GeForce GT 440 3GB vs GeForce GTX 960

Intro

Compare those specs to the GeForce GTX 960, which features a core clock speed of 1127 MHz and a GDDR5 memory speed of 1750 MHz. It also features a 128-bit memory bus, and uses a 28 nm design. It is made up of 1024 SPUs, 64 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 3GB		56 Watts
GeForce GTX 960		120 Watts
	Difference: 64 Watts (114%)

Memory Bandwidth

The GeForce GTX 960 should theoretically be much faster than the GeForce GT 440 3GB overall. (explain)

GeForce GTX 960		112000 MB/sec
GeForce GT 440 3GB		43200 MB/sec
	Difference: 68800 (159%)

Texel Rate

The GeForce GTX 960 will be quite a bit (more or less 406%) faster with regards to texture filtering than the GeForce GT 440 3GB. (explain)

GeForce GTX 960		72128 Mtexels/sec
GeForce GT 440 3GB		14256 Mtexels/sec
	Difference: 57872 (406%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 960 is superior to the GeForce GT 440 3GB, by a large margin. (explain)

GeForce GTX 960		36064 Mpixels/sec
GeForce GT 440 3GB		14256 Mpixels/sec
	Difference: 21808 (153%)

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 (in units of megabytes per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write 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 outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.