GeForce 9600 GSO 768MB vs GeForce GTX 570

Intro

Compare those specifications to the GeForce GTX 570, which has a clock frequency of 732 MHz and a GDDR5 memory frequency of 950 MHz. It also makes use of a 320-bit bus, and makes use of a 40 nm design. It is comprised of 480 SPUs, 60 TAUs, and 40 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GSO 768MB		84 Watts
GeForce GTX 570		219 Watts
	Difference: 135 Watts (161%)

Memory Bandwidth

In theory, the GeForce GTX 570 should be 296% quicker than the GeForce 9600 GSO 768MB overall, due to its greater bandwidth. (explain)

GeForce GTX 570		152000 MB/sec
GeForce 9600 GSO 768MB		38400 MB/sec
	Difference: 113600 (296%)

Texel Rate

The GeForce GTX 570 should be quite a bit (approximately 66%) more effective at texture filtering than the GeForce 9600 GSO 768MB. (explain)

GeForce GTX 570		43920 Mtexels/sec
GeForce 9600 GSO 768MB		26400 Mtexels/sec
	Difference: 17520 (66%)

Pixel Rate

The GeForce GTX 570 is a lot (more or less 344%) faster with regards to AA than the GeForce 9600 GSO 768MB, and will be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 570		29280 Mpixels/sec
GeForce 9600 GSO 768MB		6600 Mpixels/sec
	Difference: 22680 (344%)

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 (measured in megabytes per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the bus width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 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 number of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.