Turion is slightly more then the PM, but uses slightly more energy under load if I'm not mistaken, they are pretty close though.
Sempron sucks compared to the Pentium M, bu it still isn't too bad.
Turion kills a Celeron D and is moderately ahead of a Pentiuim M
Semrpon is somewhat below the Celeron M, a fair amount above the celeron D
Sempron is a fair amount below the Turion.
I will admit some of that is guess work, but it gives you the geneeral idea.
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