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Haswell Overclocking Guide [With Statistics] - Page 204

post #2031 of 19539
anyone think i should just get a replacement if I have the opportunity? I get can get 45x stable around 1.42v and 46x can boot into windows at 1.44v but isn't stablee. The only saving grace about this one is that the temps seems to be quite good, but what does it matter if the voltage will end up killing it anyway?
post #2032 of 19539
Thread Starter 
Quote:
Originally Posted by jameyscott View Post


Forget that noise. I'd rather not run that high until someone knows if it will degrade over time. This chip has to last me awhile, and I plan on using it as an HTPC/wife's rig once I'm finished with it.

 

You're welcome to try to hit 4.6, but with the CPUs it seems they each have a point where going on multiplier higher requires massive increase in Vcore, and it only gets exponentially worse after that. (I tried 1.5v+ trying to get 4.7 to no avail). So where the hell is the sweet spot? Either 4.5 or 4.6 depending on who you are for somebody with my CPU.

I dunno, I think 1.425 is fine but I'm a bit more ballsy with my overclocks than some people so...

If I degrade and I know I degraded for sure I will post an update on this thread, not only as a post but in the guide, warning people to be careful at that voltage.

Quote:
Originally Posted by BangBangPlay View Post

Oh I see, I just wanted to help spread the word in hopes you'll get more "complete" entries plus screenshots. I know that there is still uncertainty with the varying Vcore values and the only way it will be better understood is by comparing as many results as possible.

I have poked around a few other Haswell threads, but none of them offer the statistics and screenshots found here. Keep up the good work Wizzie. How has your OC quest been going as of late? I have dropped back down from 4.7 to 4.6 because of better thermals while gaming (60C vs nearly 70C). It just wasn't worth the small performance boost. I did up my cache from 4.2 to 4.3 to justify it in the back of my mind, lol. Ill keep 4.7 and 4.8 (still unstable) for benchmarks though.

Yeah well, the whole issue is made a wee bit more complex than it needs to be from the bad readings of Vcore from Hwinfo on some mobos, but the Hwinfo teams promises future updates will fix those issues.

The FTW guy showed his HWinfo showing Vcore being completely and utterly off, but some oddball sensor on there under Vcore I've never seen before with a decently accurate voltage. Although I guess one can look around all the voltages, see if one varies with load and is in the range of values for Vcore (If one accidentally looks at voltage for a 12v rail they'll now it's not right because no CPU Vcore can be 12v).

 

I only know of two other Haswell threads, the official one with literally no info, just chat, and the Gigabyte Overclocking Guide, which actually has info, but of course I prefer my approach better. Thanks for the compliment, if I can beat Official haswell Thread in posts I will be giddy. 

 

Right now I've upped the Io/SA voltages from 0.1v+ offset to a 0.135v+ offset. I tried x42 uncore but I moved it back to x41, the performance vs headaches that will cause isn't worth it IMO. SO I'm sticking around at 1.425v Vcore (VID) in the BIOS and 1.275v Vring. x46/x41.

 

And as Anusha dreadfully realized, Haswell stability is a wild card. You can pass stability test (synthetics or not, take your pick) today, and fail it with flying colors the next day. It's bizarre. Likewise with chess, I've certified myself as passing 24hours of chess in a row, and then I've had Bsod after 15 minutes. And then maybe after another 15 hours it could Bsod. I dunno.

 

I have written down the settings for a 4.5ghz overclock that I wrote down as 12 hr prime stable. Unless my past self lied to me, that seems like a mighty fine fallback setting in case things go south.

But I"m at the crazy part where I'm not quite sure if I'm unstable to the point I really need to do something about it and spend hours working on it or possibly give up and head for 4.5ghz. Lol. In other words, the stability is bad enough to annoy me, but not bad enough for me to outright rage and move back a multiplier.

 

Quote:
Originally Posted by lolwatpear View Post

anyone think i should just get a replacement if I have the opportunity? I get can get 45x stable around 1.42v and 46x can boot into windows at 1.44v but isn't stablee. The only saving grace about this one is that the temps seems to be quite good, but what does it matter if the voltage will end up killing it anyway?

Well I'd only consider a swap after I've listed all my settings on here and member after member has failed to help fix the issue. For example another member found out their faulty ram botched his overclock, wasn't even the CPU.

Quote:
Originally Posted by error-id10t View Post

This is my entry lol with small FFT, 5min run.

Ran at stock everything except XMP profile and RAID enabled. Is this nuts or what. About to put the stock cooler on it and see what happens then.. either this is doing nothing or it'll blow up @ stock with stock cooler.

If you can fill this out you'll make me really happy. :)

 

Username:
CPU Model:
Core Multiplier: [If you used Blck strap, put what Blck and mention your resulting frequency]
CPU VID: This is the CPU core voltage value you input into BIOS.
Vcore: This is the CPU Vcore reading from Hwinfo or HWMonitor under load. "Load" depends on what you're stressing.
Uncore Multiplier:
Uncore Voltage:
Cooling Solution:
Stability Test: [Any test is OK, synthetic or not. List how long test is run.]
Batch Number: [Not required but helps people.]
Ram Speed: [The ram speed you're running. If overclocking or XMP profile, please say so. Timings not needed.]

Edited by Darkwizzie - 9/5/13 at 7:13pm
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post #2033 of 19539
Alright, so after putting the stock cooler on - same test and same settings, with the side door open so it can suck any air it wants - could only really run it for 1-2mins.

Now to the serious question - if my chip cannot cope @ stock without throttling, IMO this is a valid reason to exchange it. I'd like to hear from others - at the end of the day, Prime is a valid check considering Intel themselves use XTU bench which uses Prime.

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post #2034 of 19539
Quote:
Originally Posted by error-id10t View Post

Alright, so after putting the stock cooler on - same test and same settings, with the side door open so it can suck any air it wants - could only really run it for 1-2mins.

Now to the serious question - if my chip cannot cope @ stock without throttling, IMO this is a valid reason to exchange it. I'd like to hear from others - at the end of the day, Prime is a valid check considering Intel themselves use XTU bench which uses Prime.


I agree that you should get a new chip. If you can't stress it at stock, then there is something seriously wrong with it. Just make sure to weed out any user error so you can back up a claim. I can't stress enough that people need to realize just because their chip is unlocked doesn't mean that they should get a good overclock because they spent 30 more bucks for an unlocked chip. However, no matter what chip it is, unlocked or locked, it should be able to be stressed.
post #2035 of 19539
It's trival to make Haswell throttle on a stock or lower end cooler using avx2 tests. New prime i think uses it (though old one even though colder was still too hot), linx 0.6.5, the linpack binary from intel, etc.

Avx2 linpack pulls about 50% more power through the chip than other stuff that'll run you at 100% load, like x264 or linpack with avx disabled

Your chip's not the problem, all of the retail haswell's are the same
Quote:
I agree that you should get a new chip. If you can't stress it at stock, then there is something seriously wrong with it.

Avx2 linpack runs you to like 80c on high end air on stock. Deal with it or don't take temperature benchmarks from avx2 stress tests. The ONLY thing that getting a new chip would accomplish would be telling you that indeed, all of the haswell chips behave like this wheee.gif
Edited by Cyro999 - 9/5/13 at 7:33pm
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post #2036 of 19539
Thread Starter 
Quote:
Originally Posted by error-id10t View Post

Alright, so after putting the stock cooler on - same test and same settings, with the side door open so it can suck any air it wants - could only really run it for 1-2mins.

Now to the serious question - if my chip cannot cope @ stock without throttling, IMO this is a valid reason to exchange it. I'd like to hear from others - at the end of the day, Prime is a valid check considering Intel themselves use XTU bench which uses Prime.

 

When I prime stressed I used version 27.9 which wasn't sizzling like the latest version. I recommend using 27.9 for normal stressing, otherwise you might as well go IBT or Linpack at this rate. If you're using the latest version, that could be why.When you said stock you confuse me a little bit. Are you running on stock cooler on stock voltage or stock cooler on overclocked settings?

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post #2037 of 19539
I think he was using stock cooler, stock settings. It's even lower stock vcore than my chip. That's a big no, stock cooler is not designed for avx and especially avx2 stress tests, it is woefully inadequate as shown
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post #2038 of 19539
Thread Starter 

This is why I don't even use AVX2 stress tests, back even when I had lower voltages. If I had to pass that or I couldn't sleep at night I might as well not overclock. If one chooses to pass it in case of the possibility that a killer avx2 app will pop up before Broadwell, well, then you better not set adaptive or there will be hell to pay.

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i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/4082 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
Hard DriveHard DriveHard DriveHard Drive
Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
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Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
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CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
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Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
AudioAudioAudioAudio
Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
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Logitech c920 Webcam NZXT Sentry Mix 2 Fan Controller 
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post #2039 of 19539
Apps that use avx2 are fine. x264 see's a ~5% gain going from avx to avx2 with no notable power draw/temperature footprint. Apps that stress test avx2 are another story
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(14 items)
 
  
CPUMotherboardGraphicsRAM
6700k Asus Maximus VIII Hero Gigabyte Aorus Xtreme 1080ti Corsair LPX 2x8GB 3200c16 
Hard DriveHard DriveCoolingOS
Old Seagate HDD Samsung 850 EVO Thermalright Silver Arrow SB-E SE Windows 7 Home Premium 64 bit 
MonitorKeyboardPowerCase
Asus PG258Q (240hz + Gsync) WASDKeyboards.com v1 semi custom w/ mx browns, ... Superflower Golden Green HX550 Air540 
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post #2040 of 19539
Thread Starter 
Quote:
Originally Posted by Cyro999 View Post

Apps that use avx2 are fine. x264 see's a ~5% gain going from avx to avx2 with no notable power draw/temperature footprint. Apps that stress test avx2 are another story

 

That's weird.

Undelwalt (2017)
(29 items)
 
 
Celapaleis (2013)
(16 items)
 
CPUMotherboardGraphicsRAM
7600k @ 5.197/1.392 1.392v z170 Asus Hero EVGA 1080ti SC Black (2100/6250) x2 8gb GSkill Trident Z 3600 @ 3804 15-15-15-32-2T 
Hard DriveHard DriveHard DriveCooling
Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Seagate Expansion Drive 5tb (Phoenix Down II) 3x560mm HardwareLabs Nemesis GTX 
CoolingCoolingCoolingCooling
XPSC Raystorm Pro Watercool Heatkiller 1080ti Full Cover Waterblock EK XTOP Revo Dual D5 (Serial, PWM, v4) EK ZMT (1/2 - 3/4 ID OD) 
CoolingCoolingCoolingCooling
14xEK ACF (Compression Fittings) EK x4 250 (v2) Distilled Water + PT Nuke (Copper Sulphate) 24x140mm Silent Wings 3 
OSMonitorKeyboardPower
Windows 10 Pro 64bit Catleap 27 Inch 2560x1440 IPS 60hz Display Coolermaster Storm Trigger (Brown Switches) EVGA P2 1000w 
CaseMouseMouse PadAudio
Corsair Air 540 Logitech G Pro Tek Syndicate "Raze the World" Desk Mat O2 + Odac by Mayflower Electronics (Rev A) 
AudioAudioAudioAudio
Sennheiser HD 800 2xKrk Rokit 6 G2 Blue Yeti (Grey) Rode PSA-1 Arm 
Other
Aquaero 6 LT + Aluminum Heatsink 
CPUMotherboardGraphicsRAM
i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/4082 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
Hard DriveHard DriveHard DriveHard Drive
Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
CoolingCoolingOSMonitor
Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
KeyboardPowerCaseMouse
CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
Mouse PadAudioAudioAudio
Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
AudioAudioAudioAudio
Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
AudioOther
Logitech c920 Webcam NZXT Sentry Mix 2 Fan Controller 
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Undelwalt (2017)
(29 items)
 
 
Celapaleis (2013)
(16 items)
 
CPUMotherboardGraphicsRAM
7600k @ 5.197/1.392 1.392v z170 Asus Hero EVGA 1080ti SC Black (2100/6250) x2 8gb GSkill Trident Z 3600 @ 3804 15-15-15-32-2T 
Hard DriveHard DriveHard DriveCooling
Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Seagate Expansion Drive 5tb (Phoenix Down II) 3x560mm HardwareLabs Nemesis GTX 
CoolingCoolingCoolingCooling
XPSC Raystorm Pro Watercool Heatkiller 1080ti Full Cover Waterblock EK XTOP Revo Dual D5 (Serial, PWM, v4) EK ZMT (1/2 - 3/4 ID OD) 
CoolingCoolingCoolingCooling
14xEK ACF (Compression Fittings) EK x4 250 (v2) Distilled Water + PT Nuke (Copper Sulphate) 24x140mm Silent Wings 3 
OSMonitorKeyboardPower
Windows 10 Pro 64bit Catleap 27 Inch 2560x1440 IPS 60hz Display Coolermaster Storm Trigger (Brown Switches) EVGA P2 1000w 
CaseMouseMouse PadAudio
Corsair Air 540 Logitech G Pro Tek Syndicate "Raze the World" Desk Mat O2 + Odac by Mayflower Electronics (Rev A) 
AudioAudioAudioAudio
Sennheiser HD 800 2xKrk Rokit 6 G2 Blue Yeti (Grey) Rode PSA-1 Arm 
Other
Aquaero 6 LT + Aluminum Heatsink 
CPUMotherboardGraphicsRAM
i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/4082 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
Hard DriveHard DriveHard DriveHard Drive
Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
CoolingCoolingOSMonitor
Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
KeyboardPowerCaseMouse
CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
Mouse PadAudioAudioAudio
Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
AudioAudioAudioAudio
Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
AudioOther
Logitech c920 Webcam NZXT Sentry Mix 2 Fan Controller 
  hide details  
Reply
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