GeForce 8800 GTS (G92) vs GeForce GTX 460 (OEM)

Intro

Compare those specs to the GeForce GTX 460 (OEM), which comes with GPU core speed of 650 MHz, and 1024 MB of GDDR5 memory set to run at 850 MHz through a 256-bit bus. It also is made up of 336 Stream Processors, 56 TAUs, 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 460 (OEM)		150 Watts
	Difference: 15 Watts (11%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 (OEM) should be 75% faster than the GeForce 8800 GTS (G92) overall, because of its higher data rate. (explain)

GeForce GTX 460 (OEM)		108800 MB/sec
GeForce 8800 GTS (G92)		62080 MB/sec
	Difference: 46720 (75%)

Texel Rate

The GeForce 8800 GTS (G92) should be a small bit (about 14%) more effective at anisotropic filtering than the GeForce GTX 460 (OEM). (explain)

GeForce 8800 GTS (G92)		41600 Mtexels/sec
GeForce GTX 460 (OEM)		36400 Mtexels/sec
	Difference: 5200 (14%)

Pixel Rate

The GeForce GTX 460 (OEM) should be a lot (approximately 100%) more effective at FSAA than the GeForce 8800 GTS (G92), and will be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 460 (OEM)		20800 Mpixels/sec
GeForce 8800 GTS (G92)		10400 Mpixels/sec
	Difference: 10400 (100%)

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 maximum amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.