GeForce 8800 GTS (G92) vs GeForce GTX 980

Intro

Compare those specs to the GeForce GTX 980, which has a GPU core clock speed of 1126 MHz, and 4096 MB of GDDR5 RAM running at 1750 MHz through a 256-bit bus. It also is made up of 2048 SPUs, 128 TAUs, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G92)		135 Watts
GeForce GTX 980		165 Watts
	Difference: 30 Watts (22%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 980 should be 261% faster than the GeForce 8800 GTS (G92) overall, due to its greater data rate. (explain)

GeForce GTX 980		224000 MB/sec
GeForce 8800 GTS (G92)		62080 MB/sec
	Difference: 161920 (261%)

Texel Rate

The GeForce GTX 980 will be much (about 246%) more effective at anisotropic filtering than the GeForce 8800 GTS (G92). (explain)

GeForce GTX 980		144128 Mtexels/sec
GeForce 8800 GTS (G92)		41600 Mtexels/sec
	Difference: 102528 (246%)

Pixel Rate

The GeForce GTX 980 will be much (more or less 593%) better at AA than the GeForce 8800 GTS (G92), and will be able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 980		72064 Mpixels/sec
GeForce 8800 GTS (G92)		10400 Mpixels/sec
	Difference: 61664 (593%)

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 information (in units of megabytes per second) that can be transported over the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, 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 most pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.