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GeForce 8800 Ultra vs GeForce GTX 460 2GB

Intro

The GeForce 8800 Ultra makes use of a 90 nm design. nVidia has clocked the core frequency at 612 MHz. The GDDR3 RAM is set to run at a speed of 1080 MHz on this particular card. It features 128 SPUs along with 64 TAUs and 24 Rasterization Operator Units.

Compare those specifications to the GeForce GTX 460 2GB, which features a GPU core clock speed of 675 MHz, and 2048 MB of GDDR5 RAM running at 900 MHz through a 256-bit bus. It also is made up of 336 SPUs, 56 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 2GB 160 Watts
GeForce 8800 Ultra 171 Watts
Difference: 11 Watts (7%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 2GB should be 11% quicker than the GeForce 8800 Ultra overall, due to its greater data rate. (explain)

GeForce GTX 460 2GB 115200 MB/sec
GeForce 8800 Ultra 103680 MB/sec
Difference: 11520 (11%)

Texel Rate

The GeForce 8800 Ultra is a small bit (more or less 4%) better at anisotropic filtering than the GeForce GTX 460 2GB. (explain)

GeForce 8800 Ultra 39168 Mtexels/sec
GeForce GTX 460 2GB 37800 Mtexels/sec
Difference: 1368 (4%)

Pixel Rate

The GeForce GTX 460 2GB should be a lot (approximately 47%) better at FSAA than the GeForce 8800 Ultra, and capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
GeForce 8800 Ultra 14688 Mpixels/sec
Difference: 6912 (47%)

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 Ultra

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.

Specifications

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Model GeForce 8800 Ultra GeForce GTX 460 2GB
Manufacturer nVidia nVidia
Year May 2007 July 2010
Code Name G80 GF104
Memory 768 MB 2048 MB
Core Speed 612 MHz 675 MHz
Memory Speed 2160 MHz 3600 MHz
Power (Max TDP) 171 watts 160 watts
Bandwidth 103680 MB/sec 115200 MB/sec
Texel Rate 39168 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 14688 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 128 336
Texture Mapping Units 64 56
Render Output Units 24 32
Bus Type GDDR3 GDDR5
Bus Width 384-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 information (in units of MB per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the 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 amount of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the graphics 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 maximum number of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. 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 reach the maximum fill rate.

Display Prices

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GeForce 8800 Ultra

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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