GeForce 8800 GTS (G92) vs Radeon HD 5750 512MB

Intro

Compare those specs to the Radeon HD 5750 512MB, which comes with clock speeds of 700 MHz on the GPU, and 1150 MHz on the 512 MB of GDDR5 RAM. It features 720(144x5) SPUs as well as 36 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 512MB		86 Watts
GeForce 8800 GTS (G92)		135 Watts
	Difference: 49 Watts (57%)

Memory Bandwidth

Performance-wise, the Radeon HD 5750 512MB should theoretically be just a bit superior to the GeForce 8800 GTS (G92) overall. (explain)

Radeon HD 5750 512MB		73600 MB/sec
GeForce 8800 GTS (G92)		62080 MB/sec
	Difference: 11520 (19%)

Texel Rate

The GeForce 8800 GTS (G92) is a lot (approximately 65%) more effective at AF than the Radeon HD 5750 512MB. (explain)

GeForce 8800 GTS (G92)		41600 Mtexels/sec
Radeon HD 5750 512MB		25200 Mtexels/sec
	Difference: 16400 (65%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 5750 512MB is superior to the GeForce 8800 GTS (G92), though not by far. (explain)

Radeon HD 5750 512MB		11200 Mpixels/sec
GeForce 8800 GTS (G92)		10400 Mpixels/sec
	Difference: 800 (8%)

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 max amount of data (in units of megabytes per second) that can be transferred over the external memory interface in a second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 amount of texture map elements (texels) that can be applied per second. This 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 graphics 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 most pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. 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.