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| Price Comparison (India) | - | - | |
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| Manufacturer | Apple | Asus | Xiaomi | 
| Announced | September 2013 | January 2014 | September 2013 | 
| Status | Available - September 2013 | Available - June 2014 | Available - December 2013 | 
| Colors | Black/Slate, White/Silver | Black, White, Red, Blue, Gold | Various | 
| Form Factor | Candybar | Candybar | Candybar | 
| Dimension | 123.8 x 58.6 x 7.6 mm (4.87 x 2.31 x 0.3 in) | 148.2 x 72.8 x 5.5-10.3 (5.83 x 2.87 x 0.22-0.41) | 144 x 73.6 x 8.1 mm (5.67 x 2.9 x 0.32 in) | 
| Weight | 112 g (3.95 oz) | 140 g (4.94 oz) | 145 g (5.11 oz) | 
| 2G Network | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | 
| 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 | - | - | 
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | 
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| OS | iOS 7.0.1 | Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) | Android OS, v4.4 (KitKat) optimized with MIUI version 5 | 
| Processor | Dual-core 1.3 GHz Cyclone, Apple A7 with M7 Motion Coprocessor | Dual-core 2.0 GHz / Dual-core 1.6 GHz, Intel Atom Z2580/Z2560 | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800 | 
| GPU | PowerVR G6430 | PowerVR SGX544MP2 | Adreno 330 | 
| RAM | 1 GB | 1/2 GB | 2 GB | 
| Internal Memory | 16/32/64 GB storage | 8/16 GB | 16/64 GB | 
| External Memory | No | microSD, up to 64 GB | No | 
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| Type | LED-backlit IPS LCD, capacitive touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 | IPS LCD capacitive touchscreen | 
| Colors | 16M colors | 16M colors | 16M colors | 
| Size | 4.0 inches | 5.0 inches | 5.0 inches | 
| Resolution | 640 x 1136 pixels (326 ppi) | 720 x 1280 pixels (294 ppi) | 1080 x 1920 pixels (441 ppi) | 
| Screen-to-Body Ratio | 60.84% | 63.76% | 64.90% | 
| Multi-Touch |  |  |  | 
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| 3.5mm Jack |  |  |  | 
| Radio | No | FM Radio | FM radio | 
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable | 
| Loud Speaker |  |  |  | 
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| Rear Camera | 8 MP, 3264x2448 pixels | 8 MP, 3264 x 2448 pixels | 13 MP, 4128 x 3096 pixels | 
| Flash | dual-LED flash | LED flash | dual-LED flash | 
| 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 | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR | 
| Video | Yes, 1080p@30fps, 720p@120 fps, video stabilization | Yes | 1080p@30fps, HDR | 
| Front Camera | Yes, 1.2 MP, 720p@30fps, face detection, [Similar] | Yes, 2 MP [Similar] | 2 MP, 1080p@30fps [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 | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | 
| Bluetooth | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP, EDR | v4.0, A2DP | 
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot | 
| USB | Yes, Lightning Port | Yes, microUSB v2.0 | microUSB v2.0 (MHL), USB On-the-go | 
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS | 
| Browser | HTML (Safari) | HTML | HTML5 | 
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| Internal | 16/32/64 GB storage, 1 GB RAM | 8/16 GB, 1/2 GB RAM | 16/64 GB, 2 GB RAM | 
| Expandable Storage | No | microSD, up to 64 GB | No | 
| 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-Po Battery | Non-removable Li-Ion Battery | 
| Capacity | 1440 mAh | 2110 mAh | 3050 mAh | 
| Stand by | Up to 250 h | Up to 353 h (3G) | Up to 500 h | 
| Talk Time | Up to 10 h | Up to 18 h 30 min (3G) | Up to 4 h |