The peak brightness of the Samsung Galaxy Z Fold5's main display is around 1,750 nits, making it the brightest foldable display at its release and excellent for use in direct sunlight

. DXOMARK measured the peak brightness at about 1,682 nits under bright sunlight conditions

, while other tests report values close to 1,750 nits

. For comparison, the Galaxy Z Fold6 significantly improves on this with a peak brightness reaching approximately 2,600 nits (2,564 cd/m² measured by DXOMARK), which is currently the highest peak brightness recorded for a foldable phone display

. In summary:

• Samsung Galaxy Z Fold5 peak brightness: ~1,750 nits
• Samsung Galaxy Z Fold6 peak brightness: ~2,600 nits

This brightness level on the Z Fold5 allows for good readability even in bright outdoor conditions, overcoming the typical reflectiveness challenges of foldable plastic displays