Do you wish to compare Nokia 4.2 and Nokia 8.1 (Nokia X7)? Here you will find a very good comparison of the specs for the Nokia 4.2 and Nokia 8.1 (Nokia X7). Do you wish to know if Nokia 4.2 has a better camera that Nokia 8.1 (Nokia X7)? Do you wish to know if the CPU of Nokia 8.1 (Nokia X7) is better that Nokia 4.2? Just check all of the specs.. and you will find the answer.
P.S: for now this feature is in beta. We are working on giving you more better results!