GeForce GT 430 1GB vs GeForce GTX 260 216SP 55 nm

Intro

Compare all of that to the GeForce GTX 260 216SP 55 nm, which comes with core speeds of 576 MHz on the GPU, and 999 MHz on the 896 MB of GDDR3 RAM. It features 216 SPUs along with 72 Texture Address Units and 28 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 1GB		60 Watts
GeForce GTX 260 216SP 55 nm		171 Watts
	Difference: 111 Watts (185%)

Memory Bandwidth

Performance-wise, the GeForce GTX 260 216SP 55 nm should theoretically be a lot superior to the GeForce GT 430 1GB in general. (explain)

GeForce GTX 260 216SP 55 nm		111888 MB/sec
GeForce GT 430 1GB		28800 MB/sec
	Difference: 83088 (289%)

Texel Rate

The GeForce GTX 260 216SP 55 nm should be much (approximately 270%) better at AF than the GeForce GT 430 1GB. (explain)

GeForce GTX 260 216SP 55 nm		41472 Mtexels/sec
GeForce GT 430 1GB		11200 Mtexels/sec
	Difference: 30272 (270%)

Pixel Rate

The GeForce GTX 260 216SP 55 nm is a lot (about 476%) more effective at anti-aliasing than the GeForce GT 430 1GB, and also should be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 260 216SP 55 nm		16128 Mpixels/sec
GeForce GT 430 1GB		2800 Mpixels/sec
	Difference: 13328 (476%)

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 moved over the external memory interface in one second. The number is worked out by multiplying the card's interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.