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post #8531 of 105860
Quote:
Originally Posted by Zamoldac;12543573 
You have to take into consideration that while the cpu's TDP will remain roughly the same the GPU's are also reaching 2D TDP, also when i was referring to the wb size I meant the surface which comes in contact with the liquid running through the loop not the surface contact between cpu/wb or gpu/wb, a larger block to liquid surface will offer better heat transfer.

Did you consider that the Supreme HF works differently than the Koolance WBs that he has on the GPUs? Jet impingement over the microchannels in the Supreme give increased flowrate and turbulence through the block, plus high surface area in the block base. The Koolance blocks use the loop flowrate.

You're trying to compare apples and oranges. Yes there may be more block area, but the GPU block also carries VRM and memory heat and 2D TDP is irrelevant when we're talking about load temps....?
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post #8532 of 105860
Quote:
Originally Posted by SaltwaterCooled;12543605 
..You're trying to compare apples and oranges...
This is exactly why GPU = CPU temp (while sharing the same loop) is not a rule.
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post #8533 of 105860
https://cid-ebfbadb4e3af1c8a.skydrive.live.com/redir.aspx?page=play&resid=EBFBADB4E3AF1C8A!125&authkey=O3Zkzq0lGpM%24

Full res screen shot. Nvidia tools temps = GPU_Z temps so figure that is okay. Reseated CPU, no real change I can see in the CORE temp differences. Still has 2 slit jet plate in it. I notice the delta between CPU/GPU seems about what it was, about 20c now... maybe it was those springs were not tight enough... this is cold after I just restarted it..


8-)

Tex

PS: Turned up the pump to max and it started splashing in the reservoir so set it back to 4.... seems to have dropped the temps 1 or 2 degrees so maybe I had it running slightly too slow. Also, I can't crank up the video cards until my ram coolers get here; forgot to order them before on this new build (my first water cooled build).
Edited by Tex1954 - 2/27/11 at 10:27am
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post #8534 of 105860
Quote:
Originally Posted by Zamoldac;12543644 
This is exactly why GPU = CPU temp (while sharing the same loop) is not a rule.
The difference in temps should be small if the blocks are able to efficiently handle the heat load. Given that he has good blocks, they should be able to be similar. There's simply no way around the fact that the CPU should be cooler given the loop order and other temps. If even if the water in the loop is as 45C (assuming the GPUs are cooling 100% effectively), then that means that the HF is giving a 15-20C delta between water temp and core temp, which is too high.
If things were as you say they are, then the higher CPU temps should be due to high heat-dump into the loop, which would then require higher GPU temps.

Quote:
Originally Posted by Tex1954;12543677 
https://cid-ebfbadb4e3af1c8a.skydrive.live.com/redir.aspx?page=play&resid=EBFBADB4E3AF1C8A!125&authkey=O3Zkzq0lGpM%24

Full res screen shot. Nvidia tools temps = GPU_Z temps so figure that is okay. Reseated CPU, no real change I can see in the CORE temp differences. Still has 2 slit jet plate in it. I notice the delta between CPU/GPU seems about what it was, about 20c now... maybe it was those springs were not tight enough... this is cold after I just restarted it..


8-)

Tex

That delta should be smaller, especially with MX-4, do you have the block nice and tight? And you said turning up the pump doesn't do anything?
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post #8535 of 105860
apologies regarding quality, had to use my trusted iphone 3g untill I get my digi cam replaced. Anyways heres my build (rig assembly in sig "project: water under the bridge"):

first up triple rad mount:

jingoi.jpg

feosub.jpg


whole rig:

15x4w92.jpg

nzgg7k.jpg

2m2xlj6.jpg

2pqq06t.jpg

2mdq634.jpg

xgim1d.jpg

23jldew.jpg

2qxaiz9.jpg

30cm8er.jpg

30rpu89.jpg

dgml21.jpg

e0h0n5.jpg

ejd7np.jpg

jjtt9j.jpg

2n88oxv.jpg


Gtx 460:

168s7k1.jpg

zy7i8i.jpg

nf4mwx.jpg

vsi5ae.jpg


Again apologies for poor pics but hope you like biggrin.gif
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post #8536 of 105860
WOW! Pretty system! I like the little fans on your board, I may try that too!

Yes, I turned the pump up, made 1 or 2 degree reduction in CPU temp. I will let it run 24 hrs loaded and see where it ends up with the covers on. Next, I will try changing the Jet plate to single slit and maybe that will help.

Thanks for all your help!!

8-)

Tex
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post #8537 of 105860
Looks great! I like that VRM fan mod for the GPU.
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AC Mk-800 Cobra
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post #8538 of 105860
updated
post #8539 of 105860
Quote:
Originally Posted by SaltwaterCooled;12544003 
Looks great! I like that VRM fan mod for the GPU.

thanks works very well, right now idle at 24c and load never goes above 40c biggrin.gif

Edit: 400 posts thumbsupsmiley.png
Edited by munaim1 - 2/27/11 at 11:01am
it looks alive
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
MonitorPowerCaseAudio
LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
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it looks alive
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Sandy Transformed
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
MonitorPowerCaseAudio
LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
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post #8540 of 105860
Can anyone here tell me how to test my 240mm rad for leaks please?
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