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Nvidia touts 'flagship' GeForce Go 7900 GPUs

As Toshiba revealed last month, ahem...

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Nvidia has formally unveiled the GeForce Go 7900 mobile graphics chip family notebook maker Toshiba pre-announced last month. Then, Toshiba debuted a laptop based on the 7900 GS - today, Nvidia added the 7900 GTX to the line-up.

The two 7900 GPUs are fabbed at 90nm. The "flagship" 7900 GTX has a fill rate of 12bn pixels per second and can process 1bn vertices in the same timeframe. The 7900 GS, which is pitched at "slimmer performance notebooks", offers a 7.5bn pixels per second fill rate and a 656m vertices per second rate.

Both provide all the key features of other, lesser 7000-series mobile GPUs - Shader Model 3.0 support, PureVideo H.264 hardware acceleration, CineFX 4.0, Intellisample 4.0, PCI Express, GDDR 3 memory support etc. - but presumably with higher memory and core clock frequencies. Nvidia didn't provide numbers, but the two new chips' memory clocks are 600MHz and 500MHz, respectively, making for effective clock speeds of 1.2GHz and 1GHz.

Nvidia said the 7900 GTX and 7900 GS are now available to order in notebooks from Toshiba and Dell, with product coming "soon" from the likes of Gateway, ABS, Voodoo PC, Vicious PC, AJP, Evesham, Hypersonic and others. Alienware is notable by its absence from the list. ®

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