The Samsung Galaxy Z Flip 4 SM-721U smartphone has the latest Qualcomm snapdragon 8+ gen 1. The processor is manufactured in 4 nm lithography process. In addition to the processor Qualcomm has supplied power management units (one more traditionally supplied by Maxim), WiFi/Bluetooth module, and Front-End module. The biggest change compared to its predecessor is the use of the two Transceivers.