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GeForce 8800 GTX vs GeForce GTX 460

Intro

The GeForce 8800 GTX makes use of a 90 nm design. nVidia has set the core frequency at 575 MHz. The GDDR3 RAM is set to run at a speed of 900 MHz on this specific card. It features 128 SPUs as well as 64 TAUs and 24 Rasterization Operator Units.

Compare those specs to the GeForce GTX 460, which uses a 40 nm design. nVidia has set the core speed at 675 MHz. The GDDR5 memory works at a speed of 900 MHz on this specific model. It features 336 SPUs along with 56 Texture Address Units and 24 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 150 Watts
GeForce 8800 GTX 155 Watts
Difference: 5 Watts (3%)

Memory Bandwidth

Both cards have exactly the same bandwidth, so in theory they should perform exactly the same. (explain)

Texel Rate

The GeForce GTX 460 is just a bit (approximately 3%) better at anisotropic filtering than the GeForce 8800 GTX. (explain)

GeForce GTX 460 37800 Mtexels/sec
GeForce 8800 GTX 36800 Mtexels/sec
Difference: 1000 (3%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 460 is superior to the GeForce 8800 GTX, but only just. (explain)

GeForce GTX 460 16200 Mpixels/sec
GeForce 8800 GTX 13800 Mpixels/sec
Difference: 2400 (17%)

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 GTX

Amazon.com

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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.

Specifications

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Model GeForce 8800 GTX GeForce GTX 460
Manufacturer nVidia nVidia
Year Nov 2006 July 2010
Code Name G80 GF104
Memory 768 MB 768 MB
Core Speed 575 MHz 675 MHz
Memory Speed 1800 MHz 3600 MHz
Power (Max TDP) 155 watts 150 watts
Bandwidth 86400 MB/sec 86400 MB/sec
Texel Rate 36800 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 16200 Mpixels/sec
Unified Shaders 128 336
Texture Mapping Units 64 56
Render Output Units 24 24
Bus Type GDDR3 GDDR5
Bus Width 384-bit 192-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 megabytes per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total amount of texture units 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 processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce 8800 GTX

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.

Comments

One Response to “GeForce 8800 GTX vs GeForce GTX 460”
""" says:

good compare thank You

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