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Intel Pentium G3258 Performance and Owners Club NOW with GTX 970 - Page 115

post #1141 of 4581
Quote:
Originally Posted by dxt55 View Post

Quote:
Originally Posted by fateswarm View Post

VIN raises heat, power and danger when it's higher. Though it's not as severe on impact as Vcore. It can go places more liberally.

It's the input voltage of the internal voltage regulators, something like the internal "PSUs". The Vcore actually drives the cores.

So, it has an impact and it needs being careful but the overclock itself is mainly affected by the Vcore.


In practice the VIN stabilizations are indirect since they result to stabler resulting voltages.
My Gigabyte B85 board automatically sets VIN to 2.0v when I have the CPU overclocked to 4.3Ghz (vCore at the max allowed of 1.2v). It sounds like I should take VIN out of automatic mode and manually set it to 1.7v (or the lowest stable). Is there a default VIN for the G3258, or does it vary chip-to-chip like the stock vCore?

I'm not sure because those specs are confidential nowadays I think. It might be that Intel has a default of 1.8v across the whole range. But, motherboard manufacturers seem to do whatever they want lately and use whatever they want on VIN or Vcore regardless of VID or intel recommendations so it's hard to tell.

And it differs depending on bios version sometimes.
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post #1142 of 4581

VCCIN or VIN will vary from batch to batch on these chips.. some need a lot for stability.. others not so much

 

*ie - Ive had a couple batches that liked as high as 2.92v VCCIN for max clocks on LN ... while others could clock much higher and only needed 2.4v VCCIN

post #1143 of 4581
on my msi board vrin gives red text warning at 2.3v, vcore at 1.3v, vring at 1.2v. however i cant find anybody that uses super high vrin above 2.1 on the forums unless using cold. ive tried 2.2v and it didnt explode. on the intel presentation for fivr they hinted design for 2.4v, i guess its one of those things you dont want to break/degrade because it renders your processor inoperable.
post #1144 of 4581
Quote:
Originally Posted by CL3P20 View Post



Warning: Spoiler! (Click to show)


new results from C016 batch tonight

Wow. 6GHz. i get about the same score with my Phenom Quad at 4.4GHz.
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post #1145 of 4581
2 extra cores can make some difference with cine.
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post #1146 of 4581
Finally cracked 3000mhz dram on my sample smile.gif
http://valid.canardpc.com/j8dfde
post #1147 of 4581


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post #1148 of 4581
Erm.. am I doing something wrong?

http://hwbot.org/xtu/analyze/2618885?recalculate=true


This score seems woefully low for 4.4GHZ.
post #1149 of 4581
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Originally Posted by hotrod717 View Post

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thumb.gif

squeezing in another 250MHz like you did would make me happy too, nice chip biggrin.gif
post #1150 of 4581
Quote:
Originally Posted by aerotracks View Post

squeezing in another 250MHz like you did would make me happy too, nice chip biggrin.gif
Literally 4th attempt benching this chip. Still have along way to go with subtleties of Haswell. Coming from x79. Definitely not one to try and muscle all the way. Delicate balance with voltages.
    
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