Double the phone, double the fun! Found on the right side's main board:

Samsung K3UHAHA0AM-AGCL 12 GB RAM layered over Qualcomm Snapdragon 855

Samsung KLUFG8RHDA-B2D1 512 GB eUFS NAND flash storage

Qorvo QM78062, likely a RF Fusion front-end module

Qualcomm SDR8150 RF transceiver

Murata KM9705076 front end module (likely)

Maxim MAX77705C PMIC

IDT P9320S Wireless charging IC