GeForce 9600 GT 512MB vs Radeon HD 5670

Intro

Compare that to the Radeon HD 5670, which features GPU clock speed of 775 MHz, and 1024 MB of GDDR5 RAM running at 1000 MHz through a 128-bit bus. It also is comprised of 400(80x5) SPUs, 20 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 5670		61 Watts
GeForce 9600 GT 512MB		95 Watts
	Difference: 34 Watts (56%)

Memory Bandwidth

Performance-wise, the Radeon HD 5670 should in theory be a little bit superior to the GeForce 9600 GT 512MB in general. (explain)

Radeon HD 5670		64000 MB/sec
GeForce 9600 GT 512MB		57600 MB/sec
	Difference: 6400 (11%)

Texel Rate

The GeForce 9600 GT 512MB is much (about 34%) better at anisotropic filtering than the Radeon HD 5670. (explain)

GeForce 9600 GT 512MB		20800 Mtexels/sec
Radeon HD 5670		15500 Mtexels/sec
	Difference: 5300 (34%)

Pixel Rate

The GeForce 9600 GT 512MB should be much (about 68%) more effective at anti-aliasing than the Radeon HD 5670, and capable of handling higher resolutions better. (explain)

GeForce 9600 GT 512MB		10400 Mpixels/sec
Radeon HD 5670		6200 Mpixels/sec
	Difference: 4200 (68%)

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 maximum amount of information (in units of MB per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour 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 also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.