The J2 Ace is better than J1 2016 model is design is better than J1 J2 have more specification than J2 have 4g its good . The body is also good .Extra ram gives more easy to use heavy apps .the j2comes in different colours so u can buys a colour what u want .the display is 5 inch is to big to use easlly with one hand and the cost is aboce 7000 and 8000 rs as u want to buy with more internal memory. The sound quality is best bass is best and the battery life u now samsung are in best