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GeForce GTX 260 Core 216 vs Radeon HD 6950

Intro

The GeForce GTX 260 Core 216 comes with a GPU core speed of 576 MHz, and the 896 MB of GDDR3 RAM runs at 999 MHz through a 448-bit bus. It also is comprised of 216 Stream Processors, 72 Texture Address Units, and 28 Raster Operation Units.

Compare those specs to the Radeon HD 6950, which has a clock frequency of 800 MHz and a GDDR5 memory speed of 1250 MHz. It also features a 256-bit bus, and uses a 40 nm design. It features 1408 SPUs, 88 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6950 200 Watts
GeForce GTX 260 Core 216 202 Watts
Difference: 2 Watts (1%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6950 should be 43% quicker than the GeForce GTX 260 Core 216 overall, because of its greater bandwidth. (explain)

Radeon HD 6950 160000 MB/sec
GeForce GTX 260 Core 216 111888 MB/sec
Difference: 48112 (43%)

Texel Rate

The Radeon HD 6950 should be much (more or less 70%) better at texture filtering than the GeForce GTX 260 Core 216. (explain)

Radeon HD 6950 70400 Mtexels/sec
GeForce GTX 260 Core 216 41472 Mtexels/sec
Difference: 28928 (70%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 6950 is a better choice, by far. (explain)

Radeon HD 6950 25600 Mpixels/sec
GeForce GTX 260 Core 216 16128 Mpixels/sec
Difference: 9472 (59%)

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

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GeForce GTX 260 Core 216

Amazon.com

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Radeon HD 6950

Amazon.com

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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.

Specifications

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Model GeForce GTX 260 Core 216 Radeon HD 6950
Manufacturer nVidia AMD
Year September 16, 2008 December 2010
Code Name G200 Cayman Pro
Memory 896 MB 1024 MB
Core Speed 576 MHz 800 MHz
Memory Speed 1998 MHz 5000 MHz
Power (Max TDP) 202 watts 200 watts
Bandwidth 111888 MB/sec 160000 MB/sec
Texel Rate 41472 Mtexels/sec 70400 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 216 1408
Texture Mapping Units 72 88
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: Bandwidth is the largest amount of data (counted in MB per second) that can be moved across the external memory interface within a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 260 Core 216

Amazon.com

Check prices at:

Radeon HD 6950

Amazon.com

Check prices at:

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.

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