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

Intro

Compare all that to the Radeon HD 5750 512MB, which makes use of a 40 nm design. AMD has clocked the core frequency at 700 MHz. The GDDR5 RAM is set to run at a frequency of 1150 MHz on this particular model. It features 720(144x5) SPUs as well as 36 TAUs and 16 ROPs.

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

Theoretically speaking, the Radeon HD 5750 512MB should be a little bit faster than the GeForce 8800 GTS (G92) in general. (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) should be quite a bit (approximately 65%) better 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

The Radeon HD 5750 512MB is a bit (approximately 8%) faster with regards to anti-aliasing than the GeForce 8800 GTS (G92), and able to handle higher screen resolutions more effectively. (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: Bandwidth is the largest amount of information (counted in MB per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better 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 number of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs 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 also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.