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GeForce 9800 GT 1GB vs GeForce GTX 580 3GB

Intro

The GeForce 9800 GT 1GB makes use of a 65/55 nm design. nVidia has clocked the core speed at 600 MHz. The GDDR3 RAM works at a speed of 900 MHz on this specific card. It features 112 SPUs as well as 56 Texture Address Units and 16 Rasterization Operator Units.

Compare those specifications to the GeForce GTX 580 3GB, which has a GPU core clock speed of 772 MHz, and 3072 MB of GDDR5 RAM running at 1002 MHz through a 384-bit bus. It also is made up of 512 SPUs, 64 TAUs, and 48 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9800 GT 1GB 105 Watts
GeForce GTX 580 3GB 244 Watts
Difference: 139 Watts (132%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 580 3GB should perform much faster than the GeForce 9800 GT 1GB overall. (explain)

GeForce GTX 580 3GB 192384 MB/sec
GeForce 9800 GT 1GB 57600 MB/sec
Difference: 134784 (234%)

Texel Rate

The GeForce GTX 580 3GB will be quite a bit (approximately 47%) more effective at texture filtering than the GeForce 9800 GT 1GB. (explain)

GeForce GTX 580 3GB 49408 Mtexels/sec
GeForce 9800 GT 1GB 33600 Mtexels/sec
Difference: 15808 (47%)

Pixel Rate

The GeForce GTX 580 3GB will be quite a bit (about 286%) better at AA than the GeForce 9800 GT 1GB, and also should be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
GeForce 9800 GT 1GB 9600 Mpixels/sec
Difference: 27456 (286%)

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 GT 1GB

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 GT 1GB GeForce GTX 580 3GB
Manufacturer nVidia nVidia
Year July 2008 November 2010
Code Name G92a/b GF110
Memory 1024 MB 3072 MB
Core Speed 600 MHz 772 MHz
Memory Speed 1800 MHz 4008 MHz
Power (Max TDP) 105 watts 244 watts
Bandwidth 57600 MB/sec 192384 MB/sec
Texel Rate 33600 Mtexels/sec 49408 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 37056 Mpixels/sec
Unified Shaders 112 512
Texture Mapping Units 56 64
Render Output Units 16 48
Bus Type GDDR3 GDDR5
Bus Width 256-bit 384-bit
Fab Process 65/55 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 max amount of data (measured in MB per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one 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 better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called 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 of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 9800 GT 1GB

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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