GeForce 9600 GSO 768MB vs Radeon HD 7950

Intro

Compare that to the Radeon HD 7950, which comes with a GPU core clock speed of 800 MHz, and 1536 MB of GDDR5 memory running at 1250 MHz through a 384-bit bus. It also features 1792 SPUs, 112 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GSO 768MB		84 Watts
Radeon HD 7950		200 Watts
	Difference: 116 Watts (138%)

Memory Bandwidth

The Radeon HD 7950 should theoretically be quite a bit faster than the GeForce 9600 GSO 768MB in general. (explain)

Radeon HD 7950		240000 MB/sec
GeForce 9600 GSO 768MB		38400 MB/sec
	Difference: 201600 (525%)

Texel Rate

The Radeon HD 7950 should be quite a bit (approximately 239%) better at AF than the GeForce 9600 GSO 768MB. (explain)

Radeon HD 7950		89600 Mtexels/sec
GeForce 9600 GSO 768MB		26400 Mtexels/sec
	Difference: 63200 (239%)

Pixel Rate

The Radeon HD 7950 is a lot (approximately 288%) more effective at AA than the GeForce 9600 GSO 768MB, and capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon HD 7950		25600 Mpixels/sec
GeForce 9600 GSO 768MB		6600 Mpixels/sec
	Difference: 19000 (288%)

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: Bandwidth is the largest amount of data (counted in MB per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core clock speed. 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 lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.