GeForce GT 430 1GB vs GeForce GTX 560

Intro

Compare those specifications to the GeForce GTX 560, which features a GPU core clock speed of 810 MHz, and 1024 MB of GDDR5 RAM running at 1001 MHz through a 256-bit bus. It also is made up of 336 SPUs, 56 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 1GB		60 Watts
GeForce GTX 560		150 Watts
	Difference: 90 Watts (150%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 is 345% faster than the GeForce GT 430 1GB overall, due to its higher bandwidth. (explain)

GeForce GTX 560		128128 MB/sec
GeForce GT 430 1GB		28800 MB/sec
	Difference: 99328 (345%)

Texel Rate

The GeForce GTX 560 will be a lot (approximately 305%) faster with regards to anisotropic filtering than the GeForce GT 430 1GB. (explain)

GeForce GTX 560		45360 Mtexels/sec
GeForce GT 430 1GB		11200 Mtexels/sec
	Difference: 34160 (305%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 560 is a better choice, by a large margin. (explain)

GeForce GTX 560		25920 Mpixels/sec
GeForce GT 430 1GB		2800 Mpixels/sec
	Difference: 23120 (826%)

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 max amount of information (counted in megabytes per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 amount of texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total texture units 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 per second.

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