GeForce 8800 GT 1GB vs Geforce GTX 680

Intro

Compare those specifications to the Geforce GTX 680, which features a core clock frequency of 1006 MHz and a GDDR5 memory frequency of 1502 MHz. It also uses a 256-bit memory bus, and makes use of a 28 nm design. It features 1536 SPUs, 128 TAUs, and 32 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GT 1GB		105 Watts
Geforce GTX 680		195 Watts
	Difference: 90 Watts (86%)

Memory Bandwidth

The Geforce GTX 680, in theory, should perform a lot faster than the GeForce 8800 GT 1GB overall. (explain)

Geforce GTX 680		192256 MB/sec
GeForce 8800 GT 1GB		57600 MB/sec
	Difference: 134656 (234%)

Texel Rate

The Geforce GTX 680 will be much (about 283%) more effective at anisotropic filtering than the GeForce 8800 GT 1GB. (explain)

Geforce GTX 680		128768 Mtexels/sec
GeForce 8800 GT 1GB		33600 Mtexels/sec
	Difference: 95168 (283%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Geforce GTX 680 is the winner, and very much so. (explain)

Geforce GTX 680		32192 Mpixels/sec
GeForce 8800 GT 1GB		9600 Mpixels/sec
	Difference: 22592 (235%)

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 data (in units of 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 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the 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 most pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output 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 max fill rate.