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Difference of Celcius Between Water Block and Original Fan For 6950 2gb

post #1 of 4
Thread Starter 
Hey i was wondering how much celcius will i be getting if i swap out the fan cooling and save up for a water block for the gpu. Also i got a 230mm fan on the door pushing in if i get 4 fans pushing in will it cool my Gpu more. I was thinking about 4 led Cooler masters blue running at 2000rpm and 69cf or Somthing better i just want somthing with led lights that pushes alot of air and looks really nice with my case or somthing really good for air and cooling.
    
CPUMotherboardGraphicsRAM
Intel Core I5 2500K Asus Sabertooth P67 3.0 Revision New One AT RADEON HD 6950 2Gb Unlocked Shaderz Only 4Gb DDR3 VIper Extreme II 
Hard DriveOSMonitorKeyboard
Western Digital 500 Gb Windows 7 64bit ASUS VE278Q 27Inch 1080p LED LCD Logitech 
PowerCaseMouse
Corsair HX850 Modular HAF 932 ADVANCE LOGITECH G700 
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CPUMotherboardGraphicsRAM
Intel Core I5 2500K Asus Sabertooth P67 3.0 Revision New One AT RADEON HD 6950 2Gb Unlocked Shaderz Only 4Gb DDR3 VIper Extreme II 
Hard DriveOSMonitorKeyboard
Western Digital 500 Gb Windows 7 64bit ASUS VE278Q 27Inch 1080p LED LCD Logitech 
PowerCaseMouse
Corsair HX850 Modular HAF 932 ADVANCE LOGITECH G700 
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post #2 of 4
Waterblocks usually yield GPU load temperatures in the high 30s-40s. Obviously simply changing the side panel fans won't achieve those temperatures, but you might get a slight decrease by using 120s.
post #3 of 4
You need a custom water loop just so you know. Modding your H50 and attaching a GPU to that normally isn't a good idea.

You will see much better temps with a water block then you will with the stock cooler.
post #4 of 4
Checking the spreadsheet I've been keeping of my temps, the difference between air cooling with a side fan and stock fan settings (auto fan profile) that I've seen on my XFX 6950 2gb in 3dmark11 are:

Stock clocks, 100% load, extreme setting: 71c GPU, 69c Shaders, room at 26c, fan speed 27%
840/1325, 100% load, extreme setting: 69c GPU, 72c Shaders, room at 25c, fan speed at 32%
With Razor 6970 waterblock, 840/1325, 100% load, extreme setings: 36c GPU, 57c Shaders, room at 24c, fans are PWM controlled to ~20% (approximately 1000rpm, silent on GTX360 radiator)
With Razor 6970 waterblock, 880/1300 (6970 speeds+unlocK), 100% load, extreme settings: 39c GPU, 60c Shaders, 26c room temperature, fans still ~20% on rad

I couldn't stand the 6950 fan when it got over 30% or so since my new case is next to silent (HAF-X). Now with my full custom watercooling setup, I don't have to hear any fans ever. My HDDs are the loudest thing in my computer, but fortunately my OS partition is an SSD, so I don't have to often hear the HDDs wind up.
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