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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 set the core speed at 612 MHz. The GDDR3 memory is set to run at a speed of 1080 MHz on this particular card. It features 128 SPUs along with 64 Texture Address Units and 24 ROPs.

Compare all of that to the GeForce GTX 460 2GB, which has a clock frequency of 675 MHz and a GDDR5 memory speed of 900 MHz. It also features a 256-bit memory bus, and uses a 40 nm design. It features 336 SPUs, 56 TAUs, and 32 Raster Operation Units.

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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

In theory, the GeForce GTX 460 2GB is 11% faster than the GeForce 8800 Ultra in general, because of its higher 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 should be a bit (approximately 4%) faster with regards to 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 is quite a bit (approximately 47%) better at FSAA than the GeForce 8800 Ultra, and also able to handle higher screen resolutions without losing too much performance. (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 max amount of data (measured in MB per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the interface width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is calculated 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 applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max 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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