Differentiate between unreal engine 3 and unreal engine...

Unreal Engine 3	Unreal Engine 4
Unreal Engine 3 has good textures and lightning but was in need of improvement and there is no per-lighting a programmed in it.	Unreal Engine 4 has better textures and better lighting as it includes voxel cone tracing already programmed in it.
Not mobile friendly.	Friendly and efficient even in mobiles phones.
Earlier, Unreal Engine version 3 only supports PlayStation 3, Xbox 360 platforms, Windows and while iOS and Android were later added in the year of 2010.	The Unreal Engine 4 targets the eighth generation of consoles with Tegra K1-based devices that can help with Android and PC’s

Differentiate between unreal engine 3 and unreal engine 4?