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Discussion Starter #1
I was struggling to hit 4ghz without overheating in Intel Burn test, so I decided to try and lap my TRUE. Only had 400/800/1200 grit. Couldn't get cleaning alcohol so I used Zippo lighter fluid (seems to work well) then just polish it with a cloth.

(3.8ghz)
Temps before:
Idle: 29'c
Load: 48'c (Intel burn) 46'c (prime95)

400 grit:

1200 grit:

Sorry for iPhone camera xD

Its really kinda rough, doesn't look uber shiny but I cant go any higher :/

(3.8ghz)
Temps after:
Idle: 28'c
Load: 46'c (Intel Burntest) 43'c (Prime95)

Would lapping the CPU drop the temps any more? Would it ruin the warranty/re-sale value?
 

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Yes it would kill the warranty.

Some people would not buy a lapped cpu (I would not). Some may like it that way.

I'm surprised you saw that much of a temp change. Nice
 

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If you're going to lap one, in my opinion you should lap the other as well.

Yes it kills the warranty, but in most cases you wouldn't have needed it anyway.

As for resale value, as long as people know what they're getting it shouldn't hurt the value any.
 

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Why bother with those temps? And yes, you lose warranty.
I lapped my TRUE, and my old Q6600. It makes a nice vacuum, but for temps it did not matter so much.
My good old TRUE keeps my unlapped i5 under 60 always, so i'm happy
 

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Discussion Starter #5
The problem is I can get 3.8ghz at 1.4v under 55'c
But soon as I get to the 4ghz+ range i need 1.47v+
Which means it overheats during Intel Burn test even when the TRUE is lapped.
 
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