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What requires more cooling?

post #1 of 3
Thread Starter 
I have a 3930K Intel CPU and an ASUS HD 7970 DCII 3GD5 card

Which one of these items requires more radiator? I ask this because I currently cool my CPU with an Antec Kuhler 920 H20 and it works great. I am currently running the vid card stock (2 fans cool it that were factory installed).

My system in enclosed in a HAF-X case and I'm thinking of maybe picking up a 120mm rad to cool the vid card. Is that enough? or do I need more rad? I'm new to this but I've read that some of the GPU temps run kinda high.

Thanks
    
CPUMotherboardGraphicsRAM
Intel Core i7 3930K Big Bang-XPower II (MS-7737) ASUS HD7970 Series Corsair  
Hard DriveHard DriveOptical DriveCooling
Seagate Barracuda OCZ Agility 4  LG DVD burner Antec Kuhler H20 920 
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Microsoft Windows 7 Pro 64 bit Cooler Master HAF-X recon fan controller 
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CPUMotherboardGraphicsRAM
Intel Core i7 3930K Big Bang-XPower II (MS-7737) ASUS HD7970 Series Corsair  
Hard DriveHard DriveOptical DriveCooling
Seagate Barracuda OCZ Agility 4  LG DVD burner Antec Kuhler H20 920 
OSCaseOther
Microsoft Windows 7 Pro 64 bit Cooler Master HAF-X recon fan controller 
  hide details  
Reply
post #2 of 3
You should get at least a 240mm rad to cool the GPU.
post #3 of 3
GPU's put out much more heat energy than CPU's. Its closely related to the TDP of each, a 3930K has a TDP of 130 watts and a 7970 has a TDP of 210 watts. Each can pull more power and put out more heat when overclocked but the GPU will always be higher.

There is no reason a 120 could not cool a GPU, it will just need a faster fan or fans and higher airflow. A 240 rad will do the same job with lower speed fans or give lower water temps at the same fan speeds.
Edited by Jakusonfire - 5/15/13 at 9:56pm
Kusanagi
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Kusanagi
(21 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus Sabertooth Z77 EVGA GTX 780 SC Corsair Vengeance Pro CMY16GX3M2A2133C11 16GB 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 256GB X2 EK Supremacy Aqua Computer Aquaero 6 Pro Aqua Computer D5 USB 
CoolingCoolingCoolingCooling
Aquacomputer MPS 400 flow meter EK-CoolStream PE 360 EK-Coolstream PE 240 Noiseblocker Eloop B12-PS 
CoolingCoolingCoolingCooling
EK Vardar F2 EK-FC Titan Acetal & Nickel EK-RAM Monarch X4 Clean CSQ - Acetal+Nickel EK-D5 X-RES 140 CSQ 
OSMonitorMonitorPower
Win 8.1 Pro 64 bit Samsung S27A750d LG E2290V-SN Silverstone Strider Plus 850W ST85F-P 
Case
Corsair Obsidian 750D 
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Reply
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