GeForce 9600 GSO 768MB vs GeForce GTX 965M

Intro

Compare all that to the GeForce GTX 965M, which comes with clock speeds of 944 MHz on the GPU, and 1000 MHz on the 2048 MB of GDDR5 memory. It features 1024 SPUs as well as 64 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M		60 Watts
GeForce 9600 GSO 768MB		84 Watts
	Difference: 24 Watts (40%)

Memory Bandwidth

In theory, the GeForce GTX 965M should be a lot faster than the GeForce 9600 GSO 768MB overall. (explain)

GeForce GTX 965M		64000 MB/sec
GeForce 9600 GSO 768MB		38400 MB/sec
	Difference: 25600 (67%)

Texel Rate

The GeForce GTX 965M should be much (approximately 129%) more effective at anisotropic filtering than the GeForce 9600 GSO 768MB. (explain)

GeForce GTX 965M		60416 Mtexels/sec
GeForce 9600 GSO 768MB		26400 Mtexels/sec
	Difference: 34016 (129%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 965M is the winner, and very much so. (explain)

GeForce GTX 965M		30208 Mpixels/sec
GeForce 9600 GSO 768MB		6600 Mpixels/sec
	Difference: 23608 (358%)

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 (measured in MB per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 once 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 AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is worked out 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 in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the clock 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 fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.