AMD TL-56 OR AMD TK-57??

Here is the AMD tl-56: TL-56 - TMDTL56HAX5CT (TMDTL56CTWOF).html

and the tk-57: AMD Athlon 64 X2 TK-57 - AMDTK57HAX4DM

I would like to know which one is better for a laptop and if the manufacturing process will make a difference in the heat?

my laptop is:

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