GeForce 8800 GTS (G92) vs GeForce GTX 980M

Intro

Compare all of that to the GeForce GTX 980M, which comes with GPU core speed of 1038 MHz, and 4096 MB of GDDR5 memory running at 1000 MHz through a 256-bit bus. It also features 1536 SPUs, 96 TAUs, and 64 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980M		100 Watts
GeForce 8800 GTS (G92)		135 Watts
	Difference: 35 Watts (35%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 980M should be a lot faster than the GeForce 8800 GTS (G92) overall. (explain)

GeForce GTX 980M		128000 MB/sec
GeForce 8800 GTS (G92)		62080 MB/sec
	Difference: 65920 (106%)

Texel Rate

The GeForce GTX 980M is quite a bit (approximately 140%) faster with regards to anisotropic filtering than the GeForce 8800 GTS (G92). (explain)

GeForce GTX 980M		99648 Mtexels/sec
GeForce 8800 GTS (G92)		41600 Mtexels/sec
	Difference: 58048 (140%)

Pixel Rate

The GeForce GTX 980M should be a lot (more or less 539%) faster with regards to full screen anti-aliasing than the GeForce 8800 GTS (G92), and will be capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 980M		66432 Mpixels/sec
GeForce 8800 GTS (G92)		10400 Mpixels/sec
	Difference: 56032 (539%)

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 max amount of information (in units of MB per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, 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 applied in one second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also 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, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.