Intel will launch its first 1GHz notebook-oriented CPU, a Mobile Pentium III, on Monday - the day AMD is expected to begin shipping its new Palomino-based Mobile Athlon.

That's what industry sources have told TechWeb, and it neatly matches the Chipzilla internal roadmaps we've seen over the last few months. The latest roadmap says the part will be available "in March" and follows on from January's 500MHz Ultra-low Voltage Mobile PIII and February's 700MHz Low-Voltage Mobile PIII.

The arrival of the 1GHz part fills out Intel's view of the notebook business. The new chip will be targeted at top-end all-in-one mobiles. Current high-speed Mobile PIIIs will now be sold to makers of 'thin and light' executive-oriented machines. The LV PIII is aimed at mini-notebooks and the ULV PIII at sub-notebooks.

The launch of the new PIII will herald the immediate shipment of notebooks based on it from IBM, Hewlett-Packard and Dell, according to said sources, which should spoil AMD's launch further. Notebooks based on the new Mobile Athlon aren't expected until the second quarter.

Chipzilla is expected to launch a 900MHz PIII alongside the 1GHz part, which may also be accompanied by a 750MHz Mobile Celeron chip. Come Q3, the 0.18 micron Coppermine-based 900MHz and 1GHz parts will be shuffled downmarket by the arrival of 0.13 micron Tualatin-based Mobile PIIIs at 1.06GHz and 1.13GHz. ®

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