GeForce GT 440 3GB vs GeForce GTX 260 Core 216

Intro

Compare those specs to the GeForce GTX 260 Core 216, which features a clock speed of 576 MHz and a GDDR3 memory speed of 999 MHz. It also makes use of a 448-bit memory bus, and makes use of a 65 nm design. It features 216 SPUs, 72 TAUs, and 28 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 3GB		56 Watts
GeForce GTX 260 Core 216		202 Watts
	Difference: 146 Watts (261%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 260 Core 216 should theoretically be a lot better than the GeForce GT 440 3GB in general. (explain)

GeForce GTX 260 Core 216		111888 MB/sec
GeForce GT 440 3GB		43200 MB/sec
	Difference: 68688 (159%)

Texel Rate

The GeForce GTX 260 Core 216 will be much (more or less 191%) better at AF than the GeForce GT 440 3GB. (explain)

GeForce GTX 260 Core 216		41472 Mtexels/sec
GeForce GT 440 3GB		14256 Mtexels/sec
	Difference: 27216 (191%)

Pixel Rate

The GeForce GTX 260 Core 216 will be a bit (about 13%) better at full screen anti-aliasing than the GeForce GT 440 3GB, and will be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 260 Core 216		16128 Mpixels/sec
GeForce GT 440 3GB		14256 Mpixels/sec
	Difference: 1872 (13%)

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 transferred past the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen 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 amount of texture units by the core clock speed of the chip. The higher this number, the better the 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 the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.