GeForce GT 130 vs GeForce GTX 560 Ti 448

Intro

Compare those specifications to the GeForce GTX 560 Ti 448, which comes with clock speeds of 732 MHz on the GPU, and 900 MHz on the 1280 MB of GDDR5 RAM. It features 448 SPUs as well as 56 Texture Address Units and 40 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 130		75 Watts
GeForce GTX 560 Ti 448		210 Watts
	Difference: 135 Watts (180%)

Memory Bandwidth

In theory, the GeForce GTX 560 Ti 448 will be 1100% quicker than the GeForce GT 130 in general, due to its greater data rate. (explain)

GeForce GTX 560 Ti 448		144000 MB/sec
GeForce GT 130		12000 MB/sec
	Difference: 132000 (1100%)

Texel Rate

The GeForce GTX 560 Ti 448 should be a lot (more or less 242%) faster with regards to anisotropic filtering than the GeForce GT 130. (explain)

GeForce GTX 560 Ti 448		40992 Mtexels/sec
GeForce GT 130		12000 Mtexels/sec
	Difference: 28992 (242%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 560 Ti 448 is the winner, by far. (explain)

GeForce GTX 560 Ti 448		29280 Mpixels/sec
GeForce GT 130		8000 Mpixels/sec
	Difference: 21280 (266%)

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 largest amount of data (counted in megabytes per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.