It does feel faster and benchmark faster than the 3970. Since the PPC2003 OS doesn't really offer much in the way of optimizations for XScale, I suspect the speed is about 65% due to the newer PXA255 processor that has a 2x faster memory bus than the PXA250 used in the 3970 and other architectural improvements in hardware, and 35% due to the new OS. It's interesting that benchmarks for the new iPAQ 5555 so far have been slower than the 2215!
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Compared to the performance of the 3970, did you feel the 2215 was much faster? If yes I wonder how much of that could be credited to the 2003 OS and how much an upgrade to the 2003 OS could improve the 39XX models?
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