Apple Watch Sapphire Vs Ion Glass. In the future the tradeoff between Ion-X and sapphire will become more interesting. Toughness on the other hand is determined by how much energy a.
Interestingly Apple Watch Sport is made from different materials than the more expensive Apple Watch models. The Apple Watchs ion-X strengthened glass is more flexible. The Ion x glass from Apple has the advantage that it is simply much more flexible than the sapphire.
In the dark both Apple Watch displays appear and perform identically but in ambient light they appear and perform differently due to the difference in the Reflectance of Sapphire and Glass.
It withstands more weight in a bend. All tests conclude with the conclusion that the Ion-X glass scratches faster compared to the sapphire glass. Sapphire on the other hand has very limited opportunity for improvement. For the Apple Watch Sport with Ion-X Glass we measured the Screen Reflectance to be 47 percent while for the Apple Watch with Sapphire we measured 82 percent Screen Reflectance which is 74 percent higher.