different vs of a piece

different

• The different ideal. 

• Not the same; exhibiting a difference. 

• Distinct, separate; used for emphasis after numbers and other determiners of quantity. 

• Various, assorted, diverse. 

• Unlike most others; unusual. 

• Differently. 

of a piece

• Used other than figuratively or idiomatically: see of, a, piece. 

• Of the same kind.