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GeForce GTX 260 vs Radeon HD 6970


The GeForce GTX 260 comes with clock speeds of 576 MHz on the GPU, and 999 MHz on the 896 MB of GDDR3 memory. It features 192 SPUs along with 64 TAUs and 28 Rasterization Operator Units.

Compare all of that to the Radeon HD 6970, which features a core clock speed of 880 MHz and a GDDR5 memory speed of 1375 MHz. It also uses a 256-bit bus, and uses a 40 nm design. It features 1536 SPUs, 96 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 260 182 Watts
Radeon HD 6970 250 Watts
Difference: 68 Watts (37%)

Memory Bandwidth

In theory, the Radeon HD 6970 will be 57% faster than the GeForce GTX 260 in general, because of its higher data rate. (explain)

Radeon HD 6970 176000 MB/sec
GeForce GTX 260 111888 MB/sec
Difference: 64112 (57%)

Texel Rate

The Radeon HD 6970 should be a lot (about 129%) better at texture filtering than the GeForce GTX 260. (explain)

Radeon HD 6970 84480 Mtexels/sec
GeForce GTX 260 36864 Mtexels/sec
Difference: 47616 (129%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon HD 6970 is the winner, and very much so. (explain)

Radeon HD 6970 28160 Mpixels/sec
GeForce GTX 260 16128 Mpixels/sec
Difference: 12032 (75%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Display Prices

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GeForce GTX 260

Radeon HD 6970

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.


Display Specifications

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Model GeForce GTX 260 Radeon HD 6970
Manufacturer nVidia AMD
Year June 16, 2008 December 2010
Code Name G200 Cayman XT
Memory 896 MB 2048 MB
Core Speed 576 MHz 880 MHz
Memory Speed 1998 MHz 5500 MHz
Power (Max TDP) 182 watts 250 watts
Bandwidth 111888 MB/sec 176000 MB/sec
Texel Rate 36864 Mtexels/sec 84480 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 28160 Mpixels/sec
Unified Shaders 192 1536
Texture Mapping Units 64 96
Render Output Units 28 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit 256-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 2640 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.


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