The Exynos Octa 5420 SoC ticks underneath the body. It combines a 1.9GHz quad-core
Cortex-A15 CPU cluster, a 1.3GHz quad-core Cortex-A7 CPU cluster, and Mali-T628MP6 GPU in one single package. There's 3GB RAM, 16GB internal storage, and a microSD card slot that can accept cards of up to 64GB storage space. There are seven sensors in the Galaxy Note 4 accelerometer, barometer, compass, gesture sensor, gyroscope, humidity sensor, proximity sensor, and a temperature sensor. There's a 3,200 mAh battery is expected to last 420 hours of standby time in 3G and 21 hours of talk-time.