Samsung Galaxy Z Flip 7 FE vs. Galaxy Z Flip 6: The same but different

The Samsung Galaxy Z Flip 7 FE is expected to use the current Galaxy Z Flip 6 as a starting point, but how will these phones differ?

source https://www.androidcentral.com/phones/samsung-galaxy/samsung-galaxy-z-flip-7-fe-vs-galaxy-z-flip-6