Allwinner A527
Allwinner A527 is an ARM64 SoC that features:
CPU: Octa-Core ARM Cortex-A55
GPU: ARM G57 MC1
Interrupt Controller: ARM GIC-600 (Generic Interrupt Controller v3)
RAM: Up to 4GB LPDDR4 SDRAM
I/O: UART, SPI, I2C, USB 3.0 OTG, SDIO, Dual Gigabit Ethernet