Let's notate what powers all of this screen:

Samsung K3UH6H60AM-NGCJ 6 GB LPDDR4X SDRAM layered over a Qualcomm Snapdragon 835

Samsung KLUCG4J1ED-B0C1 64 GB UFS flash storage

Qualcomm WCD9341 Aqstic audio codec

Skyworks SKY78160-11 power amplifier

Avago AFEM-9066 power amplifier

Wacom W9018 touch control IC

Silicon Mitus SM5720 power management IC