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GeForce 8800 Ultra vs GeForce GTX 460

Intro

The GeForce 8800 Ultra has a clock speed of 612 MHz and a GDDR3 memory speed of 1080 MHz. It also makes use of a 384-bit bus, and uses a 90 nm design. It features 128 SPUs, 64 TAUs, and 24 Raster Operation Units.

Compare those specifications to the GeForce GTX 460, which has a clock frequency of 675 MHz and a GDDR5 memory speed of 900 MHz. It also uses a 192-bit bus, and uses a 40 nm design. It features 336 SPUs, 56 Texture Address Units, and 24 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 150 Watts
GeForce 8800 Ultra 171 Watts
Difference: 21 Watts (14%)

Memory Bandwidth

As far as performance goes, the GeForce 8800 Ultra should in theory be a small bit superior to the GeForce GTX 460 overall. (explain)

GeForce 8800 Ultra 103680 MB/sec
GeForce GTX 460 86400 MB/sec
Difference: 17280 (20%)

Texel Rate

The GeForce 8800 Ultra is a little bit (more or less 4%) better at AF than the GeForce GTX 460. (explain)

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

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 460 is the winner, but it probably won't make a huge difference. (explain)

GeForce GTX 460 16200 Mpixels/sec
GeForce 8800 Ultra 14688 Mpixels/sec
Difference: 1512 (10%)

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

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
Manufacturer nVidia nVidia
Year May 2007 July 2010
Code Name G80 GF104
Memory 768 MB 768 MB
Core Speed 612 MHz 675 MHz
Memory Speed 2160 MHz 3600 MHz
Power (Max TDP) 171 watts 150 watts
Bandwidth 103680 MB/sec 86400 MB/sec
Texel Rate 39168 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 14688 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: Bandwidth is the maximum amount of data (counted in MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 per second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics 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 most pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce 8800 Ultra

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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