Phone Comparison - Xiaomi Redmi 2 vs Samsung Galaxy S6 vs Xiaomi Mi 4i
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| Price Comparison (India) | - | - | |
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| Manufacturer | Xiaomi | Samsung | Xiaomi |
| Announced | January 2015 | March 2015 | April 2015 |
| Status | Available - January 2015 | Available - April 2015 | Available - April 2015 |
| Price | Rs. 5,999 ($88.22) [Similarly Priced] | Rs. 29,999 ($441.16) [Similarly Priced] | Rs. 8,999 ($132.34) [Similarly Priced] |
| Colors | Black, White, Yellow, Pink, Green | White Pearl, Black Sapphire, Gold Platinum, Blue Topaz | Black, White, Blue, Yellow, Pink |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
134 x 67.2 x 9.4 mm (5.28 x 2.65 x 0.37 in) |
143.4 x 70.5 x 6.8 mm (5.65 x 2.78 x 0.27 in) |
138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in) |
| Weight | 133 g (4.69 oz) | 138 g (4.87 oz) | 130 g (4.59 oz) |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 1900 / 2100 TD-SCDMA 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41) | 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) |
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| OS | Android OS, v4.4 (KitKat) | Android OS, v5.0.2 (Lollipop) | Android OS, v5.0 (Lollipop) |
| Processor | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 | Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57, Exynos 7420 | Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 |
| GPU | Adreno 306 | Mali-T760 | Adreno 405 |
| RAM | 1 GB | 3 GB | 2 GB |
| Internal Memory | 8 GB | 32/64/128 GB | 16/32 GB |
| External Memory | microSD, up to 32 GB | No | No |
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| Type | IPS LCD Capacitive Touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 4 | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 5.1 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (312 ppi) | 1440 x 2560 pixels (577 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 67.83% | 70.66% | 71.57% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 16 MP, 3456 x 4608 pixels, OIS | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED Flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama | Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR |
| Video | Yes, 1080p | 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec. | 1080p@30fps |
| Front Camera | 2 MP, 720p [Similar] | 5 MP, 1080p@30fps, dual video call, HDR [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps | HSPA, LTE |
| Bluetooth | v4.0, A2DP | v4.1, A2DP, LE, apt-X | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot |
| USB | microUSB v2.0 | microUSB v2.0 (MHL 3 TV-out), USB Host | microUSB v2.0 |
| GPS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB, 1 GB RAM / 16 GB, 2 GB RAM | 32/64/128 GB, 3 GB RAM | 16/32 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | No | No |
| USB OTG | - | Supported | - |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Li-Po Battery | Non-removable Li-Ion Battery | Li-Po Battery |
| Capacity | 2200 mAh | 2550 mAh | 3120 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 33,900 
Rs. 33,900 
Rs. 33,700 
