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[Official] Ivy Bridge Owners Thread - Page 429

Poll Results: Which Ivy Bridge CPU did you buy?

This is a multiple choice poll
  • 50% of voters (692)
    i5 3570k
  • 43% of voters (586)
    i7 3770k
  • 6% of voters (91)
    Other
1362 Total Votes  
post #4281 of 7362
Thread Starter 
Quote:
Originally Posted by Valgaur View Post

.......should I go past that 1.55V wall...I want 5.3 and 5.4 so badly............

I guess I haven't told you or you haven't heard about it. I ran 1.58vcore on air (before I got my H100) for about 1 minute trying to get a 5.4 validation! It didn't work. frown.gif
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post #4282 of 7362
Quote:
Originally Posted by Swag View Post

I guess I haven't told you or you haven't heard about it. I ran 1.58vcore on air (before I got my H100) for about 1 minute trying to get a 5.4 validation! It didn't work. frown.gif

.....still need a yes or no lol tongue.gif im stubborn that way.
post #4283 of 7362
Thread Starter 
Quote:
Originally Posted by Valgaur View Post

Quote:
Originally Posted by Swag View Post

I guess I haven't told you or you haven't heard about it. I ran 1.58vcore on air (before I got my H100) for about 1 minute trying to get a 5.4 validation! It didn't work. frown.gif

.....still need a yes or no lol tongue.gif im stubborn that way.

Max I would go to minimize any chance of damage would be 1.56vcore. Ivy Bridge is strong though so you probably won't hurt it one bit even if you pass the 1.55vcore mark.
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post #4284 of 7362
1.52v is the max Intel's spec voltage.
You won't see degradation for some suicide runs at 1.55v, but I wouldn't try more than that on air/water.
Also, adding vcore won't make you go higher up to certain extent, cause of temps, so you won't gain any more mhz unless you start decreasing temps.
post #4285 of 7362
Quote:
Originally Posted by ivanlabrie View Post

1.52v is the max Intel's spec voltage.
You won't see degradation for some suicide runs at 1.55v, but I wouldn't try more than that on air/water.
Also, adding vcore won't make you go higher up to certain extent, cause of temps, so you won't gain any more mhz unless you start decreasing temps.

It hates 5.3 wasn't even running anything lol......it's a no go for even 1.58......it was just a windows try no stressing at all. no more I'm happy with 5.2 Ghz lol.
post #4286 of 7362
If you can at least bench 2d and 3d stuff, 5.2ghz is a great oc tongue.gif
post #4287 of 7362
Quote:
Originally Posted by ivanlabrie View Post

If you can at least bench 2d and 3d stuff, 5.2ghz is a great oc tongue.gif

I do no 2d 3d benching at 5.1 or 5.2 - just cpu-z validation! (although I did get a run or two of superpi in at 5.1 - no go for 5.2 though!)
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post #4288 of 7362
Quote:
Originally Posted by PCWargamer View Post

I do no 2d 3d benching at 5.1 or 5.2 - just cpu-z validation! (although I did get a run or two of superpi in at 5.1 - no go for 5.2 though!)


could do some benching at 5.1ghz and 1.485V vcore set in bios, 78C on hottest core with Aida,
prime would prolly give max 15-20C more, more likely 10-15C

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post #4289 of 7362
Okay, so i did the theoretical calculations for mounting a water block directly to the die.

I had no actual dimensions (unless someone gives them to me) of water block, die, etc. I assumed die was 1 x 2 cm, and copper plate of water block to be 4cm x 4cm x 0.2cm (L x W x H). Most values used for calculation were estimated for 'load' conditions.

Anyways, it turns out that the base of the water block would sufficiently distribute the heat across it's entire surface. Assuming you have a good mount, a direct mount onto the die would be more effective than having the IHS. My conclusion is based upon calculated biot numbers, which were always less than 0.1 (suggesting uniform distribution of heat across the water block).

I won't get into the details of how to calculate it (unless people insist).. but the results generally showed uniform distribution of temperature, regardless of the dimensions, temperatures i used. It's a pretty interesting result, but I'd like to see someone test it experimentally. I don't know how much of a difference it'd make, but directly mounting to die should be lower since there's no thermal resistance from the IHS and a layer of thermal grease.
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post #4290 of 7362
Quote:
Originally Posted by Arkaridge View Post

Okay, so i did the theoretical calculations for mounting a water block directly to the die.
I had no actual dimensions (unless someone gives them to me) of water block, die, etc. I assumed die was 1 x 2 cm, and copper plate of water block to be 4cm x 4cm x 0.2cm (L x W x H). Most values used for calculation were estimated for 'load' conditions.
Anyways, it turns out that the base of the water block would sufficiently distribute the heat across it's entire surface. Assuming you have a good mount, a direct mount onto the die would be more effective than having the IHS. My conclusion is based upon calculated biot numbers, which were always less than 0.1 (suggesting uniform distribution of heat across the water block).
I won't get into the details of how to calculate it (unless people insist).. but the results generally showed uniform distribution of temperature, regardless of the dimensions, temperatures i used. It's a pretty interesting result, but I'd like to see someone test it experimentally. I don't know how much of a difference it'd make, but directly mounting to die should be lower since there's no thermal resistance from the IHS and a layer of thermal grease.

from everything i read about it, temps drop 1 to 3C max without the IHS, and mounted directly to the Die..
i dont try, because i have a aircooler,Scythe Mugen 2 Rev. B push/pull, i think its to heavy and puts to much pressure on the die, its hard to mount it,
and afterwards, theres always a bit more pressure on 1 side of the die,
if i had a watercooling, i would surely try it..
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