Mali-400 @ 400 MHz is a entry level GPU designed for mobile processors which are used in smartphones and tablets, GPU release year 2008. The GPU manufactured using 40 nm process technology. Mali-400 has core working at a frequency of 400 MHz and works with graphics, or in simple terms the GPU helps games seem better and more attractive and pleasing to the eye, for instance Minecraft, Fortnite, Asphalt 9, Call of Duty, PUBG, Madout2, GTA and many others. You can understand Mali-400 @ 400 MHz GPU is bad or good from benchmark data and comparisons with other graphics processing units.