GeForce 8800 GTS (G92) vs GeForce GT 240 GDDR5

Intro

Compare all that to the GeForce GT 240 GDDR5, which has clock speeds of 550 MHz on the GPU, and 850 MHz on the 512 MB of GDDR5 RAM. It features 96 SPUs along with 32 Texture Address Units and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5		70 Watts
GeForce 8800 GTS (G92)		135 Watts
	Difference: 65 Watts (93%)

Memory Bandwidth

As far as performance goes, the GeForce 8800 GTS (G92) should in theory be a little bit better than the GeForce GT 240 GDDR5 overall. (explain)

GeForce 8800 GTS (G92)		62080 MB/sec
GeForce GT 240 GDDR5		54400 MB/sec
	Difference: 7680 (14%)

Texel Rate

The GeForce 8800 GTS (G92) should be a lot (about 136%) more effective at AF than the GeForce GT 240 GDDR5. (explain)

GeForce 8800 GTS (G92)		41600 Mtexels/sec
GeForce GT 240 GDDR5		17600 Mtexels/sec
	Difference: 24000 (136%)

Pixel Rate

The GeForce 8800 GTS (G92) is quite a bit (more or less 136%) faster with regards to AA than the GeForce GT 240 GDDR5, and also will be capable of handling higher screen resolutions more effectively. (explain)

GeForce 8800 GTS (G92)		10400 Mpixels/sec
GeForce GT 240 GDDR5		4400 Mpixels/sec
	Difference: 6000 (136%)

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 maximum amount of data (counted in MB per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.