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Custom Cooling: Deepcool's Dracula And Arctic's Accelero Xtreme

Test System Setup And Benchmarks

Our testing includes idle and load temperature measurements, in addition to acoustic benchmarks. We're using Battlefield 3 as our graphics load,  with the game running under the Ultra quality preset at 1920x1080 for 10 minutes in the Operation Swordbreaker level. We log temperatures using GPU-Z, and measure noise two feet from the back of the case with a CM-130 SPL meter. Unfortunately, ambient noise is a challenge in our real-world test lab; we recorded 40.5 dB(A).

While the Arctic Accelero Xtreme fans are powered by headers on the graphics card and should vary rotational speed in response to thermal load, Deepcool's Dracula employs power supply or motherboard fan headers. We're using 12 V leads on the motherboard to drive constant RPMs.

We also plan to measure how these coolers handle a GPU overclock to 1100 MHz with a 1.2 V setting. This increase should generate significantly more heat than the stock settings.

Test System
CPUIntel Core i7-3960X (Sandy Bridge-E), 3.3 GHz @ 4.25 GHz , Six Cores, LGA 2011, 15 MB Shared L3 Cache, Hyper-Threading enabled.
MotherboardASRock X79 Extreme9 (LGA 2011) Chipset: Intel X79 Express
NetworkingOn-Board Gigabit LAN controller
MemoryCorsair Vengeance LP PC3-16000, 4 x 4 GB, 1600 MT/s, CL 8-8-8-24-2T
GraphicsRadeon HD 7970 3 GB GDDR5
Hard DriveSamsung 470-series 256 GB (SSD)
PowerePower EP-1200E10-T2 1200 W ATX12V, EPS12V
Software and Drivers
Operating SystemMicrosoft Windows 7 x64, Service Pack 1
DirectXDirectX 11
Graphics DriversCatalyst 12.7 Beta
Battlefield 3Operation Swordbreaker, Ultra settings, 1920x1080, 10 minutes