The iPhone XS weighs 6.24 ounces (177 grams) which is slightly heavier than the iPhone X which weighs in at 6.14 oz. The iPhone XS Max weighs 7.34 ounces (208 grams). The XS and XS Max are built with a surgical grade stainless steel backing, more durable glass and improved water resistance. The XS comes with a 5.8‑inch display, same as iPhone X, while the XS Max boasts a 6.5-inch screen, making it Apple’s largest iPhone ever.
Both devices were officially announced on Sept. 12 and launched on Sept. 28, 2018.
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