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GeForce 8800 GT 256MB vs GeForce GTX 460

Intro

The GeForce 8800 GT 256MB features a GPU core clock speed of 600 MHz, and the 256 MB of GDDR3 memory is set to run at 700 MHz through a 256-bit bus. It also is comprised of 112 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Compare all of that to the GeForce GTX 460, which features GPU core speed of 675 MHz, and 768 MB of GDDR5 memory running at 900 MHz through a 192-bit bus. It also is comprised of 336 Stream Processors, 56 TAUs, and 24 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GT 256MB 105 Watts
GeForce GTX 460 150 Watts
Difference: 45 Watts (43%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 460 should theoretically be quite a bit better than the GeForce 8800 GT 256MB in general. (explain)

GeForce GTX 460 86400 MB/sec
GeForce 8800 GT 256MB 44800 MB/sec
Difference: 41600 (93%)

Texel Rate

The GeForce GTX 460 will be a little bit (approximately 13%) more effective at AF than the GeForce 8800 GT 256MB. (explain)

GeForce GTX 460 37800 Mtexels/sec
GeForce 8800 GT 256MB 33600 Mtexels/sec
Difference: 4200 (13%)

Pixel Rate

The GeForce GTX 460 should be much (more or less 69%) faster with regards to FSAA than the GeForce 8800 GT 256MB, and capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 460 16200 Mpixels/sec
GeForce 8800 GT 256MB 9600 Mpixels/sec
Difference: 6600 (69%)

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 256MB

Amazon.com

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GeForce GTX 460

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 GT 256MB GeForce GTX 460
Manufacturer nVidia nVidia
Year Dec 2007 July 2010
Code Name G92 GF104
Memory 256 MB 768 MB
Core Speed 600 MHz 675 MHz
Memory Speed 1400 MHz 3600 MHz
Power (Max TDP) 105 watts 150 watts
Bandwidth 44800 MB/sec 86400 MB/sec
Texel Rate 33600 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 16200 Mpixels/sec
Unified Shaders 112 336
Texture Mapping Units 56 56
Render Output Units 16 24
Bus Type GDDR3 GDDR5
Bus Width 256-bit 192-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: Bandwidth is the max amount of data (in units of megabytes per second) that can be transferred over the external memory interface in a second. It is calculated by multiplying the bus width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka 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 of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce 8800 GT 256MB

Amazon.com

Check prices at:

GeForce GTX 460

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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