GeForce 8800 GTS (G92) vs GeForce GTX 465

Intro

Compare all of that to the GeForce GTX 465, which comes with a GPU core clock speed of 607 MHz, and 1024 MB of GDDR5 memory running at 802 MHz through a 256-bit bus. It also is made up of 352 SPUs, 44 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G92)		135 Watts
GeForce GTX 465		200 Watts
	Difference: 65 Watts (48%)

Memory Bandwidth

In theory, the GeForce GTX 465 should perform much faster than the GeForce 8800 GTS (G92) in general. (explain)

GeForce GTX 465		102592 MB/sec
GeForce 8800 GTS (G92)		62080 MB/sec
	Difference: 40512 (65%)

Texel Rate

The GeForce 8800 GTS (G92) should be quite a bit (more or less 56%) more effective at AF than the GeForce GTX 465. (explain)

GeForce 8800 GTS (G92)		41600 Mtexels/sec
GeForce GTX 465		26708 Mtexels/sec
	Difference: 14892 (56%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 465 is the winner, by a large margin. (explain)

GeForce GTX 465		19424 Mpixels/sec
GeForce 8800 GTS (G92)		10400 Mpixels/sec
	Difference: 9024 (87%)

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 transported across the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

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