GeForce 9600 GT 512MB vs GeForce GTX 750

Intro

Compare all that to the GeForce GTX 750, which makes use of a 28 nm design. nVidia has clocked the core frequency at 1020 MHz. The GDDR5 memory works at a speed of 1250 MHz on this model. It features 512 SPUs along with 32 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750		55 Watts
GeForce 9600 GT 512MB		95 Watts
	Difference: 40 Watts (73%)

Memory Bandwidth

In theory, the GeForce GTX 750 should be 39% faster than the GeForce 9600 GT 512MB in general, due to its higher data rate. (explain)

GeForce GTX 750		80000 MB/sec
GeForce 9600 GT 512MB		57600 MB/sec
	Difference: 22400 (39%)

Texel Rate

The GeForce GTX 750 is much (about 57%) better at texture filtering than the GeForce 9600 GT 512MB. (explain)

GeForce GTX 750		32640 Mtexels/sec
GeForce 9600 GT 512MB		20800 Mtexels/sec
	Difference: 11840 (57%)

Pixel Rate

The GeForce GTX 750 will be a lot (about 57%) faster with regards to anti-aliasing than the GeForce 9600 GT 512MB, and capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 750		16320 Mpixels/sec
GeForce 9600 GT 512MB		10400 Mpixels/sec
	Difference: 5920 (57%)

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 (measured in megabytes per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, 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 texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics 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 number of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.