1. The iPhone 15 Pro is expected to offer a 20% higher typical peak brightness compared to the current iPhone 14 Pro models. This improvement in display brightness could enhance the viewing experience, especially in bright outdoor conditions or when consuming HDR content.

2. The increased brightness is likely to be achieved through advancements in display technology, potentially involving the use of new materials or design changes. This could also lead to improved energy efficiency, allowing the display to operate at higher brightness levels without significantly impacting battery life.

3. The enhanced display brightness on the iPhone 15 Pro is seen as a significant upgrade, as it can improve the overall visual quality and user experience. This feature may be particularly appealing to users who prioritize display performance and visual fidelity in their smartphone choices.