Hi frnds here to write review about samsung galaxy on nxt is batter than samsung galaxy J7 nxt .Thise two phone have the same screen size 5.50 inc and On nxt is highi in resolution ( 1080×1920 pixel ) .Stroage capcity is also more in samsung galaxy on nxt ( 32GB) .Processor: same in both 1.6GHz octa-core .Ram : 3 GB in on nxtRear camera : 13 megapixel in both phoneFront camera: in samsung galaxy on nxt 8 mega pixel and 5 mega pixels in J7 nxtOs : andriod 7.0 in samsung galaxy j7 nxt andBattery capacity : is more in samsung galaxy on nxt ( 3300mAh) Both the phones have expandable storage up to 256Bothe can connect to wifi and suppoert upt standards 802.11/b/g/n .And supports GPS and BluetoothSim: micro sim in j7 and nano sim in on nxtBut overall the conclution is I prefer to take samsung galaxy on nxt rather then j7 nxt