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The NVIDIA GTX 280 & GTX 260
The NVIDIA GTX 280 has all 240 stream processors enabled, a full 512-bit memory bus and 1 GB of GDDR3 memory. In comparison, the NVIDIA GTX 260 has 20% fewer (192) stream processors, a 448-bit memory bus and 896 MB of GDDR3 memory. The GTX 260 also has slower core and memory clocks. This table compares the full specifications of the two graphics cards :
|
NVIDIA |
NVIDIA |
|
Processor Cores |
240 |
192 |
|
Graphics Clock |
602 MHz |
576 MHz |
|
Processor Clock |
1296 MHz |
1242 MHz |
|
Texture Units |
80 |
64 |
|
Texture Fill Rate |
48.2 billion texels/s |
36.9 billion texels/s |
|
ROPs |
32 |
28 |
|
Memory Clock |
1107 MHz |
999 MHz |
|
Memory Type |
GDDR3 |
GDDR3 |
|
Memory Size |
1024 MB |
896 MB |
|
Memory Bandwidth |
141.7 GB/s |
111.9 GB/s |
|
Power Connections |
8-pin + 6-pin |
6-pin + 6-pin |
|
Board Length |
10.5 inches |
10.5 inches |
|
Board Power |
236 W |
182 W |
|
Thermal Solution |
Dual-slot cooler |
Dual-slot cooler |
|
Maximum GPU Temperature |
105 °C |
105 °C |
|
Outputs |
Two dual-linked DVI ports |
Two dual-linked DVI ports |
|
DirectX Support |
DirectX 10 |
DirectX 10 |
|
OpenGL Support |
OpenGL 2.1 |
OpenGL 2.1 |
|
Bus Interface |
PCI Express 2.0 x16 |
PCI Express 2.0 x16 |
Both cards are very similar in appearance. Both the GTX 280 and the GTX 260 have the same dual-slot cooler design. The only obvious differences are a minor cosmetic difference in the graphics on the cooler shroud, and of course, the presence of two 6-pin power connectors on the GTX 260, instead of one 8-pin and one 6-pin connector on the GTX 280.
) NVIDIA GTX 280 |
) NVIDIA GTX 260 |
At Computex Taipei 2008, we got to inspect an NVIDIA GTX 280 graphics card. We didn't see any GTX 260 but there's no reason why the GTX 260 wouldn't be ready for launch and sale today. Let's take a look at the GTX 280 card.
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