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Intel Haswell Overclocking Clubhouse.

MxPhenom 216

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DO IT. OR get the Z97 MSI board that comes with the bracket...

although I suppose you'll still need the mount kit, eh? And will have to remove the socket bracket.
I want to have a back up CPU though, encase things go really wrong.

I have to pretty much take the whole metal bracket off my current stock and just set the CPU into it. And let the mounting of the block be the pressure it needs to make good contact with the pins.

I definitely want to do it, but im not sure it would allow me to clock more. Im already pushing 1.34v and 1.36v at load through the chip for 4.5 and temps are never higher 70c in what I use to stress test and what not.
 
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P1040057.JPG


Stopped by Micro Center this afternoon to check on available 4790K batches and I came home with this...
 
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cadaveca

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I don't think Intel is fully prepared for how many of these they are going to sell. OR maybe they do, and that's why they are priced so cheap. $80 is perfect. Many "AAA" games cost that, and many gamers spend that every two weeks. As a throw-away CPU that lets OC return to entry markets, I am really hoping that these pentiums are the start of pulling this current gen of console gamers over to PCs, and then as enthusiasts, since I don't think we'll see another new XBOX, ever. Silicon limits and power budgets are just too close.


Restricting OC to high-priced chips only was the stupidest thing this industry did.
 
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Stock:
1.056 VID
1.066 Cache

Set Vcore to 1.2v, Dram to 1600C9 @1.5v, Everthing else on auto (cache defaults to 32x)

And the result for my sample was 41x max boot... Uploaded a brief AIDA stress run.

I was kind of hoping for 4.4/4.5...

Pentium.PNG
 

cadaveca

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push the volts higher. 4.5 might be a bit high, 4.4 seems realistic with a bit more juice.
 
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Scaling...

42x with ~1.220v
43x with ~1.280v

MSI Marketing says I can expect 4.7! :laugh:

or maybe my sample is below average... :rolleyes:

"They can automatically overclock the CPU to 4.3GHz from its original 3.2GHz through MSI's exclusive technology OC Genie 4, increasing its performance by 34%, so even a beginner will be able to overclock a computer stably to high performance through a single action without any complicated skills and configurations.



The CPU can even be easily overclocked to 4.7 GHz if a high-end air-cooling fan is used, boosting its performance as high as 45%."

Source: http://www.techpowerup.com/forums/threads/pentium-20th-anniversary-edition-g3258-reaches-6861-7-mhz-on-msi-motherboard.202711/
 
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Return it to microcenter and get another!:laugh:
 
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Pentium 4.3GHz Prime blend load.PNG


A quick 30min Prime blend with custom memory usage.

This chip will likely need ~1.325v(+) for 44x...

Edit: Tested 44x at 1.325v but it wasn't stable and I had to bump vcore up to 1.345v in order to run a brief Prime large fft.
 
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I made sure to disable all the spread spectrum, C1E type stuff. Intel speed step off.
The I set my ratio to 100:100
Set my ram to 2200 "or maybe it auto set it"
Set the cpu voltage to 1.35
I am rock steady at 4.6 ghz. 4770k.
Most things I left on auto.
 
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I saw 2-3 German folks already got their hands on 4790K and most do 4.5ghz @ 1.2v or bellow, 1-2 did 1.12v and 1.16v @ 4.5ghz.

#last 2-3 pages
http://www.hardwareluxx.de/community/f139/oc-prozessoren-intel-sockel-1150-haswell-laberthread-962401-483.html


But overall 4.7 - 4.8ghz (+1.3V) still seems to be the limit. Guess Intel didnt want mainstream cpus owning Enthusiasts and capped them lower or something :D
I got one as well. So far I only did a 5-way ASUS optimization on my Maximus Hero and that gave me 4.7 @ 1.302 V with a NH-D15. More later.
 

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Oh Devils Canyon where are you :(

@D007 thanks for the post, I've been struggling with this cpu and forgot the C1E shit to turn off.
I disabled it on my board and went to x45 multi and been running AIDA stress for over 20 min now and shes perking right along :peace:
 
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Oh Devils Canyon where are you :(

@D007 thanks for the post, I've been struggling with this cpu and forgot the C1E shit to turn off.
I disabled it on my board and went to x45 multi and been running AIDA stress for over 20 min now and shes perking right along :peace:
I am very glad to help. :)
PS, also looking forward to Devils Canyon. ;)
 
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How come my spread spectrum is greyed out? I cant seam to set the base clock to manual
 
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Asus Z87 users, I see I missed the 2005 bios train by a couple of weeks... I am on 2003 beta, planning to jump to 2005. This is one of the rare times I have read it "improves performance" versus "improves stability" or "adds support for x" in a while. Any thoughts to reflect on? Anything noticeable? I don't expect much, but plan to get up-to-date anyways.
 
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Well I kinda regret going from 2003 to 2004, use to be fine ~ 1.27v (all 4 coreV load 1.280v), now Im back to square0 1.284v (all 4 coreV load 1.296v) prior 1707 and earlier bioses.


Also I need internal PLL - auto to pass my x264 encoding using openCL, so far this heats up almost like prime,.. And this Internal PLL adds few 4-5C as well..
Max @ 4.7ghz was ~ 82-84C in summer :eek:, I was at adaptive voltage and that made the rest, saw 1.36v jumps lol :D
 
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Today on my birthday and i finally got some time and a little mood to change my i5-4670k out with my new Intel Pentium G3258 but my MSI Z87I Gaming AC board ain't really happy, i can't do reboots from bios or windows i just get black screen on boot but if i do cold boot nuth is wrong o_O



this little "beast" was really easy getting to 4ghz and 4,5ghz it took a little to get it stable at 4.6ghz and anything higher my board don't boot or windows 8.1 pro trashes at start op.

my cpu-z validation for 4.6ghz with both cores enabled (i use CPU-Z 1.69.3 x64):





i keep by i5-4670k at 4ghz i don't think i really need more for my gaming at 2560x1440@120hz with my MSI GTX 780 Gaming OC 3gb.

here is a SuperPi mod 1.5 XS my i5-4570k @ 4ghz vs my Pentium G3258 4.6ghz (both is tested with 2400mhz memory speed):



 
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It looks like you got yourself a nice present for yourself. Happy birthday to you ! :clap:
That is one weird bug.. Have you tried resetting CMOS ?

4.6 GHz at 1.3 V ? That's pretty decent chip I would say.. Hopefully I would get as good as yours or even better :D
 
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It looks like you got yourself a nice present for yourself. Happy birthday to you ! :clap:
That is one weird bug.. Have you tried resetting CMOS ?

4.6 GHz at 1.3 V ? That's pretty decent chip I would say.. Hopefully I would get as good as yours or even better :D
already did from inside the bios, plus my bluetooth on my Intel Wireless AC 7260 don't work either with this Pentium G3258, works fine with my i5-4670k :(

 
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I have just updated my BIOS version to 1.A0 and it's completely unstable to any setting that was previously stable with BIOS version 1.40.. Nothing weird seems to happen with my devices, tho..
I am not sure if CPU has anything to do with device problems but try to reinstall the driver to see if it fixes the problem.
I will tinker it for a bit and might roll back to 1.40 or any other BIOS version if it gives me too much headache..
 
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well now i tried clearing cmos not helping still the same problem :(

so i guess MSI need to do more work on their bioses...


oki looks like clear cmos made my bluetooth work again o_O
 
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Glad that you made it to work again :D

I just rolled back to my 1.40 BIOS and surprisingly it wasn't stable either.. I noticed a huge voltage drop from what I set in the BIOS and saw in the windows. I set 1.20 V in BIOS but it only showed me 1.054 V in windows by using CPU-Z ( 1.69.3 ) and HWinfo64...
No wonder it won't be stable at 4.6GHz when I set 1.20 V in the bios... It's been long time since I overclocked mine so I must have forgotten something.. Back to tinkering again..
 
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so now i have done some benchmarks and i am actually oki impressive of what this little Intel Pentium G3258 can actually do at 4.6ghz when i put it against my i5-4670k at 4ghz.

we talking 2400mhz memory speed and a MSI N780 TF 3GD5/OC boosting itself to 1006mhz on the gpu while memory stays at 1502mhz.

here are 3DMark test even their page don't validate my G3258 maybe it's too new :laugh:

i5-4760k @ 4ghz: http://www.3dmark.com/3dm/3466271



Pentium G3258 @ 4,6ghz (Yes i know 3DMark/Futuremark calls it a G3420): http://www.3dmark.com/3dm/3487193



more will come later ;)
 
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Idk if you all know, but PLL Termination voltage can affect cpu temperature threshold with Internal cpu PLL - auto/or enabled.

*PLL termination.jpg
*older screen, now I have SVID disabled and 1.75v,


I've read @ overclock.net its ok up to 1.25v (default 1.00v), anything more and cpu doesn't like it.


So I tested up to max 1.20v and to my surprise it lowered cpu temp. by at least 5-7C on core0 but also raw cpu performance. Maybe that's why cpu doesn't like anything above 1.25v - gets underpowered by internal PLL or something like that.


I've tested it with 3dmark2011 physics part @ 4.6ghz and this is how it looked like; in all cases disabled C1E in Realtemp so it didnt downclock.
  • at auto & internal PLL - auto its ~12480 and core0 70-72C atm in summer.
  • 1.050v minimal throttling by raw cpu perf. lost maybe 50-100points (~12390), but temps. were lower too @ core0 64-66C - I use this atm.
  • 1.10v throttles more, also score at least 200-300 points lower. (~12060)
  • 1.15v throttles a lot, lost up to 700 points, (~11600)
  • 1.20v throttles the most, lost up to 1000 points (~ 11300)
by all above temps bellow 67C, higher PLL termination above 1.10v didnt lower °C anymore, only raw cpu power.
 
Last edited:

klepp0906

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Are you using auto cpu voltage? Because 1.33v for 4.5ghz is overkill imo. I bet you would need max 1.20v.


Gigabyte is known to overvolt top much by auto cpu voltage, I had the same problem with my old Gigabyte x48-DS5. I saw another user with similar Gigabyte z87 mobo reporting the same, he was at default 39x and 1.25v.:shadedshu
Lol I wonder how you would feel about my despicable chip taking 1.47v for 4.6 :p

That's 24hr prime stable voltage but still. Worst chip I've heard of :p

It's predecessor did. 4.7 at 1.41 but didn't care for my ceramic tile apparently. Silly me thought "hey Atleast I'll get a new chip that will clock a little better" ha!

Id love to be able to do. 4.5 @ 1.33 let alone friggin 1.20, and I run naked :p
 
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Don't feel too bad, my 4770k takes 1.30v to hit 4.4Ghz. Can't even really touch the CPU Ring speed, no matter what voltage I give it.
 
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