GeForce 8800 GTS (G80) 320MB vs GeForce GT 440 3GB

Intro

Compare all of that to the GeForce GT 440 3GB, which has core speeds of 594 MHz on the GPU, and 900 MHz on the 3072 MB of GDDR3 memory. It features 144 SPUs as well as 24 Texture Address Units and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 3GB		56 Watts
GeForce 8800 GTS (G80) 320MB		143 Watts
	Difference: 87 Watts (155%)

Memory Bandwidth

The GeForce 8800 GTS (G80) 320MB, in theory, should perform quite a bit faster than the GeForce GT 440 3GB in general. (explain)

GeForce 8800 GTS (G80) 320MB		63360 MB/sec
GeForce GT 440 3GB		43200 MB/sec
	Difference: 20160 (47%)

Texel Rate

The GeForce 8800 GTS (G80) 320MB is a lot (more or less 73%) faster with regards to AF than the GeForce GT 440 3GB. (explain)

GeForce 8800 GTS (G80) 320MB		24624 Mtexels/sec
GeForce GT 440 3GB		14256 Mtexels/sec
	Difference: 10368 (73%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GT 440 3GB is superior to the GeForce 8800 GTS (G80) 320MB, by far. (explain)

GeForce GT 440 3GB		14256 Mpixels/sec
GeForce 8800 GTS (G80) 320MB		10260 Mpixels/sec
	Difference: 3996 (39%)

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 max amount of information (counted in MB per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the 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 number of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video 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 amount of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.