GeForce 8800 GTS (G80) 320MB vs GeForce 8800 GTS (G92)

Intro

Compare that to the GeForce 8800 GTS (G92), which has clock speeds of 650 MHz on the GPU, and 970 MHz on the 512 MB of GDDR3 RAM. It features 128 SPUs as well as 64 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G92)		135 Watts
GeForce 8800 GTS (G80) 320MB		143 Watts
	Difference: 8 Watts (6%)

Memory Bandwidth

The GeForce 8800 GTS (G80) 320MB should in theory be a little bit faster than the GeForce 8800 GTS (G92) in general. (explain)

GeForce 8800 GTS (G80) 320MB		63360 MB/sec
GeForce 8800 GTS (G92)		62080 MB/sec
	Difference: 1280 (2%)

Texel Rate

The GeForce 8800 GTS (G92) is much (more or less 69%) faster with regards to AF than the GeForce 8800 GTS (G80) 320MB. (explain)

GeForce 8800 GTS (G92)		41600 Mtexels/sec
GeForce 8800 GTS (G80) 320MB		24624 Mtexels/sec
	Difference: 16976 (69%)

Pixel Rate

The GeForce 8800 GTS (G92) should be a bit (approximately 1%) faster with regards to AA than the GeForce 8800 GTS (G80) 320MB, and also capable of handling higher screen resolutions while still performing well. (explain)

GeForce 8800 GTS (G92)		10400 Mpixels/sec
GeForce 8800 GTS (G80) 320MB		10260 Mpixels/sec
	Difference: 140 (1%)

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 data (counted in MB per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total texture units by the core 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 applied per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines 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 also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.