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Haswell Overclocking Guide [With Statistics] - Page 1083

post #10821 of 19540
Heres some photo proof of the 4.7 @ 1.25v and LinX stable for over 15 hours. chip is naked under an ek supremacy in an EVGA z87 stinger.

I may try lowering the volts and this is just the beginning as I still have uncore and ram to test. Will update when I decide to take it further.


post #10822 of 19540
Quote:
Originally Posted by davwman View Post

Seems I might have a pretty good chip for once. 4770k at 4.7ghz with 1.25v and vccin at 1.93v. Chip is delidded and sits in an evga stinger under water with a single 120 rad never going over 60c. Don't think dropping volts is necessary unless 1.25 is too much. Any opinions or suggestions.
Quote:
Originally Posted by davwman View Post

Heres some photo proof of the 4.7 @ 1.25v and LinX stable for over 15 hours. chip is naked under an ek supremacy in an EVGA z87 stinger.

I may try lowering the volts and this is just the beginning as I still have uncore and ram to test. Will update when I decide to take it further.



Ah this is Linx without AVX? I passed hours of this stuff with 1.29vid on 4.7.. yet i'm still crashing in x264 occasionally at 1.35vid. AFAIK, it's a terrible stress test without avx and a hot one with it, on Haswell. This is part of the reason i don't agree with a lot of weaker tests done for long periods of time - it doesn't validate anything. It's likely that you'd just open one of your games or an encoder and have stability issues, if you were lowering volts to pass this version of linpack

Also, your cpu-z version is wrong and showing core VID instead of vcore, you can fix that with version 1.64.0~
Edited by Cyro999 - 3/7/14 at 9:44am
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post #10823 of 19540
Hi guys once more,

could not resist and have another 4770k. From early testing, this is really an improvement. At stock, the voltage is 1.008 in Bios. Early test was direct goal of mine 4500 straight with 1.20 core with 1,9 Input Voltage. Cache 1.15 33x. Computing (browser, media, BF4, D3) was totally ok. OCCT "small" stable for 2,5 hours, then I started to play again. After night OCCT testing again, it had to crash at morning though.

Ok, Tried few multi and could boot into the system at 4900 at 1.35, Input Voltage 2 for light computing (browser). Tried OCCT and crashed immediately. With 50x it booted at 1.4 But did not want to fry the chip. Will do more tests and post some info later. So far I really, really like this chip.
post #10824 of 19540
Quote:
Originally Posted by Wakizashis View Post

Hi guys once more,

could not resist and have another 4770k. From early testing, this is really an improvement. At stock, the voltage is 1.008 in Bios. Early test was direct goal of mine 4500 straight with 1.20 core with 1,9 Input Voltage. Cache 1.15 33x. Computing (browser, media, BF4, D3) was totally ok. OCCT "small" stable for 2,5 hours, then I started to play again. After night OCCT testing again, it had to crash at morning though.

Ok, Tried few multi and could boot into the system at 4900 at 1.35, Input Voltage 2 for light computing (browser). Tried OCCT and crashed immediately. With 50x it booted at 1.4 But did not want to fry the chip. Will do more tests and post some info later. So far I really, really like this chip.

Sounds like a winner. I wish mine could do that! *shakes fist at silicon lottery*
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post #10825 of 19540
Quote:
Originally Posted by Cyro999 View Post

Quote:
Originally Posted by davwman View Post

Seems I might have a pretty good chip for once. 4770k at 4.7ghz with 1.25v and vccin at 1.93v. Chip is delidded and sits in an evga stinger under water with a single 120 rad never going over 60c. Don't think dropping volts is necessary unless 1.25 is too much. Any opinions or suggestions.
Quote:
Originally Posted by davwman View Post

Heres some photo proof of the 4.7 @ 1.25v and LinX stable for over 15 hours. chip is naked under an ek supremacy in an EVGA z87 stinger.

I may try lowering the volts and this is just the beginning as I still have uncore and ram to test. Will update when I decide to take it further.



Ah this is Linx without AVX? I passed hours of this stuff with 1.29vid on 4.7.. yet i'm still crashing in x264 occasionally at 1.35vid. AFAIK, it's a terrible stress test without avx and a hot one with it, on Haswell. This is part of the reason i don't agree with a lot of weaker tests done for long periods of time - it doesn't validate anything. It's likely that you'd just open one of your games or an encoder and have stability issues, if you were lowering volts to pass this version of linpack

Also, your cpu-z version is wrong and showing core VID instead of vcore, you can fix that with version 1.64.0~

Well just played literally 4 hours of black ops 2 and the Intel stress utility is now running(not IBT, the official one from intels site. Also did a quick avx run no problem.
post #10826 of 19540
the version of cpu-z showing the correct vcore is 1.64?

HWiNFO64 in the VID 1.215 remains constant in this well or would have to get off at idle?
post #10827 of 19540
Quote:
Originally Posted by Caos View Post

the version of cpu-z showing the correct vcore is 1.64?

HWiNFO64 in the VID 1.215 remains constant in this well or would have to get off at idle?

VID is constant and doesn't change.

Depending on your motherboard, CPU-Z will either show VID or Vcore.
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750GB Samsung 840EVO 256GB Crucial M4 150GB Velociraptor 1TB Samsung F1 
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Asus DRW-24B1ST Phanteks PH-TC14PE Win 10 64-bit 27" Qnix QX2710 96Hz 
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Cooler Master QuickFire Ultimate Cooler Master V1000 1000W 80+ Gold Fractal Design Arc Midi R2 Logitech G500s 
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post #10828 of 19540
ok thanks..
post #10829 of 19540
Quote:
Originally Posted by Caos View Post

ok thanks..

I don't know what versions or CPU-Z are good for Vcore. I use HWInfo for Vcore. It seems that Asus motherboards will report Vcore to CPU-Z, Gigabyte boards report VID.
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750GB Samsung 840EVO 256GB Crucial M4 150GB Velociraptor 1TB Samsung F1 
Optical DriveCoolingOSMonitor
Asus DRW-24B1ST Phanteks PH-TC14PE Win 10 64-bit 27" Qnix QX2710 96Hz 
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Cooler Master QuickFire Ultimate Cooler Master V1000 1000W 80+ Gold Fractal Design Arc Midi R2 Logitech G500s 
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post #10830 of 19540
Quote:
Originally Posted by GeneO View Post

@Jack re the 0,.1V boost. I don't know, can't explain it. I am at bios 1302 on Hero.

I tried a couple of things I thought might affect it. Disabled SVID, turned current limit from 110% to 120%. Didn't see any difference, I get a boost at .016-.02V with 4.2 GHz @ 1.2V.

I may try it later with the 4.3 GHz @ 1.25V.

Maybe it is a total power thing and I'm not hitting it.

try this....

1. Save your current BIOS profile in the Tools section s you can restore it.
2. Restore BIOS to defaults
3. Set XMP profile, Sync all cores and 42/42/42/42 as multiplier
4. Set min / max cache ratio to 42
5. Set voltage to 1.18 .... I have tried lower but it still runs at 1.18 ... if 1.18 not stable pick something that is
6. Save and exit
7. Open HW Monitor, put on right side of screen
8. Open RoG Bench, put on left side of screen,
9. Run Open CL test ....
10. List ya voltage as set in the BIOS and then what HWM lists in max column for VID / Vcoreat end of test (see pic below)



BTW, if ya wondering about fans and temps .....Chassis 1 is the top rad fans and Chassis 2 is the bottom rad fans .... CPU Fan is actually pump speed.
Edited by JackNaylorPE - 3/7/14 at 11:01am
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911 Carrera
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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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Seasonic X-1250 Phanteks Enthoo Primo Ultimate Chassis Asus RoG GX950 Laser Mouse  Logitech Z5500 
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