Motorola X8 Mobile Computing System is a chipset from Motorola for Android-based smartphones, based on Qualcomm Snapdragon System on a chip S4 Pro.[1] CPU of S4 Pro is ARM-compatible dual-core Krait, and GPU of this chip is 4-core Adreno 320. Several low-power DSP chips were added by Motorola to S4 Pro in the chipset to process audio and inputs from other sensors.