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GeForce 8800 Ultra vs GeForce GT 430

Intro

The GeForce 8800 Ultra has clock speeds of 612 MHz on the GPU, and 1080 MHz on the 768 MB of GDDR3 memory. It features 128 SPUs as well as 64 Texture Address Units and 24 ROPs.

Compare all that to the GeForce GT 430, which features a GPU core clock speed of 700 MHz, and 512 MB of GDDR3 memory set to run at 900 MHz through a 128-bit bus. It also is comprised of 96 Stream Processors, 16 Texture Address Units, and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 60 Watts
GeForce 8800 Ultra 171 Watts
Difference: 111 Watts (185%)

Memory Bandwidth

The GeForce 8800 Ultra should in theory perform a lot faster than the GeForce GT 430 overall. (explain)

GeForce 8800 Ultra 103680 MB/sec
GeForce GT 430 28800 MB/sec
Difference: 74880 (260%)

Texel Rate

The GeForce 8800 Ultra will be a lot (approximately 250%) better at texture filtering than the GeForce GT 430. (explain)

GeForce 8800 Ultra 39168 Mtexels/sec
GeForce GT 430 11200 Mtexels/sec
Difference: 27968 (250%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce 8800 Ultra is the winner, by a large margin. (explain)

GeForce 8800 Ultra 14688 Mpixels/sec
GeForce GT 430 2800 Mpixels/sec
Difference: 11888 (425%)

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 GT 430

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 GT 430
Manufacturer nVidia nVidia
Year May 2007 October 2010
Code Name G80 GF108
Memory 768 MB 512 MB
Core Speed 612 MHz 700 MHz
Memory Speed 2160 MHz 1800 MHz
Power (Max TDP) 171 watts 60 watts
Bandwidth 103680 MB/sec 28800 MB/sec
Texel Rate 39168 Mtexels/sec 11200 Mtexels/sec
Pixel Rate 14688 Mpixels/sec 2800 Mpixels/sec
Unified Shaders 128 96
Texture Mapping Units 64 16
Render Output Units 24 4
Bus Type GDDR3 GDDR3
Bus Width 384-bit 128-bit
Fab Process 90 nm 40 nm
Transistors 681 million 585 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 largest amount of data (counted in MB per second) that can be moved past the external memory interface in one second. It is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel 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 GT 430

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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