GeForce 8800 GTS (G92) vs GeForce GTX 465

Intro

Compare all of that to the GeForce GTX 465, which features a core clock speed of 607 MHz and a GDDR5 memory frequency of 802 MHz. It also features a 256-bit memory bus, and uses a 40 nm design. It is made up of 352 SPUs, 44 Texture Address Units, and 32 ROPs.

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 be 65% faster than the GeForce 8800 GTS (G92) in general, because of its higher bandwidth. (explain)

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

Texel Rate

The GeForce 8800 GTS (G92) is quite a bit (about 56%) more effective at texture filtering 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 a high resolution is important to you, then the GeForce GTX 465 is superior to the GeForce 8800 GTS (G92), 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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster 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 texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.