Krait is an ARM-based central processing unit included in Qualcomm Snapdragon S4 and Snapdragon 400/600/800/801/805 (Krait 200, Krait 300, Krait 400 and Krait 450) System on chips. It was introduced in 2012 as a successor to the Scorpion CPU and although it has architectural similarities, Krait is not a Cortex-A15 core, but it was designed in-house.