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GeForce 8800 GT 512MB vs GeForce GT 430

Intro

The GeForce 8800 GT 512MB has a core clock frequency of 600 MHz and a GDDR3 memory speed of 900 MHz. It also features a 256-bit bus, and uses a 65 nm design. It features 112 SPUs, 56 TAUs, and 16 ROPs.

Compare all that to the GeForce GT 430, which has core speeds of 700 MHz on the GPU, and 900 MHz on the 512 MB of GDDR3 memory. It features 96 SPUs along with 16 Texture Address Units and 4 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 60 Watts
GeForce 8800 GT 512MB 105 Watts
Difference: 45 Watts (75%)

Memory Bandwidth

Performance-wise, the GeForce 8800 GT 512MB should in theory be quite a bit superior to the GeForce GT 430 overall. (explain)

GeForce 8800 GT 512MB 57600 MB/sec
GeForce GT 430 28800 MB/sec
Difference: 28800 (100%)

Texel Rate

The GeForce 8800 GT 512MB will be quite a bit (about 200%) faster with regards to AF than the GeForce GT 430. (explain)

GeForce 8800 GT 512MB 33600 Mtexels/sec
GeForce GT 430 11200 Mtexels/sec
Difference: 22400 (200%)

Pixel Rate

The GeForce 8800 GT 512MB should be quite a bit (approximately 243%) faster with regards to AA than the GeForce GT 430, and should be able to handle higher resolutions more effectively. (explain)

GeForce 8800 GT 512MB 9600 Mpixels/sec
GeForce GT 430 2800 Mpixels/sec
Difference: 6800 (243%)

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 GT 512MB

Amazon.com

Check prices at:

GeForce GT 430

Amazon.com

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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 GT 512MB GeForce GT 430
Manufacturer nVidia nVidia
Year Oct 2007 October 2010
Code Name G92 GF108
Memory 512 MB 512 MB
Core Speed 600 MHz 700 MHz
Memory Speed 1800 MHz 1800 MHz
Power (Max TDP) 105 watts 60 watts
Bandwidth 57600 MB/sec 28800 MB/sec
Texel Rate 33600 Mtexels/sec 11200 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 2800 Mpixels/sec
Unified Shaders 112 96
Texture Mapping Units 56 16
Render Output Units 16 4
Bus Type GDDR3 GDDR3
Bus Width 256-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 585 million
Bus PCIe x16 2.0 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 (measured in megabytes per second) that can be transported over the external memory interface in a second. The number is worked out by multiplying the interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster 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 are applied in one second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce 8800 GT 512MB

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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