GeForce 9600 GSO 1.5GB vs GeForce GTX 850M

Intro

Compare those specs to the GeForce GTX 850M, which makes use of a 28 nm design. nVidia has set the core speed at 876 MHz. The DDR3 RAM runs at a frequency of 1000 MHz on this card. It features 640 SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M		40 Watts
GeForce 9600 GSO 1.5GB		84 Watts
	Difference: 44 Watts (110%)

Memory Bandwidth

The GeForce 9600 GSO 1.5GB should in theory be a bit faster than the GeForce GTX 850M overall. (explain)

GeForce 9600 GSO 1.5GB		38400 MB/sec
GeForce GTX 850M		32000 MB/sec
	Difference: 6400 (20%)

Texel Rate

The GeForce GTX 850M should be quite a bit (about 33%) faster with regards to texture filtering than the GeForce 9600 GSO 1.5GB. (explain)

GeForce GTX 850M		35040 Mtexels/sec
GeForce 9600 GSO 1.5GB		26400 Mtexels/sec
	Difference: 8640 (33%)

Pixel Rate

The GeForce GTX 850M is much (more or less 112%) faster with regards to AA than the GeForce 9600 GSO 1.5GB, and also will be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 850M		14016 Mpixels/sec
GeForce 9600 GSO 1.5GB		6600 Mpixels/sec
	Difference: 7416 (112%)

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 maximum amount of information (in units of MB per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.