power compacts vs T5HO's

Which would be better for my moms? Which can I get closer to the plants
power compact: http://htgsupply.com/viewproduct.asp?productID=52661

they pretty much ARE t5's - there's very little difference. more compact. "true" t5s may be slightly more efficient, but those are the basically the same bulb specs I've got on my 4 ft t5hos

both should be good for moms. I'm thinking about adding another for 20k lumens total for my own setup
 
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