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GeForce 8800 GTS (G80) 640MB vs GeForce GTX 460 SE

Intro

The GeForce 8800 GTS (G80) 640MB comes with a GPU core clock speed of 513 MHz, and the 640 MB of GDDR3 RAM runs at 792 MHz through a 320-bit bus. It also is made up of 96 SPUs, 48 TAUs, and 20 ROPs.

Compare that to the GeForce GTX 460 SE, which features GPU clock speed of 650 MHz, and 1024 MB of GDDR5 memory running at 850 MHz through a 256-bit bus. It also features 288 SPUs, 48 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G80) 640MB 143 Watts
GeForce GTX 460 SE 150 Watts
Difference: 7 Watts (5%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 460 SE should theoretically be a lot better than the GeForce 8800 GTS (G80) 640MB overall. (explain)

GeForce GTX 460 SE 108800 MB/sec
GeForce 8800 GTS (G80) 640MB 63360 MB/sec
Difference: 45440 (72%)

Texel Rate

The GeForce GTX 460 SE will be much (approximately 27%) better at AF than the GeForce 8800 GTS (G80) 640MB. (explain)

GeForce GTX 460 SE 31200 Mtexels/sec
GeForce 8800 GTS (G80) 640MB 24624 Mtexels/sec
Difference: 6576 (27%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 460 SE is the winner, by far. (explain)

GeForce GTX 460 SE 20800 Mpixels/sec
GeForce 8800 GTS (G80) 640MB 10260 Mpixels/sec
Difference: 10540 (103%)

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 GTS (G80) 640MB

Amazon.com

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GeForce GTX 460 SE

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

Display Specifications

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Model GeForce 8800 GTS (G80) 640MB GeForce GTX 460 SE
Manufacturer nVidia nVidia
Year Nov 2006 (640) November 2010
Code Name G80 GF104
Memory 640 MB 1024 MB
Core Speed 513 MHz 650 MHz
Memory Speed 1584 MHz 3400 MHz
Power (Max TDP) 143 watts 150 watts
Bandwidth 63360 MB/sec 108800 MB/sec
Texel Rate 24624 Mtexels/sec 31200 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 20800 Mpixels/sec
Unified Shaders 96 288
Texture Mapping Units 48 48
Render Output Units 20 32
Bus Type GDDR3 GDDR5
Bus Width 320-bit 256-bit
Fab Process 90 nm 40 nm
Transistors 681 million 1950 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transported across the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher 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 figure is worked out by multiplying the total amount of texture units of the card by the core clock 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 applied in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce 8800 GTS (G80) 640MB

Amazon.com

Check prices at:

GeForce GTX 460 SE

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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