The lava Iris 504q comes with Android 4.2 out of the box. The screen on the front is a 5 inch LCD display with a resolution of 1280*720p.The processor comes with a clock speed of 1.2GHz Quad-core . The device has an 8 MP rear camera, 1 GB of RAM and 8 GB of onboard storage.
A quick comparison with other similar devices might come in handy for you to decide.