GeForce 940M vs GeForce GT 440 1.5GB

Intro

Compare all of that to the GeForce GT 440 1.5GB, which has core speeds of 594 MHz on the GPU, and 900 MHz on the 1536 MB of GDDR3 memory. It features 144 SPUs along with 24 TAUs and 24 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce 940M		1740 points
GeForce GT 440 1.5GB		840 points
	Difference: 900 (107%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GT 440 1.5GB is 170% faster than the GeForce 940M in general, due to its higher bandwidth. (explain)

GeForce GT 440 1.5GB		43200 MB/sec
GeForce 940M		16000 MB/sec
	Difference: 27200 (170%)

Texel Rate

The GeForce 940M should be much (more or less 80%) better at anisotropic filtering than the GeForce GT 440 1.5GB. (explain)

GeForce 940M		25728 Mtexels/sec
GeForce GT 440 1.5GB		14256 Mtexels/sec
	Difference: 11472 (80%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GT 440 1.5GB is superior to the GeForce 940M, by far. (explain)

GeForce GT 440 1.5GB		14256 Mpixels/sec
GeForce 940M		8576 Mpixels/sec
	Difference: 5680 (66%)

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 (in units of megabytes per second) that can be moved past the external memory interface within a second. It's worked out by multiplying the interface width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.