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GeForce 8800 GS vs GeForce GTX 580

Intro

The GeForce 8800 GS has a GPU core speed of 550 MHz, and the 384 MB of GDDR3 memory runs at 800 MHz through a 192-bit bus. It also features 96 Stream Processors, 48 TAUs, and 12 ROPs.

Compare that to the GeForce GTX 580, which has a core clock frequency of 772 MHz and a GDDR5 memory speed of 1002 MHz. It also makes use of a 384-bit bus, and uses a 40 nm design. It is comprised of 512 SPUs, 64 TAUs, and 48 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GS 105 Watts
GeForce GTX 580 244 Watts
Difference: 139 Watts (132%)

Memory Bandwidth

The GeForce GTX 580, in theory, should perform much faster than the GeForce 8800 GS in general. (explain)

GeForce GTX 580 192384 MB/sec
GeForce 8800 GS 38400 MB/sec
Difference: 153984 (401%)

Texel Rate

The GeForce GTX 580 should be much (more or less 87%) better at AF than the GeForce 8800 GS. (explain)

GeForce GTX 580 49408 Mtexels/sec
GeForce 8800 GS 26400 Mtexels/sec
Difference: 23008 (87%)

Pixel Rate

The GeForce GTX 580 should be much (more or less 461%) faster with regards to full screen anti-aliasing than the GeForce 8800 GS, and should be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 580 37056 Mpixels/sec
GeForce 8800 GS 6600 Mpixels/sec
Difference: 30456 (461%)

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 8800 GS

Amazon.com

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GeForce GTX 580

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 8800 GS GeForce GTX 580
Manufacturer nVidia nVidia
Year Jan 2008 November 2010
Code Name G92 GF110
Memory 384 MB 1536 MB
Core Speed 550 MHz 772 MHz
Memory Speed 1600 MHz 4008 MHz
Power (Max TDP) 105 watts 244 watts
Bandwidth 38400 MB/sec 192384 MB/sec
Texel Rate 26400 Mtexels/sec 49408 Mtexels/sec
Pixel Rate 6600 Mpixels/sec 37056 Mpixels/sec
Unified Shaders 96 512
Texture Mapping Units 48 64
Render Output Units 12 48
Bus Type GDDR3 GDDR5
Bus Width 192-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 largest amount of data (in units of MB per second) that can be moved across the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied 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 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 that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce 8800 GS

Amazon.com

Check prices at:

GeForce GTX 580

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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