GeForce 940M vs GeForce 9600 GSO 512MB

Intro

Compare those specifications to the GeForce 9600 GSO 512MB, which has a clock speed of 650 MHz and a GDDR3 memory speed of 900 MHz. It also features a 256-bit memory bus, and uses a 65/55 nm design. It is comprised of 96 SPUs, 48 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the GeForce 9600 GSO 512MB should perform a lot faster than the GeForce 940M in general. (explain)

GeForce 9600 GSO 512MB		57600 MB/sec
GeForce 940M		16000 MB/sec
	Difference: 41600 (260%)

Texel Rate

The GeForce 9600 GSO 512MB should be a lot (about 21%) faster with regards to texture filtering than the GeForce 940M. (explain)

GeForce 9600 GSO 512MB		31200 Mtexels/sec
GeForce 940M		25728 Mtexels/sec
	Difference: 5472 (21%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 9600 GSO 512MB is superior to the GeForce 940M, by far. (explain)

GeForce 9600 GSO 512MB		10400 Mpixels/sec
GeForce 940M		8576 Mpixels/sec
	Difference: 1824 (21%)

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 data (counted in megabytes per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. In the case of DDR type memory, the result should 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 anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This is worked out by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the 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 most pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.