"Sunlight legibility" refers to how easy it is to see and read the screen of a device, such as a smartphone or watch, when it is exposed to bright sunlight. Full definition
Sunlight legibility of both devices can be considered average as they have similar brightness levels. (themrphone.com)
Sporting a 5.5 - inch 1080p display that is touted to offer best sunlight legibility as company calls it a sunlight display offer up to 450 Nits brightness under direct sunlight. (phoneradar.com)
So, you can consider this display good for sunlight legibility. (phoneradar.com)