Vivo V3 comes with a 5.0 inches screen(720*1280 pixels).It has a qualcomm MSM8939v2 snapdragon 616 chipset and Quad-core 1.5 GHz cortex-A53& quad-core 1.0 GHz cortex-A53 processor.It comes with 3GB RAM and 16GB internal memory expandable upto 256GB(microSD card slot).13 mp primary camera and 8 mp.
Front camera, it has a fingerprint sensor as well which is a plus point.I have been using the phone for past 3-4 months now and its working perfectlt fine with good performance.