GeForce 9600 GSO 768MB vs Radeon HD 6570 (OEM) 2GB

Intro

Compare all that to the Radeon HD 6570 (OEM) 2GB, which comes with a clock frequency of 650 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It is made up of 480 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 2GB		50 Watts
GeForce 9600 GSO 768MB		84 Watts
	Difference: 34 Watts (68%)

Memory Bandwidth

In theory, the Radeon HD 6570 (OEM) 2GB should be 67% faster than the GeForce 9600 GSO 768MB overall, due to its higher data rate. (explain)

Radeon HD 6570 (OEM) 2GB		64000 MB/sec
GeForce 9600 GSO 768MB		38400 MB/sec
	Difference: 25600 (67%)

Texel Rate

The GeForce 9600 GSO 768MB should be much (more or less 69%) faster with regards to AF than the Radeon HD 6570 (OEM) 2GB. (explain)

GeForce 9600 GSO 768MB		26400 Mtexels/sec
Radeon HD 6570 (OEM) 2GB		15600 Mtexels/sec
	Difference: 10800 (69%)

Pixel Rate

The GeForce 9600 GSO 768MB will be much (approximately 27%) better at FSAA than the Radeon HD 6570 (OEM) 2GB, and will be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce 9600 GSO 768MB		6600 Mpixels/sec
Radeon HD 6570 (OEM) 2GB		5200 Mpixels/sec
	Difference: 1400 (27%)

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 max amount of information (counted in megabytes per second) that can be transferred across the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also 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 maximum fill rate.