pro mobile vga for laptop firepro vs quadro

i'm planning to buy a laptop with pro graphic card, and i found dell precission
dell hav 15 inch 4700 and 17 inch 6700
4700 have
NVIDIA® Quadro® K1000M with 2GB GDDR3
6700 have
AMD FirePro™ M6000 Mobility Pro Graphics with 2GB GDDR5

the 6700 will absolutely win the comparison but i heard fire pro have some software incompatibilities

for now i'm only working with maya , syntheyes and zbrush, should be no problem right, but, later i'm planning to learn houdini, nuke and real flow

is it ok, and any other recomendation?
i live in singapore and the only mobile workstation retailer i found is dell, is there any other?

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