GeForce 9600 GSO 768MB vs GeForce GTS 450 1GB

Intro

Compare those specs to the GeForce GTS 450 1GB, which features a GPU core clock speed of 783 MHz, and 1024 MB of GDDR5 memory set to run at 902 MHz through a 128-bit bus. It also is made up of 192 Stream Processors, 32 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GSO 768MB		84 Watts
GeForce GTS 450 1GB		106 Watts
	Difference: 22 Watts (26%)

Memory Bandwidth

Performance-wise, the GeForce GTS 450 1GB should theoretically be quite a bit superior to the GeForce 9600 GSO 768MB overall. (explain)

GeForce GTS 450 1GB		57728 MB/sec
GeForce 9600 GSO 768MB		38400 MB/sec
	Difference: 19328 (50%)

Texel Rate

The GeForce 9600 GSO 768MB will be a small bit (approximately 5%) better at AF than the GeForce GTS 450 1GB. (explain)

GeForce 9600 GSO 768MB		26400 Mtexels/sec
GeForce GTS 450 1GB		25056 Mtexels/sec
	Difference: 1344 (5%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTS 450 1GB is the winner, and very much so. (explain)

GeForce GTS 450 1GB		12528 Mpixels/sec
GeForce 9600 GSO 768MB		6600 Mpixels/sec
	Difference: 5928 (90%)

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 largest amount of information (counted in MB per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, 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 are applied in one second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core 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 output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.