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Haswell Overclocking Guide [With Statistics] - Page 726

post #7251 of 19539
Quote:
Originally Posted by blaze2210 View Post

CPU-Z seems to be reading the actual vcore pretty accurately - I set it at 1.505v, and my board kicks it to 1.5072v....Why wouldn't I game on it? That's the major purpose for my PC....biggrin.gif Also, it's like stress testing, but quite a bit more entertaining....Tomorrow, I'll probably run some Far Cry 3, since it seems to be pretty good at finding instabilities in overclocks.

Check it with a DMM, you'll be nearer to 1.55v than 1.5v. Why wouldn't you game on it? Because going from 4.6ghz to 4.8ghz won't make much of a difference for gaming but running 1.5v+ 24/7 will kill the chip. I'm sure Klepp's already killed one running 1.5v+. On the flip side, if you've got the Intel warranty plan then no worries and you might even get a better chip in return! That H100i must be on steroids! biggrin.gif
Quote:
Originally Posted by Darkwizzie View Post

A 1.5v VID on my chart would mean you would have the highest VID setting out of everybody. I need that input voltage. I found my evidence that input voltage matters on higher Vcore by testing over and over again via x264. Average time in minutes until Bsod @ 1.85, 1.95, 2.05, 2.15v input voltage and I found conclusive evidence that my stability increased for each higher setting. That said, I didn't test a combination of input voltage and VID, that would take eons to have enough test runs for a meaningful analysis.

I found this as well, x50 rock solid needed 2.15vrin. To get x51 stable for all benching needed 2.23vrin, x52+ i can only use on a small handful of benches as i refuse to set vrin higher or take vcore above 1.45v. 2.23vrin with 100% vdroop run's nearer 2.28vrin.
Edited by Doug2507 - 12/22/13 at 2:23am
post #7252 of 19539
Yes its a bad luck indeed and this is my second 4670k because i had some problem with my first z87 board so i had to return it along with that cpu which wasn't any great clocker aswell. But at 45x atleast i have the power for my 7950 ,, more than enough so it will do for this time. I usually have got decent chips over the years but with haswell you never know what you will end up with. Yeah FPU only seems to stress the most with AIDA , i have both CPU and FPU checked.
post #7253 of 19539
Thread Starter 
Quote:
Originally Posted by Doug2507 View Post


Check it with a DMM, you'll be nearer to 1.55v than 1.5v. Why wouldn't you game on it? Because going from 4.6ghz to 4.8ghz won't make much of a difference for gaming but running 1.5v+ 24/7 will kill the chip. I'm sure Klepp's already killed one running 1.5v+. On the flip side, if you've got the Intel warranty plan then no worries and you might even get a better chip in return! That H100i must be on steroids! biggrin.gif
I found this as well, x50 rock solid needed 2.15vrin. To get x51 stable for all benching needed 2.23vrin, x52+ i can only use on a small handful of benches as i refuse to set vrin higher or take vcore above 1.45v. 2.23vrin with 100% vdroop run's nearer 2.28vrin.

On the other hand, input voltage is a new voltage, is it not? It's hard to accurate state what amount is safe and what isn't. The MSI mobo thinks 2.2 and higher is unsafe. But then again, it thought 1.3v VID and Vring is unsafe. Not really that reliable. But it would be funny if 3 years from now, we realize 2.4v is when it starts becoming unsafe, wouldn't it? Not that I'd want to verify that hypothesis myself, LOL.

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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 
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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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post #7254 of 19539
Quote:
Originally Posted by Darkwizzie View Post

On the other hand, input voltage is a new voltage, is it not? It's hard to accurate state what amount is safe and what isn't. The MSI mobo thinks 2.2 and higher is unsafe. But then again, it thought 1.3v VID and Vring is unsafe. Not really that reliable. But it would be funny if 3 years from now, we realize 2.4v is when it starts becoming unsafe, wouldn't it? Not that I'd want to verify that hypothesis myself, LOL.

Well, to whoever decides to run 2.3vrin+ 24/7, give the rest of us a shout so we can go get the popcorn on… biggrin.gif
post #7255 of 19539
When I run 2.1 vccin vs 2.3 vccin or 2.25, there is no change in temperatures provided the other voltages are constant. I don't think VCCIN has any effect. It's merely a gateway of what voltage is allowed if needed.
post #7256 of 19539
Quote:
Originally Posted by bond32 View Post

When I run 2.1 vccin vs 2.3 vccin or 2.25, there is no change in temperatures provided the other voltages are constant. I don't think VCCIN has any effect. It's merely a gateway of what voltage is allowed if needed.

Then you can be our guinea pig. Run 2.3 all day err' day.
post #7257 of 19539
Hello Guys smile.gif

This is my latest trial on 4770K

Batch L316B282 Malaysia

Mobo : Asrock extreme 4 Z87
CPU : i7 4770K @ 46/46 1.25v/1.30v
Memory : 2133 @ 2600 12-13-13-27-1 1.65v
Cooling : Custom single loop Xspc X20 750 Dualbayers with pump
420 radiator pushpull
WB ex supremacy Nickle
Prolimatech PK-3
PSU : ocz 700watt

HWmonitor has a different reading on my cache voltage i dont know why ... is supposed to be 1.3v in bios. Thanks

post #7258 of 19539
Quote:
Originally Posted by blaze2210 View Post

So looks like I'll be the first one to be trekking into the 1.5v territory, since staying at 4.6ghz was getting a bit on the dull side.... biggrin.gif So far, it's passed my little gauntlet of tests - including a couple hours of Assassin's Creed IV.... thumb.gif


To the best of my knowledge (and i looked into it quite a bit) the IVR targets 20mv (0.02v) above what you set in bios for vcore (and maybe ring), confirmed on gigabyte at least with a dmm @>1.4v (for this post, and Doug etc)
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post #7259 of 19539
Quote:
Originally Posted by JackNaylorPE View Post

Read the description....it links to his Beginners guide.
The current video I was speaking of not bring for beginners. I have seen his other videos.
Edited by Scotty Mac - 12/22/13 at 9:15am
post #7260 of 19539
@soulbytes
Same here, I set in Bios 1.18 and HWmonitor will show 1.208 for cache voltage.
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