| Image |  |  |  |  |
|---|
| Height | 150.9 mm | 138.4 mm | 138.1 mm | 5.86 in (148.9 mm) |
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| Width | 75.7 mm | 67.3 mm | 67 mm | 2.68 in (68.1 mm) |
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| Depth | 8.3 mm | 7.3 mm | 6.9 mm | 0.31 in (8.0 mm) |
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| Weight | 194 g | 148 g | 129 g | 5.36 oz (152 g) |
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| Storage | | | | |
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| External memory | No | No | No | Yes microSDXC - up to 256 GB |
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| Built-in memory | 64 GB, 128GB, 256GB | 64 GB, 128 GB, 256 GB | 16 GB, 32 GB, 64 GB, 128 GB | 64 GB |
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| Screen | | | | |
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| Screen size | 6.1 in | 4.7 in | 4.7 in | 5.8 in |
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| Screen resolution | 1792x828 | 1334x750 | 1334x750 | 2960x1440 |
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| Pixel density | 326 ppi | 326 ppi | 326 ppi | 570 ppi |
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| HDR | No | No | No | |
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| Camera | | | | |
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| Resolution | 12 megapixels | 12 megapixels | 8 megapixels | |
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| Flash | Yes Quad led True Tone | Yes Quad led True Tone | Yes True Tone | Yes |
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| Optical zoom | No | No | No | |
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| Max. video resolution | 4K @60fps | 4K @60fps | 1920×1080 @60fps | |
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| Video call | Yes Facetime | Yes Facetime | Yes Facetime | |
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| Optical Image Stabilization | Yes | Yes | No | |
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| Front camera | Yes 7 MP | Yes 7 MP | Yes 1.2 MP | Yes 8 MP |
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| Product details | | | | |
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| Processor | Apple A12 Bionic | Apple A11 Bionic | Apple A8, 64bit | 2.35 GHz Octa-core Snapdragon 835 |
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| RAM | 3 GB | 2 GB | 1 GB | 4 GB |
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| SIM card format | Nano-SIM, eSIM | Nano-SIM | Nano-SIM | NanoSIM |
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| Connector | Lightning connector | Lightning connector | Lightning connector | USB C |
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| Headphone jack | No | No | Yes | Yes |
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| Connectivity | | | | |
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| Wi-Fi | Yes 802.11 a/b/g/n/ac | Yes 802.11 a/b/g/n/ac | Yes 802.11 a/b/g/n/ac | Yes |
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| Bluetooth® | Yes 5.0 | Yes 5.0 | Yes 4.0 | Yes 5.0 |
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| 4G LTE | Yes | Yes | Yes | |
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| Sensors | | | | |
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| Accelerometer | Yes | Yes | Yes | |
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| Gyroscope | Yes | Yes | Yes | |
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| Barometer | Yes | Yes | Yes | |
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| Ambient light sensor | Yes | Yes | Yes | |
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| Proximity sensor | Yes | Yes | Yes | |
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| Fingerprint sensor | No | Yes Touch ID (2nd) | Yes Touch ID | Yes |
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| Battery | | | | |
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| Wireless charging | Yes Qi-compatible | Yes Qi-compatible | No | Yes |
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| Battery capacity | 2,942 mAh | 1,821 mAh | 1,810 mAh | 3,000 mAh |
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| Standby | | | 240 h | 81 hours |
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| Talk time | 25 h | 20 h | 14 h | 30 h |
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| Other | | | | |
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| NFC | Yes with reader mode | Yes with reader mode | Yes | Yes |
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| Wireless payment | Yes Apple Pay | Yes Apple Pay | Yes Apple Pay | Yes |
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| Voice recognition (builtin) | Yes Siri | Yes Siri | Yes Siri | |
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| Face recognition | Yes FaceID | No | No | Yes |
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| Waterproof | Yes IP67 (1m) | Yes IP67 | No | Yes IP68 |
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| Colors | White, Black, Blue, Yellow, Coral, (PRODUCT)RED | Silver, Gold, Space Gray | Silver, Space Gray, Gold | |
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| Release date | Oct. 26th 2018 | Sep. 15th 2017 | Sep. 9th 2014 | Apr. 21st 2017 |
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