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The iPhone 12 features a 6.1-inch (15 cm) display^[30] with Super Retina XDR OLED technology at a resolution of 2532×1170 pixels and a pixel density of about 460 ppi.^[31] The iPhone 12 Mini features a 5.4-inch (14 cm) display with the same technology at a resolution of 2340×1080 pixels and a pixel density of about 476 ppi. Both phones have a peak brightness of 1200 nits, equivalent to the iPhone 12 Pro.^[31] Both phones also use an improved glass-ceramic covering called Ceramic Shield which is co-developed with Corning Inc. Apple describes it as having "4 times better drop performance" and being "tougher than any smartphone glass".^[32]