GeForce 9600 GSO ASUS 512 vs GeForce GTX 850M

Intro

Compare all of that to the GeForce GTX 850M, which makes use of a 28 nm design. nVidia has set the core frequency at 876 MHz. The DDR3 RAM works at a speed of 1000 MHz on this particular card. It features 640 SPUs along with 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M		40 Watts
GeForce 9600 GSO ASUS 512		84 Watts
	Difference: 44 Watts (110%)

Memory Bandwidth

Performance-wise, the GeForce GTX 850M should in theory be a lot superior to the GeForce 9600 GSO ASUS 512 in general. (explain)

GeForce GTX 850M		32000 MB/sec
GeForce 9600 GSO ASUS 512		16000 MB/sec
	Difference: 16000 (100%)

Texel Rate

The GeForce GTX 850M is much (approximately 33%) better at anisotropic filtering than the GeForce 9600 GSO ASUS 512. (explain)

GeForce GTX 850M		35040 Mtexels/sec
GeForce 9600 GSO ASUS 512		26400 Mtexels/sec
	Difference: 8640 (33%)

Pixel Rate

The GeForce GTX 850M should be quite a bit (approximately 112%) more effective at anti-aliasing than the GeForce 9600 GSO ASUS 512, 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 ASUS 512		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 data (in units of MB per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better 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 number of texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total texture units 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 processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.