Refractory to s3 because of its size may darken certainly the processor and the camera are less powerful but the difference does not feel much. To be moved from a phone that was 8,1mp has this one I'm not disappointed at all. For those seeking the compact and functional design side go for those who truly seek the pure performance and do not have the patience to wait a second and a few thousandths launching an internet page, for example, think can be a bit before you get started ...