I dont know or really care what has better lumens, Ill go as far as saying theres no difference. What matters is your space and how you position the lights that should be the factors in which you use.
I use CFLs, had i a little more space id use FL, had i enough space id get a HPS

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Beginners guide to growing indoors: http://www.rollitup.org/newbie-central/26569-beginners-guide-indoor-growing.html