GeForce GT 220 GDDR3 vs GeForce GT 430 1GB

Intro

Compare those specifications to the GeForce GT 430 1GB, which uses a 40 nm design. nVidia has set the core frequency at 700 MHz. The GDDR3 RAM works at a speed of 900 MHz on this specific model. It features 96 SPUs along with 16 TAUs and 4 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3		58 Watts
GeForce GT 430 1GB		60 Watts
	Difference: 2 Watts (3%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 220 GDDR3 should be a bit faster than the GeForce GT 430 1GB overall. (explain)

GeForce GT 220 GDDR3		32384 MB/sec
GeForce GT 430 1GB		28800 MB/sec
	Difference: 3584 (12%)

Texel Rate

The GeForce GT 430 1GB will be just a bit (approximately 12%) better at texture filtering than the GeForce GT 220 GDDR3. (explain)

GeForce GT 430 1GB		11200 Mtexels/sec
GeForce GT 220 GDDR3		10000 Mtexels/sec
	Difference: 1200 (12%)

Pixel Rate

The GeForce GT 220 GDDR3 will be quite a bit (more or less 79%) faster with regards to anti-aliasing than the GeForce GT 430 1GB, and also should be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GT 220 GDDR3		5000 Mpixels/sec
GeForce GT 430 1GB		2800 Mpixels/sec
	Difference: 2200 (79%)

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: Bandwidth is the maximum amount of information (measured in MB per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. In the case of DDR 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 anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core speed of the card. 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, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.