The cover display is rumored to grow to 3.4", so it will show a lot more content than the Z Flip4 display, but it will still be smaller than the Razr 40 Ultra display.
Samsung Galaxy Z Flip 5 Hands-On: Bigger Display, More Personal Customizations - CNET
Samsung Galaxy Z Flip 5 vs. Galaxy S23+: To fold or not to fold
Samsung Galaxy Z Flip5's cover display tipped to be larger than Oppo Find N2 Flip's - news
Yet another big Galaxy Z Fold 4 and Z Flip 4 upgrade is now '100%' guaranteed - PhoneArena
Samsung Galaxy Z Flip 5 Review
Samsung Galaxy Z Flip5 rumored specs point to larger cover display, new chipset and little else - news
Samsung Galaxy Z Flip5 FAQ: All Related Questions Answered - Smartprix
Motorola Razr Plus vs. Samsung Galaxy Z Flip 4
The Samsung Galaxy Z Flip 5 Gets a Much Larger Cover Screen
Samsung Galaxy Unpacked July 2023: Z Flip 5, Z Fold 5, and all the news - The Verge