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GeForce 9800 GTX vs GeForce GTX 580 3GB

Intro

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

Compare all of that to the GeForce GTX 580 3GB, which has core clock speeds of 772 MHz on the GPU, and 1002 MHz on the 3072 MB of GDDR5 memory. It features 512 SPUs along with 64 Texture Address Units 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

In theory, the GeForce GTX 580 3GB will be 173% faster than the GeForce 9800 GTX overall, due to its greater bandwidth. (explain)

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

Texel Rate

The GeForce GTX 580 3GB should be a bit (approximately 14%) more effective at texture 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

The GeForce GTX 580 3GB is a lot (approximately 243%) faster with regards to AA than the GeForce 9800 GTX, and also should be able to handle higher screen resolutions more effectively. (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

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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: Bandwidth is the max amount of data (in units of MB per second) that can be moved past the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum 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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