From a new hinge rated for thousands of folds to a redesigned camera, here's how Samsung engineered the Fold 7 and made it ultra-thin.

The news is a little better for the Galaxy Z Flip 7, as it saw a more substantial gain in our battery life test over the previous Samsung flip phone. That said, some of Motorola's foldable flip phones continue to outlast Samsung's offerings.

Samsung’s Galaxy Z Fold series does not come cheap. The company’s latest foldable, the Galaxy Z Fold 7, costs $2,000. That’s a lot of money. But Samsung boasts premium materials like a titanium backplate that supports the foldable display.