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Odd Tempurature Spike on i5 2500k?

post #1 of 5
Thread Starter 
I just finished a water cooling build for my girlfriends CAD workstation. Everything is working fine the only concern I had was with temperature levels.

Can't remember the board off the top of my head but specs are...
NZXT Phantom Black and Green
Z68 MoBo
2500k +.005v offset at 4.9Ghz LLC turned up to ultra high, reports 1.38v in RealTemp. Tried for 5Ghz but would not budge even at 1.45v.
G.Skill Sniper 2x4GB 1866 OC to 2133
OCZ 650w power supply
Firepro V4900 workstation card
XSPC RASA RS360 cooling kit (3x120mm rad) in a CPU only loop

So anyway idle temp is ambient +2 with radiator air first passing through the case.

Here's the thinking.gif
If I run prime, within .5 second (that's half a second) after all workers are started temp jumps to ~60c or 30C over idle. After that it stabilizes it slowly raises a single degree at a time as expected of a water cooling loop, until it peaks at about 70C. All measure with Realtemp

This is my first Intel build, on my Phenom II build @3.6Ghz on big air it only spikes about 3-4 degrees before stabilizing into slow climb although it climbs to it's apex rather quickly since it is air.

Thermal compound is Arctic Silver 5 and I have already reapplied it 2x and when I pealed the block off it looked good both times.

Any idea what could be going on? I tried to find some examples of what this loop should have that i5 at but I doubt it should be this high and the spike is a dead give away anyway that there is a problem. It's almost like the chip is completely detached from the waterblock but it obviously isn't.

The only ludicrous Idea I can come up with is that the silicone is somehow detached inside of the chip?

I did try googling, not much luck :/

Thanks for the help!
-B&C
post #2 of 5
From my experience with my 2500k, this is normal thumb.gif
 
Liquid i5
(18 items)
 
Budget BOINCer
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Intel i7 3930k Asus Rampage IV Gene Micro ATX LGA2011 Diamond Radeon HD 7970 Diamond Radeon HD 7970 
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G.Skill Ripjaws X Series 16GB (4 x 4GB) DDR3-1866 Samsung 840 Pro Series 256GB Heatkiller Waterblocks! Windows 8 Pro 
PowerCase
Seasonic X-850 Mountain Mods H2gO, black wrinkle, Left H Windo... 
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Intel i5 2500k @ 4.5ghz 1.428v Gigabyte GA-P67A-UD4-B3 EVGA 570 SC SLI@ 900/2000 1.1v G-Skill Ripjaws 16gb 
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Crucial C300 128gb Samsung F4 2TBx4 Raid5 LG Bluray Combo GPU - HK GPUx3 
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Liquid i5
(18 items)
 
Budget BOINCer
(11 items)
 
CPUMotherboardGraphicsGraphics
Intel i7 3930k Asus Rampage IV Gene Micro ATX LGA2011 Diamond Radeon HD 7970 Diamond Radeon HD 7970 
RAMHard DriveCoolingOS
G.Skill Ripjaws X Series 16GB (4 x 4GB) DDR3-1866 Samsung 840 Pro Series 256GB Heatkiller Waterblocks! Windows 8 Pro 
PowerCase
Seasonic X-850 Mountain Mods H2gO, black wrinkle, Left H Windo... 
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.5ghz 1.428v Gigabyte GA-P67A-UD4-B3 EVGA 570 SC SLI@ 900/2000 1.1v G-Skill Ripjaws 16gb 
Hard DriveHard DriveOptical DriveCooling
Crucial C300 128gb Samsung F4 2TBx4 Raid5 LG Bluray Combo GPU - HK GPUx3 
CoolingCoolingOSMonitor
CPU - HK Rev 3.0 360+120 Rads, Gentle Typhoon AP-15s Win7 Pro x64 Samsung SyncMaster XL2370 
PowerCaseMouseAudio
Corsair HX750w Cooler Master HAF X Logitech G9 Razer Barracuda AC-1 
CPUMotherboardGraphicsRAM
Phenom II x4 945 MSI 790FX-GD70 3x HD 5870 G-Skill Ripjaws 2x2gb Blue 
Hard DriveCoolingCoolingCooling
Seagate 320gb CPU - XSPC Rasa GPUs - XSPC 5870 & MCW82 RS240 & EX240 
OSPowerCase
XP Pro Seasonic Platinum 860 Fractal Arc Midi 
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by Angrybutcher View Post

From my experience with my 2500k, this is normal thumb.gif

But hitting 60C instantly seems absolute insane, even with the stock cooler and no fan I don't see how it could go up that fast, there is just too much thermal mass. And 70C seems ok even with a triple radiator? 1.38 volts just doesn't seem like that much to me. Maybe I'm just asking for too much lol.

Side note, how is my 4.9Ghz @ 1.38v compared to average? I thought this was pretty good but I was pissed it wouldn't do 5 lol.

How are your temps? I see you are running significantly more voltage than I am but you also have another rad, but are your GPUs in the loop too???

Thanks,
-B&C
post #4 of 5
That's normal for Intel chips =/ And 4.9 with just 1.38 is very good already.
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Need a doctor??
(17 items)
 
  
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Intel Core i5-3570k Asus P8P67 Pro Asus GeForce GTX 460 Palit GeForce 9500GT 
RAMHard DriveOptical DriveCooling
Kingston HyperX 2x2GB DDR3 1600 1TB Samsung Spinpoint F3 Samsung SH-S223C Cooler Master Hyper 212X 
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Windows 7 LG E2350T SteelSeries 7G FSP Aurum Gold 600W 
CaseMouseMouse PadAudio
X5 Raynor Tower G1 Razer Abyssus Razer Sphex Audio-Technica ATH-M50 
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Edifier M3300SF 
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post #5 of 5
Thread Starter 
Alright thanks for the help everyone, I guess I don't have anything to complain about.thumb.gif

-B&C
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