Hiding behind the display we find the other half of the motherboard. Seriously, there's way more silicon hiding in this unit than in the base. Highlights include:

Monolithic Power Systems MP3387LLED driving, step-up converter (x4)

Microsoft X904169 05 CL1631 T518907.1 (x6) likely touchscreen controller

Microsoft X904163 01 CL1634 4C39290-01 (x2) likely touchscreen controller

Macronix MX25U1635F serial NOR flash (x2)

Atmel ATSAMS70N21 32-bit ARM Cortex-M7 processor

Novatech NT96131QG-46 likely camera controller

Winbond W25X20CL 2 Mb Serial NOR Flash Memory (x2)