I've run both and I prefer the Crees, IME SPS respond better under them, no idea why but they just do. Lower output also means higher efficiency as in you're using less power. Not too many LED fixtures out there using bridgelux either, from a manufacturing point of view I would conclude the Crees are the favorite by far. Crees are also pretty cheap now, not much point using budget LEDs these days unless you have a fairly large build. I also like the Luxeon's in terms of spectrum for the cool blues and royal blues.
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