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Haswell Overclocking Guide [With Statistics] - Page 1922

post #19211 of 19602
Quote:
Originally Posted by Nick the Slick View Post

I'd say that's a golden chip, but I'd also be skeptical of those claims tongue.gif What does he mean by "it can do"? It can load the bios? Boot Windows? Run a benchmark? That's the problem with overclocking, "stability" can be quite relative.

I'll ask for proof of those stress tests he claims he did. He also says he's running it for a long time at x46/1.260V. I'm waiting for the test of x47/1.288V.

I'm hoping for x48 if I make that trade. That wouldnt cost me too much money and would be enough to make me skip upgrading until cannonlake or later down the road.
post #19212 of 19602
This is what he posted on his thread:

4600_uc_4200_2133_cas10_cr1.jpg?1475261516

prime_40_min_4500_1.20v.jpg?1475261514

3dmark11_1330-2200.jpg?1475261569

Not enough, right? Guess I should ask for some 12h prime95 blend?
post #19213 of 19602
Yea, 10 runs of IBT standard is a cakewalk, 20 runs of IBT Very High I would have accepted maybe. 30 mins of Prime95 small FFT isn't saying a whole lot either. Wish he would use HWInfo 64 for voltage monitoring as well, the only evidence I see of it running at 1.2v is during the Prime95 run. I don't like CPU-Z for monitoring like that, I'd want to see max/min/avg values. I'm not saying the guys is lying, it may be perfectly stable for his use case (I unknowingly ran an unstable 4.7 GHz overclock for quite a while that never crashed during gaming, but x264 crashed it in 1 loop lol), but it just seems kind of sketchy overall to me.
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post #19214 of 19602
Quote:
Originally Posted by Nick the Slick View Post

Yea, 10 runs of IBT standard is a cakewalk, 20 runs of IBT Very High I would have accepted maybe. 30 mins of Prime95 small FFT isn't saying a whole lot either. Wish he would use HWInfo 64 for voltage monitoring as well, the only evidence I see of it running at 1.2v is during the Prime95 run. I don't like CPU-Z for monitoring like that, I'd want to see max/min/avg values. I'm not saying the guys is lying, it may be perfectly stable for his use case (I unknowingly ran an unstable 4.7 GHz overclock for quite a while that never crashed during gaming, but x264 crashed it in 1 loop lol), but it just seems kind of sketchy overall to me.

Yeah, thought the same here. I get .025V more vcore than my vid reading. Wish he had used hwinfo too.

Also, he didn't ran any long stress test. I could get one pass through prime95 blend and find out later I needed .050v to be stable on GTA V.
post #19215 of 19602
Quote:
Originally Posted by Benjiw View Post

Quote:
Originally Posted by netxzero View Post

anybody here who uses an intel motherboard and how to see LLC in the bios?

It will be under an option for overclocking or cpu power management or the likes, if you're using an ASUS board its under digi power control or something, can't remember.
It only has the performance tab. Nothing more. Im using an intel dz87klt-75k board. Options are very much different and limited.


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post #19216 of 19602
Greetings!

Finally i got stable on 4770k with 4,2Ghz@1,19V on air with maximum 80*C temp while using synthetic tests.

Now my main goal is trying to get maximum stable state and lower maximum temperature. What are my next steps should be?

Here is my current OC config on ASUS Z97-K (before starting finding my best clocks i reset CMOS and set whole settings to default);

Ai Overclock Tuner: Manual
CPU Strap: Auto (should i switch it to 100mhz?)
Asus Multicore Enhancement: Enable
Cpu Core Ratio: Sync All cores (42)
Max\Min cpu cache: 35 (should i try to raise it up?)
EPU Power Saving Mode: Disable (and all other power saving things switched to disable)
CPU Core Voltage: 1.19
CPU Cache Voltage: Auto
SVID Control: Auto (some sources recommend to disable it while overclocking)
VCCIN: Auto
CPU Spread Spectrum: Enable (somewhy could not pass 4,2ghz with 1.19V while disabled, but when enable everything is OK)
Turbo Boost tech: Enable
DRAM is on default 1333@1.5V

Didnt touch DIGI VRM+ at all, CPU LLC switched to AUTO, anything else here is on default settings.

I will be glad to any comments. Thanks!
Edited by bmyagkov - 10/4/16 at 12:45pm
post #19217 of 19602
have you tried to consider delidding? I just delidded mine and hell yeah temps had a massive improvement.
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post #19218 of 19602
Quote:
Originally Posted by juniordnz View Post

This is what he posted on his thread:

4600_uc_4200_2133_cas10_cr1.jpg?1475261516

prime_40_min_4500_1.20v.jpg?1475261514

3dmark11_1330-2200.jpg?1475261569

Not enough, right? Guess I should ask for some 12h prime95 blend?
my personal opinion is to not use stress testing programs because I got a friend who overclocked his haswell way back and after doing a 24-hour stress test, he was so sure that his OC settings are stable because it never had issues. He played a game then after 5 min it crashed.

I followed the same and since then I just used my programs/games that i normally do in my pc to determine stability. i usually give it a week or two to be "sure" that my settings are good. For me this is the best way, because I don't know a person who uses stress testing programs as their everyday tool. let alone be productive on that program alone.
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post #19219 of 19602
Quote:
Originally Posted by netxzero View Post

my personal opinion is to not use stress testing programs because I got a friend who overclocked his haswell way back and after doing a 24-hour stress test, he was so sure that his OC settings are stable because it never had issues. He played a game then after 5 min it crashed.

I followed the same and since then I just used my programs/games that i normally do in my pc to determine stability. i usually give it a week or two to be "sure" that my settings are good. For me this is the best way, because I don't know a person who uses stress testing programs as their everyday tool. let alone be productive on that program alone.

I second that. GTA V is the best overclock destroyer. 1min into that and your PC will crash if anything is out of place.
post #19220 of 19602
Quote:
Originally Posted by netxzero View Post

my personal opinion is to not use stress testing programs because I got a friend who overclocked his haswell way back and after doing a 24-hour stress test, he was so sure that his OC settings are stable because it never had issues. He played a game then after 5 min it crashed.

I followed the same and since then I just used my programs/games that i normally do in my pc to determine stability. i usually give it a week or two to be "sure" that my settings are good. For me this is the best way, because I don't know a person who uses stress testing programs as their everyday tool. let alone be productive on that program alone.

It depends on the stress program used and the settings in the program, for example I got my 4670K to 4.8ghz and passed 20 runs of IBT AVX on Xtreme mode maximum.... but games would crash, I tried x264 and is would crash instantly.

I got my FX 8350 to 5ghz using prime 95 and it passed after a few hours, but failed IBT AVX on any setting because the voltage was too low.

Games aren't a true test that you're stable and for the most part if the data being written to your storage is corrupt then one day when you boot up the system it might have gone too far and you've lost all your data.
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