T3 are intel, newer than the T2, and perform worse than the T2. T3a are AMD and perform on par/slightly better than T3 for less cost. (From my own testing. Not

T3 are intel, newer than the T2, and perform worse than the T2. T3a are AMD and perform on par/slightly better than T3 for less cost. (From my own testing. Not a claim I can backup this is just my observation)