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GeForce 8800 GT 512MB vs GeForce GTX 460 2GB

Intro

The GeForce 8800 GT 512MB features clock speeds of 600 MHz on the GPU, and 900 MHz on the 512 MB of GDDR3 RAM. It features 112 SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

Compare that to the GeForce GTX 460 2GB, which comes with a clock frequency of 675 MHz and a GDDR5 memory frequency of 900 MHz. It also makes use of a 256-bit memory bus, and uses a 40 nm design. It is comprised of 336 SPUs, 56 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GT 512MB 105 Watts
GeForce GTX 460 2GB 160 Watts
Difference: 55 Watts (52%)

Memory Bandwidth

In theory, the GeForce GTX 460 2GB is 100% faster than the GeForce 8800 GT 512MB overall, because of its higher bandwidth. (explain)

GeForce GTX 460 2GB 115200 MB/sec
GeForce 8800 GT 512MB 57600 MB/sec
Difference: 57600 (100%)

Texel Rate

The GeForce GTX 460 2GB is a small bit (about 13%) faster with regards to AF than the GeForce 8800 GT 512MB. (explain)

GeForce GTX 460 2GB 37800 Mtexels/sec
GeForce 8800 GT 512MB 33600 Mtexels/sec
Difference: 4200 (13%)

Pixel Rate

The GeForce GTX 460 2GB should be much (approximately 125%) faster with regards to anti-aliasing than the GeForce 8800 GT 512MB, and also capable of handling higher resolutions better. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
GeForce 8800 GT 512MB 9600 Mpixels/sec
Difference: 12000 (125%)

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 GT 512MB

Amazon.com

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GeForce GTX 460 2GB

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 8800 GT 512MB GeForce GTX 460 2GB
Manufacturer nVidia nVidia
Year Oct 2007 July 2010
Code Name G92 GF104
Memory 512 MB 2048 MB
Core Speed 600 MHz 675 MHz
Memory Speed 1800 MHz 3600 MHz
Power (Max TDP) 105 watts 160 watts
Bandwidth 57600 MB/sec 115200 MB/sec
Texel Rate 33600 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 112 336
Texture Mapping Units 56 56
Render Output Units 16 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit 256-bit
Fab Process 65 nm 40 nm
Transistors 754 million 1950 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 information (counted in megabytes per second) that can be transferred over the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum 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 higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core speed of the card. 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 fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce 8800 GT 512MB

Amazon.com

Check prices at:

GeForce GTX 460 2GB

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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