GeForce 8800 GT 512MB vs GeForce GTX 460 2GB

Intro

Compare all of that to the GeForce GTX 460 2GB, which features core clock speeds of 675 MHz on the GPU, and 900 MHz on the 2048 MB of GDDR5 memory. It features 336 SPUs along with 56 TAUs and 32 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GT 512MB		105 Watts
GeForce GTX 460 2GB		160 Watts
	Difference: 55 Watts (52%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 2GB is 100% quicker than the GeForce 8800 GT 512MB in general, because of its greater bandwidth. (explain)

GeForce GTX 460 2GB		115200 MB/sec
GeForce 8800 GT 512MB		57600 MB/sec
	Difference: 57600 (100%)

Texel Rate

The GeForce GTX 460 2GB will be a small bit (more or less 13%) better at AF than the GeForce 8800 GT 512MB. (explain)

GeForce GTX 460 2GB		37800 Mtexels/sec
GeForce 8800 GT 512MB		33600 Mtexels/sec
	Difference: 4200 (13%)

Pixel Rate

The GeForce GTX 460 2GB is much (approximately 125%) more effective at anti-aliasing than the GeForce 8800 GT 512MB, and also will be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 460 2GB		21600 Mpixels/sec
GeForce 8800 GT 512MB		9600 Mpixels/sec
	Difference: 12000 (125%)

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 megabytes per second) that can be transported across the external memory interface within a second. The number is calculated by multiplying the interface width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 texture map elements (texels) that can be processed per second. This figure 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 video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.