GeForce 8800 GT 512MB vs GeForce GT 430

Intro

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.

Display Graphs

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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

Specifications

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.