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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Xiaomi | 
| Announced | October 2014 | March 2015 | September 2016 | 
| Status | Available - November 2014 | Available - April 2015 | Available - September 2016 | 
| Price | Rs. 17,499 ($257.34) [Similarly Priced] | Rs. 29,999 ($441.16) [Similarly Priced] | Rs. 19,900 ($300.00) [Similarly Priced] | 
| Colors | Charcoal Black, Copper Gold, Electric Blue, Shimmery White | White Pearl, Black Sapphire, Gold Platinum, Blue Topaz | Black, White, Gold, Rose Gold | 
| Form Factor | Candybar | Candybar | Candybar | 
| Dimension | 142 x 72.5 x 8.1 mm (5.59 x 2.85 x 0.32 in) | 143.4 x 70.5 x 6.8 mm (5.65 x 2.78 x 0.27 in) | 145.6 x 70.3 x 8.25 mm (5.73 x 2.77 x 0.32 in) | 
| Weight | 145 g (5.11 oz) | 138 g (4.87 oz) | 145 g (5.11 oz) | 
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | 
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA | 
| 4G Network | LTE 800 / 850 / 900 / 1800 / 1900 / 2100 / 2600 (Bands 1, 2, 3, 5, 7, 8, 20) | LTE | LTE | 
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | 
| Build Features | - | - Corning Gorilla Glass 4 back panel - Fingerprint sensor (PayPal certified) - Samsung Pay (Visa, MasterCard certified) | - Ultrasonic Fingerprint Sensor | 
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| OS | Android OS, v4.4.2 (KitKat) | Android OS, v5.0.2 (Lollipop) | Android OS, v6.0 (Marshmallow) | 
| Processor | Quad-core 2.5 GHz Krait 450, Qualcomm Snapdragon 805 | Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57, Exynos 7420 | Dual-core 2.4 GHz Kryo & dual-core 2.0 GHz Kryo, Qualcomm MSM8996 Snapdragon 821 | 
| GPU | Adreno 420 | Mali-T760 | Adreno 530 | 
| RAM | 2 GB | 3 GB | 3/4 GB | 
| Internal Memory | 16/32 GB | 32/64/128 GB | 64/128 GB | 
| External Memory | microSD, up to 128 GB | No | No | 
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| Type | Super AMOLED capacitive touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 4 | IPS LCD Capacitive Touchscreen, Curved Glass | 
| Colors | 16M colors | 16M colors | 16M colors | 
| Size | 5.1 inches | 5.1 inches | 5.15 inches | 
| Resolution | 1080 x 1920 pixels (432 ppi) | 1440 x 2560 pixels (577 ppi) | 1080 x 1920 pixels (428 ppi) | 
| Screen-to-Body Ratio | 69.63% | 70.66% | 71.35% | 
| Multi-Touch |  |  |  | 
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| 3.5mm Jack |  |  |  | 
| Radio | No | No | FM radio | 
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable | 
| Loud Speaker |  |  |  | 
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| Rear Camera | 16 MP, 5312 x 2988 pixels | 16 MP, 3456 x 4608 pixels, OIS | 12 MP, 4608 x 2592 pixels | 
| Flash | phase detection auto | LED Flash | Dual-LED (Dual Tone) | 
| Features | 1/2.6' Sensor Size, 1.12 �m Pixel Size, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face/smile Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama | Phase Detection Autofocus, f/2.0 aperture, Sony IMX378, EIS, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR | 
| Video | 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec. | 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec. | 2160p@30fps, 1080p@60fps, 720p@120fps, HDR | 
| Front Camera | 2 MP, 1080p@30fps, dual video call [Similar] | 5 MP, 1080p@30fps, dual video call, HDR [Similar] | 4 MP, 1080p, 2µm pixel [Similar] | 
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| GPRS | Yes | Yes | Yes | 
| Edge | Yes | Yes | Yes | 
| 3G | HSDPA, 42 Mbps; HSUPA; LTE, Cat6 300 Mbps DL | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | 
| Bluetooth | v4.0, A2DP, EDR, LE | v4.1, A2DP, LE, apt-X | v4.1, A2DP | 
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot | 
| USB | microUSB v3.0 (MHL 2.1), USB On-the-go, USB Host | microUSB v2.0 (MHL 3 TV-out), USB Host | Type-C 1.0 Reversible Connector, Qualcomm Quick Charge 3.0 | 
| GPS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS support, GLONASS, Beidou | 
| Browser | HTML5 | HTML5 | HTML5 | 
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| Internal | 16/32 GB, 2 GB RAM | 32/64/128 GB, 3 GB RAM | 64/128 GB, 3/4 GB RAM | 
| Expandable Storage | microSD, up to 128 GB | No | No | 
| USB OTG | Supported | Supported | - | 
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| Fingerprint |  |  |  | 
| Proximity Sensor |  |  |  | 
| Accelerometer Sensor |  |  |  | 
| NFC |  |  |  | 
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| Type | Li-Ion Battery | Non-removable Li-Ion Battery | Non-removable Li-Ion battery | 
| Capacity | 2800 mAh | 2550 mAh | 3200 mAh | 
| Stand by | - | - | - | 
| Talk Time | (2G) Up to 20 h (3G) | - | - |