stable !!!!!...even when i restart my PC in windows it shows that failure....its not every Boot but 1:10...
Can someone help me pls frown.gif

What's the debug code on the mobo? (tried googling it?) And more to the point, did you OC with it on auto?
post #6110 of 19580
Auto works...what a debug code?
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