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Dothan: new mobile era officially started

Dothan: new mobile era officially started

It seems to be the most anticipated processor core in the industry. From the moment Prescott volume production had been launched, Intel had to make great efforts to fine-tune its 90nm process.

If you remember, Prescott wasn´t at once liked by those who expected it... Besides, a mobile platform implies good power-saving modes, while new conditions also imply hard system loading.

Let´s give Intel its due, as it did a good job honing its process, so we today can introduce a worthy Banias successor — Dothan.

  H1 2003 H2 2003 H1 2004 H2 2004
 Processor  1.7GHz Intel® Pentium® M
LV 1.20GHz Intel® Pentium® M
ULV 1GHz Intel® Pentium® M
Intel® Pentium® M (Dothan) Intel® Pentium® M (Dothan with 533MHz FSB)
Chipset Intel® 855PM
Intel® 855GM
Intel® 855PM (DDR333)
Intel® 855GME
- Alviso
Wireless Intel® PRO/Wireless 2100 Intel® PRO/Wireless 2100A Intel® PRO/Wireless 2200BG 802.11a/b/g (Calexico 2)

It´s still Pentium M with all its benefits. Key changes were made to the process (90nm vs. 130nm), cache (doubled up to 2MB), power consumption (reduced from 24.5W to 21W). The architecture has changed to better as well. The process technology now includes strained silicon, clock rate improved up to 2GHz (higher values are promised in the future) and, finally, Dothan is to offer 533MHz FSB instead of current 400.

Processor Clock rate FSB L2 cache  Power   Voltage  Package Price in over 1,000-unit quantities
Intel Pentium M 755 2GHz / 600MHz, optimized power consumption  400MHz   2MB  21W 1.276-1.34V Micro FCPGA / Micro FCBGA $637
Intel Pentium M 745 1.8GHz / 600MHz,
optimized power consumption
 400MHz   2MB 21W 1.276-1.34V Micro FCPGA / Micro FCBGA $423
Intel Pentium M 735 1.7GHz / 600MHz, optimized power consumption  400MHz   2MB  21W 1.276-1.34V Micro FCPGA / Micro FCBGA $294

These are the first Intel´s chips that marked according to Processor Number. To a certain extent it starts a new company-consumer relations era, but I guess all of you know of it already.

And now it´s time to refer you to Dotnan materials that we already have: M6000 — the first ASUS Centrino series with discrete graphics. Another article describing our detailed examination of Intel Pentium M (Dothan) with RightMark Memory Analyzer is also coming up.

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