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Power Consumption, Noise Levels, And Temperature Readings

Best Of The Best: High-End Graphics Card Roundup
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Power consumption is measured in watts for the complete test platform. The 2D value comes from a normal Windows user interface at idle (Aero is also turned off to establish a truly minimal value). The 3D value is measured when both CPU and graphics card are running under heavy load (to establish a peak value). The measurement comes from the wall socket, and the efficiency rating for the power supply we used averages around 82.4% (according to its vendor).

Temperatures and Motherboard Slots
2D Temp
3D TempSlots
EVGA GTX 295 Hydro Copper (GTX 295 2x896 MB)3968Double
GeForce GTX 295 (2x896 MB)3966Double
Zotac GTX285 AMP Edition (GeForce GTX 285 1024 MB)4585Double
MSI N285GTX SuperPipe OC (GeForce GTX 285 1024 MB)4287Double
GeForce GTX 285 (1,024 MB)4585Double
MSI N280GTX OC HydroGen (GeForce GTX 280 1024 MB)3451Single
GeForce GTX 280 (1,024 MB)4586Double
BFG GeForce GTX 275 (GeForce GTX 275 896 MB)4792Double
GeForce GTX 275 (896 MB)4792Double
GeForce GTX 260 216SPs (896 MB)4581Double
GeForce GTX 260 (896 MB)4890Double
GeForce 9800 GTX+ (512 MB)4881Double
GeForce 9800 GTX (512 MB)5574Double
Radeon HD 4890 (1,024 MB) 9.46080Double
Radeon HD 4870 X2 (2x1,024 MB)4979Double
Radeon HD 4870 (512 MB)6074Double
Radeon HD 4850 (512 MB)7994Single
Radeon HD 4770 (512 MB)5272Double
Power Consumption
2D Watts3D WattsTDP WattsPower Connectors
EVGA GeForce GTX 295 Hydro Copper (GTX 295 2x896 MB)1885322891 x 6 + 1 x 8 pin PCIe
GeForce GTX 295 (2x896 MB)1884682891 x 6 + 1 x 8  pin PCIe
Zotac GTX285 AMP Edition (GeForce GTX 285 1,024 MB)1503561832 x 6 pin PCIe
MSI N285GTX SuperPipe OC (GeForce GTX 285 1,024 MB)1563481832 x 6 pin PCIe
GeForce GTX 285 (1,024 MB)1503481832 x 6 pin PCIe
MSI N280GTX OC HydroGen (GeForce GTX 280 1,024 MB)1633582361 x 6 + 1 x 8 pin PCIe
GeForce GTX 280 (1,024 MB)1553472361 x 6 + 1 x 8 pin PCIe
BFG GeForce GTX 275 (GeForce GTX 275 896 MB)1563552192 x 6 pin PCIe
GeForce GTX 275 (896 MB)1563512192 x 6 pin PCIe
GeForce GTX 260 216SPs (896 MB)1502951822 x 6 pin PCIe
GeForce GTX 260 (896 MB)1543301822 x 6 pin PCIe
GeForce 9800 GTX+ (512 MB)1652771412 x 6 pin PCIe
GeForce 9800 GTX (512 MB)1702781562 x 6 pin PCIe
Radeon HD 4890 (1,024 MB)
1823121902 x 6 pin PCIe
Radeon HD 4870 X2 (2x1,024 MB)2344652861 x 6 + 1 x 8 pin PCIe
Radeon HD 4870 (512 MB)1912881572 x 6 pin PCIe
Radeon HD 4850 (512 MB)1662701141 x 6 pin PCIe
Radeon HD 4770 (512 MB)152199801 x 6 pin PCIe
Noise Levels Measured
2D dB(A)3D dB(A)Fan slots
Fan diameter
EVGA GeForce GTX 295 Hydro Copper (GeForce GTX 295 2x896 MB)Water cooler
Water coolerDoubleWater cooler
Zotac GTX285 AMP Edition (GeForce GTX 285 1,024 MB)37.951.4Double75 mm
MSI N285GTX SuperPipe OC (GeForce GTX 285 1,024 MB)36.138.7Double2 x 65 mm
GeForce GTX 285 (1,024 MB)37.951.4Double75 mm
MSI N280GTX OC HydroGen (GeForce GTX 280 1,024 MB)Water coolerWater coolerSingleWater cooler
GeForce GTX 280 (1,024 MB)38.045.4Double75 mm
BFG GTX 275 (GTX 275 896 MB)36.844.2Double75 mm
GeForce GTX 275 (896 MB)36.844.2Double75 mm
GeForce GTX 260 216SPs (896 MB)37.541.2Double75 mm
GeForce GTX 260 (896 MB)37.853.8Double75 mm
GeForce 9800 GTX+ (512 MB)36.641.4Double73 mm
GeForce 9800 GTX (512 MB)37.244.8Double70 mm
Radeon HD 4890 (1,024 MB)
36.748.4Double73 mm
Radeon HD 4870 X2 (2x1,024 MB)51.260.4Double73 mm
Radeon HD 4870 (512 MB)38.049.4Double73 mm
Radeon HD 4850 (512 MB)36.247.9Single60 mm
Radeon HD 4770 (512 MB)36.338.5Double70 mm
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