Template:mpu Surge S1 is a 64-bit octa-core performance ARM system-on-chip designed by Xiaomi and introduced in early 2017. This chip incorporates 8 Cortex-A53 cores in a big.LITTLE configuration with four cores operating at up to 2.2 GHz with the other four set of cores operating at 1.4 GHz. This processor is fabricated on TSMC's 28 nm HPC+ process and incorporates a Mali-T860 IGP.