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GeForce 9800 GTX vs GeForce GTX 580 3GB

Intro

The GeForce 9800 GTX has a clock frequency of 675 MHz and a GDDR3 memory frequency of 1100 MHz. It also uses a 256-bit bus, and makes use of a 65 nm design. It is made up of 128 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

Compare all of that to the GeForce GTX 580 3GB, which comes with a core clock frequency of 772 MHz and a GDDR5 memory speed of 1002 MHz. It also features a 384-bit memory bus, and makes use of a 40 nm design. It features 512 SPUs, 64 TAUs, and 48 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9800 GTX 140 Watts
GeForce GTX 580 3GB 244 Watts
Difference: 104 Watts (74%)

Memory Bandwidth

Performance-wise, the GeForce GTX 580 3GB should theoretically be much better than the GeForce 9800 GTX in general. (explain)

GeForce GTX 580 3GB 192384 MB/sec
GeForce 9800 GTX 70400 MB/sec
Difference: 121984 (173%)

Texel Rate

The GeForce GTX 580 3GB will be a little bit (more or less 14%) more effective at anisotropic filtering than the GeForce 9800 GTX. (explain)

GeForce GTX 580 3GB 49408 Mtexels/sec
GeForce 9800 GTX 43200 Mtexels/sec
Difference: 6208 (14%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 580 3GB is the winner, by far. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
GeForce 9800 GTX 10800 Mpixels/sec
Difference: 26256 (243%)

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 9800 GTX

Amazon.com

Check prices at:

GeForce GTX 580 3GB

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.

Specifications

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Model GeForce 9800 GTX GeForce GTX 580 3GB
Manufacturer nVidia nVidia
Year April 2008 November 2010
Code Name G92 GF110
Memory 512 MB 3072 MB
Core Speed 675 MHz 772 MHz
Memory Speed 2200 MHz 4008 MHz
Power (Max TDP) 140 watts 244 watts
Bandwidth 70400 MB/sec 192384 MB/sec
Texel Rate 43200 Mtexels/sec 49408 Mtexels/sec
Pixel Rate 10800 Mpixels/sec 37056 Mpixels/sec
Unified Shaders 128 512
Texture Mapping Units 64 64
Render Output Units 16 48
Bus Type GDDR3 GDDR5
Bus Width 256-bit 384-bit
Fab Process 65 nm 40 nm
Transistors 754 million 3000 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in megabytes per second) that can be transported across the external memory interface in a second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 amount of texture map elements (texels) that are applied per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the video 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 maximum number of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce 9800 GTX

Amazon.com

Check prices at:

GeForce GTX 580 3GB

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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