Samsung have a good processors and Ram . first of check processor and ram. j7 prime is best product looks awesome .take look the features of J7 prime .
Android OS v6.0.1(Marshmallow)
Processor: Octa core, 1.6 GHz
Ram: 3GB
Internal Storage: 16Gb
Camera:13/8MP, Auto Focus, LED Flash
Battery:, Li-ion 3300 mAh, Non-removable
Price: Rs18000
At this Price Range You can buy A Awesome mobile whit lots a specific futures . Samsung J7 Prime Not Bad but its not giving you finger-print lock . and Battery capacity is not good . So You can spend Rs18000 For a mobile whit lots of future then Don’t buy J7 Prime.