Phone Comparison - Samsung Galaxy J1 vs Xiaomi Redmi 2 vs Lenovo A3900
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| Manufacturer | Samsung | Xiaomi | Lenovo |
| Announced | January 2015 | January 2015 | April 2015 |
| Status | Available - January 2015 | Available - January 2015 | Available - April 2015 |
| Price | Rs. 5,850 ($86.03) [Similarly Priced] | Rs. 5,999 ($88.22) [Similarly Priced] | Rs. 5,450 ($80.00) [Similarly Priced] |
| Colors | Blue, Black, White | Black, White, Yellow, Pink, Green | Black and Pearl White, Silver |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
129 x 68.2 x 8.9 mm (5.08 x 2.69 x 0.35 in) |
134 x 67.2 x 9.4 mm (5.28 x 2.65 x 0.37 in) |
142.8 x 71.8 x 8.95 mm (5.62 x 2.83 x 0.35 in) |
| Weight | 122 g (4.3 oz) | 133 g (4.69 oz) | 157 g (5.54 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 (single or dual SIM) HSDPA 850 / 2100 (dual SIM) |
HSDPA 850 / 1900 / 2100 TD-SCDMA 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 2300 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.4.x (KitKat) | Android OS, v4.4 (KitKat) | Android OS, v4.4.4 (KitKat) |
| Processor | Dual-core 1.2 GHz Cortex-A7 | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 | Octa-core 1.2 GHz Cortex-A53, Mediatek MT6752 |
| GPU | - | Adreno 306 | Mali-T760 |
| RAM | 512 MB | 1 GB | 512 MB |
| Internal Memory | 4 GB | 8 GB | 4 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | TFT Capacitive Touchscreen | IPS LCD Capacitive Touchscreen | TFT Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 4.7 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 720 x 1280 pixels (312 ppi) | 480 x 854 pixels (196 ppi) |
| Screen-to-Body Ratio | 59.80% | 67.83% | 67.14% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM Radio | Yes |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 х 1944 pixels | 8 MP, 3264 x 2448 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | LED Flash | LED flash | LED Flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR | - |
| Video | 720p@30fps | Yes, 1080p | Yes |
| Front Camera | 2 MP [Similar] | 2 MP, 720p [Similar] | 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA | HSPA, LTE Cat4 150/50 Mbps | HSPA, LTE Cat4 150/50 Mbps |
| Bluetooth | v4.0, A2DP | v4.0, A2DP | v4.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB, 512 MB RAM | 8 GB, 1 GB RAM / 16 GB, 2 GB RAM | 4 GB, 512 MB RAM |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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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-Ion Battery | Li-Po Battery | Li-Po Battery |
| Capacity | 1850 mAh | 2200 mAh | 2300 mAh |
| Stand by | - | - | - |
| Talk Time | Up to 10 h (3G) | - | - |
