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| Price Comparison (India) | - | ||
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| Manufacturer | Apple | Samsung | Xiaomi | 
| Announced | September 2013 | July 2015 | January 2016 | 
| Status | Available - September 2013 | Available - August 2015 | Available - January 2016 | 
| Price | - | Rs. 26,990 ($396.91) [Similarly Priced] | Rs. 9,999 ($147.04) [Similarly Priced] | 
| Colors | Black/Slate, White/Silver | Pearl White, Midnight Black, Champagne Gold | Silver, Gray, Gold | 
| Form Factor | Candybar | Candybar | Candybar | 
| Dimension | 123.8 x 58.6 x 7.6 mm (4.87 x 2.31 x 0.3 in) | 158 x 76.8 x 5.9 mm (6.22 x 3.02 x 0.23 in) | 150 x 76 x 8.7 mm (5.91 x 2.99 x 0.34 in) | 
| Weight | 112 g (3.95 oz) | 151 g (5.33 oz) | 164 g (5.78 oz) | 
| SIM Type | - | - | Dual SIM Hybrid (Micro SIM + Nano SIM, or Micro SIM + microSD Card) | 
| 2G Network | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA | 
| 3G Network | HSDPA 850 / 900 / 1700 / 1900 / 2100 CDMA2000 1xEV-DO | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | 
| 4G Network | LTE 700 MHz Class 17 / 1700 / 2100 | LTE | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | 
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | 
| Build Features | - | - Fingerprint sensor | - Fingerprint sensor - Infrared Sensor - Metal Body - Scratch Resistant Glass | 
| Notification LED | - | - | Yes | 
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| OS | iOS 7.0.1 | Android OS, v5.1 (Lollipop) | Android OS, v5.1 (Lollipop) with MIUI7 | 
| Processor | Dual-core 1.3 GHz Cyclone, Apple A7 with M7 Motion Coprocessor | Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 | Quad-core 1.2 GHz Cortex-A53 & Dual-core 1.8 GHz Cortex-A72, Qualcomm MSM8956 Snapdragon 650 | 
| GPU | PowerVR G6430 | Adreno 405 | Adreno 510 | 
| RAM | 1 GB | 2 GB | 2/3 GB | 
| Internal Memory | 16/32/64 GB storage | 16/32 GB | 16/32 GB | 
| External Memory | No | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 128 GB (uses SIM 2 slot) | 
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| Type | LED-backlit IPS LCD, capacitive touchscreen | Super AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen | 
| Colors | 16M colors | 16M colors | 16M colors | 
| Size | 4.0 inches | 5.7 inches | 5.5 inches | 
| Resolution | 640 x 1136 pixels (326 ppi) | 1080 x 1920 pixels (386 ppi) | 1080 x 1920 pixels (401 ppi) | 
| Screen-to-Body Ratio | 60.84% | 73.99% | 72.98% | 
| Multi-Touch |  |  |  | 
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| 3.5mm Jack |  |  |  | 
| Radio | No | FM radio with RDS; recording | Stereo FM Radio with Recording | 
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable | 
| Loud Speaker |  |  |  | 
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| Rear Camera | 8 MP, 3264x2448 pixels | 16 MP, 5312 x 2988 pixels | 16 MP | 
| Flash | dual-LED flash | LED flash | Dual-LED (Dual Tone) | 
| Features | Auto focus, 1.5 µm pixel size, Simultaneous HD video and image recording, touch focus, geo-tagging, face detection, panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Phase Detection Auto-focus, f/2.0, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama | 
| Video | Yes, 1080p@30fps, 720p@120 fps, video stabilization | 1080p@30fps | 1080p@30fps | 
| Front Camera | Yes, 1.2 MP, 720p@30fps, face detection, [Similar] | 5 MP, 1080p [Similar] | 5 MP, f/2.0, 1080p [Similar] | 
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| GPRS | Yes | Yes | Yes | 
| Edge | Yes | Yes | Yes | 
| 3G | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps, LTE, 100 Mbps; EV-DO Rev. A, up to 3.1 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps | HSPA, LTE | 
| Bluetooth | Yes, v4.0 with A2DP | v4.1, A2DP, EDR, LE | v4.1, A2DP, LE | 
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | 
| USB | Yes, Lightning Port | microUSB v2.0 | microUSB v2.0, USB On-The-Go | 
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS/ Beidou (market dependant) | Yes, with A-GPS, GLONASS, BDS | 
| Browser | HTML (Safari) | HTML5 | HTML5 | 
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| Internal | 16/32/64 GB storage, 1 GB RAM | 16/32 GB, 2 GB RAM | 16/32 GB, 2/3 GB RAM | 
| Expandable Storage | No | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 128 GB (uses SIM 2 slot) | 
| USB OTG | - | - | Supported | 
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| Fingerprint |  |  |  | 
| Proximity Sensor |  |  |  | 
| Accelerometer Sensor |  |  |  | 
| NFC |  |  |  | 
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| Type | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery | Non-removable Li-Po Battery | 
| Capacity | 1440 mAh | 3050 mAh | 4050 mAh | 
| Stand by | Up to 250 h | - | - | 
| Talk Time | Up to 10 h | - | - |