While it *is* true that all Bartons are the same, it *isn't* true that all Bartons are the same.
All Barton cores are identical, and all of them are made in the same fab in Dresden, Germany.
NOT all Bartons will test out higher, or require less power to run. The ones that tested lowest were made into Thortons or lower speed Bartons, the ones that tested out better went to mid to high range XP's. Those that tested out the best became XP-M's, and the cream of that crop are the 35-watt XP-M's.
And several of us have posted in your other thread on the unlocking subject. there is an L-5 mod to make it a mobile, but since you have an NF-2 based board, it will not work.