GeForce 8800 GTS (G92) vs GeForce GTX 470

Intro

Compare those specifications to the GeForce GTX 470, which makes use of a 40 nm design. nVidia has set the core speed at 607 MHz. The GDDR5 memory is set to run at a frequency of 837 MHz on this card. It features 448 SPUs along with 56 Texture Address Units and 40 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G92)		135 Watts
GeForce GTX 470		215 Watts
	Difference: 80 Watts (59%)

Memory Bandwidth

Performance-wise, the GeForce GTX 470 should in theory be much better than the GeForce 8800 GTS (G92) in general. (explain)

GeForce GTX 470		133920 MB/sec
GeForce 8800 GTS (G92)		62080 MB/sec
	Difference: 71840 (116%)

Texel Rate

The GeForce 8800 GTS (G92) will be much (more or less 22%) better at texture filtering than the GeForce GTX 470. (explain)

GeForce 8800 GTS (G92)		41600 Mtexels/sec
GeForce GTX 470		33992 Mtexels/sec
	Difference: 7608 (22%)

Pixel Rate

The GeForce GTX 470 is quite a bit (approximately 133%) more effective at AA than the GeForce 8800 GTS (G92), and will be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 470		24280 Mpixels/sec
GeForce 8800 GTS (G92)		10400 Mpixels/sec
	Difference: 13880 (133%)

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 transported past the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better 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 amount of texture units by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.