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| Manufacturer | Apple | Xiaomi | Apple | 
| Announced | September 2015 | February 2016 | March 2016 | 
| Status | Available - September 2015 | Available - April 2016 | Available - March 2016 | 
| Price | Rs. 41,999 ($617.63) [Similarly Priced] | Rs. 15,400 ($225.99) [Similarly Priced] | Rs. 21,499 ($399.00) [Similarly Priced] | 
| Colors | Space Gray, Silver, Gold, Rose Gold | Black, White, Gold, Purple | Space Gray, White/Silver, Gold, Rose Gold | 
| Form Factor | Candybar | Candybar | Candybar | 
| Dimension | 138.3 x 67.1 x 7.1 mm (5.44 x 2.64 x 0.28 in) | 139.3 x 70.8 x 7.8 mm (5.48 x 2.79 x 0.31 in) | 123.8 x 58.6 x 7.6 mm (4.87 x 2.31 x 0.3 in) | 
| Weight | 143 g (5.04 oz) | 133 g (4.69 oz) | - | 
| SIM Type | - | - | Single-SIM | 
| 2G Network | GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1700 / 1900 / 2100 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA 1900 / 2000 | GSM 850 / 900 / 1800 / 1900 | 
| 3G Network | HSDPA 850 / 900 / 1700 / 1900 / 2100 CDMA2000 1xEV-DO | HSDPA 850 / 1900 / 2100 TD-SCDMA 1900 / 2000 | HSDPA 850 / 900 / 1900 / 2100 | 
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700) - A1688 LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12( | LTE band 1(2100), 3(1800), 38(2600), 39(1900), 40(2300), 41(2500) | LTE | 
| SAR US | 1.14  W/kg (head) 1.14 W/kg (body) | -  W/kg (head) - W/kg (body) | -  W/kg (head) - W/kg (body) | 
| SAR EU | 0.87  W/kg (head) 0.98 W/kg (body) | -  W/kg (head) - W/kg (body) | -  W/kg (head) - W/kg (body) | 
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | 
| Build Features | - Fingerprint sensor (TouchID v2) - 3D Touch display - Apple Pay (Visa, MasterCard, AMEX certified) | - Fingerprint Sensor - Infrared Sensor | - Fingerprint Sensor | 
| Notification LED | - | Yes | Yes | 
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| OS | iOS 9 | Android OS, v6.0 (Marshmallow) | iOS 9.3 | 
| Processor | 2 GHz Dual-core, Apple A9 | Quad-core 1.44 GHz Cortex-A53 & dual-core 1.82 GHz Cortex-A57, Qualcomm MSM8992 Snapdragon 808 | Dual-core 1.84 GHz Twister, Apple A9 | 
| GPU | - | Adreno 418 | PowerVR GT7600 | 
| RAM | 2 GB | 3 GB | 2 GB | 
| Internal Memory | 16/64/128 GB | 64 GB | 16/64 GB | 
| External Memory | No | microSD, up to 128 GB (Uses SIM 2 Slot) | No | 
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| Type | LED-backlit IPS LCD, Capacitive Touchscreen, Ion-Strengthened Glass, Oleophobic Coating | IPS LCD Capacitive Touchscreen | LED-backlit IPS LCD, Capacitive Touchscreen | 
| Colors | 16M colors | 16M colors | 16M colors | 
| Size | 4.7 inches | 5.0 inches | 4.0 inches | 
| Resolution | 750 x 1334 pixels (326 ppi) | 1080 x 1920 pixels (441 ppi) | 640 x 1136 pixels (326 ppi) | 
| Screen-to-Body Ratio | 65.45% | 69.75% | 60.84% | 
| Multi-Touch |  |  |  | 
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| 3.5mm Jack |  |  |  | 
| Radio | No | FM radio | No | 
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable | 
| Loud Speaker |  |  |  | 
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| Rear Camera | 12 MP, 4608 x 2592 pixels | 13 MP, 4128 x 3096 pixels | 12 MP | 
| Flash | Real-tone Flash | Dual-LED (dual tone) | Dual-LED (Dual Tone) | 
| Features | Phase-Detection AutoFocus, Geo-tagging, Simultaneous HD Video And Image Recording, Touch Focus, Face/smile Detection, HDR (Photo/Panorama) | Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR | Phase Detection Autofocus, f/2.2, 29mm, 1/3" sensor size, 1.22 µm pixel size, geo-tagging, simultaneous 4K video and 8MP image recording, touch focus, face/smile detection, HDR (photo/panorama) | 
| Video | 2160p@30fps, 1080p@60fps, 720p@240fps | 1080p@30fps, 720p@120fps | 2160p@30fps, 1080p@60fps,1080p@120fps, 720p@240fps | 
| Front Camera | 5 MP, 1080p@30fps, 720p@240fps [Similar] | 5 MP, f/2.0, 1080p [Similar] | 1.2 MP, f/2.4, 31mm, 720p@30fps, face detection, HDR [Similar] | 
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| GPRS | Yes | Yes | Yes | 
| Edge | Yes | Yes | Yes | 
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, EV-DO Rev.A 3.1 Mbps | HSPA, LTE Cat4 150/50 Mbps | HSPA, LTE Cat4 150/50 Mbps | 
| Bluetooth | v4.1, A2DP, LE | v4.1, A2DP | v4.2, A2DP, LE | 
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, hotspot | 
| USB | v2.0, reversible connector | Type-C 1.0 reversible connector, Qualcomm Quick Charge 2.0 | v2.0, Reversible Connector | 
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS, GLONASS | 
| Browser | HTML5 (Safari) | HTML5 | HTML5 (Safari) | 
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| Internal | 16/64/128 GB, 2 GB RAM | 64 GB, 3 GB RAM | 16/64 GB, 2 GB RAM | 
| Expandable Storage | No | microSD, up to 128 GB (Uses SIM 2 Slot) | No | 
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| Fingerprint |  |  |  | 
| Proximity Sensor |  |  |  | 
| Accelerometer Sensor |  |  |  | 
| NFC |  |  |  | 
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| Type | Non-removable Li-Po Battery (6.9 Wh) | Non-removable Li-Ion Battery | Non-removable Li-Po Battery | 
| Capacity | 1715 mAh | 3260 mAh | 1642 mAh | 
| Stand by | Up to 240 h (3G) | - | - | 
| Talk Time | Up to 14 h (3G) | - | - |