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iPhone XS and XS Max Have 4GB of RAM, XR Has 3GB; XS Max and XR Have Larger 3,174 and 2,942 mAH Batteries - MacRumors
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iPhone XS and XS Max Smart Battery Case contains 10.1Wh battery, 13% larger capacity than previous cases - 9to5Mac
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iPhone XS and XS Max Have 4GB of RAM, XR Has 3GB; XS Max and XR Have Larger 3,174 and 2,942 mAH Batteries - MacRumors
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iFixit: iPhone XS Has 'Notched' Battery and iPhone XS Max Has Apple-Designed Power Management Chip [Updated] - MacRumors
![Apple Hub on Twitter: "Full specs including battery capacity and RAM inside the new iPhones have surfaced in regulatory filings. The iPhone XS and XS Max both feature 4GB of RAM, XR Apple Hub on Twitter: "Full specs including battery capacity and RAM inside the new iPhones have surfaced in regulatory filings. The iPhone XS and XS Max both feature 4GB of RAM, XR](https://pbs.twimg.com/media/Dnh1M-2U0AAOpm5.jpg)