Phone Comparison - Nokia Lumia 638 vs Samsung Galaxy J1 vs Lenovo A5000
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| Manufacturer | Nokia | Samsung | Lenovo |
| Announced | December 2014 | January 2015 | February 2015 |
| Status | Available - December 2014 | Available - January 2015 | Available - April 2015 |
| Price | Rs. 7,999 ($117.63) [Similarly Priced] | Rs. 5,850 ($86.03) [Similarly Priced] | Rs. 7,099 ($104.40) [Similarly Priced] |
| Colors | Black | Blue, Black, White | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
129.5 x 66.7 x 9.2 mm (5.1 x 2.63 x 0.36 in) |
129 x 68.2 x 8.9 mm (5.08 x 2.69 x 0.35 in) |
140 x 71.4 x 10 mm (5.51 x 2.81 x 0.39 in) |
| Weight | 136 g (4.8 oz) | 122 g (4.3 oz) | 160 g (5.64 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 (single or dual SIM) HSDPA 850 / 2100 (dual SIM) |
HSDPA 900 / 2100 |
| 4G Network | LTE 1800 / 1900 / 2100 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41) | - | - |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Microsoft Windows Phone 8.1 | Android OS, v4.4.x (KitKat) | Android OS, v4.4.2 (KitKat) |
| Processor | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 | Dual-core 1.2 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7, Mediatek MT6582 |
| GPU | Adreno 305 | - | Mali-400MP2 |
| RAM | 1 GB | 512 MB | 1 GB |
| Internal Memory | 8 GB | 4 GB | 8 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen, Corning Gorilla Glass 3, ClearBlack Display | TFT Capacitive Touchscreen | IPS capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.5 inches | 4.3 inches | 5.0 inches |
| Resolution | 480 x 854 pixels (218 ppi) | 480 x 800 pixels (217 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 64.43% | 59.80% | 68.82% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | - | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 х 1944 pixels | 5 MP, 2592 х 1944 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | No | LED Flash | LED flash |
| Features | Auto focus, 1/4 | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes | 720p@30fps | Yes |
| Front Camera | No [Similar] | 2 MP [Similar] | 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA | HSPA 21.1/5.76 Mbps |
| Bluetooth | v4.0, A2DP, LE/ apt-X after WP8 Denim update | v4.0, A2DP | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, hotspot |
| USB | microUSB v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 8 GB, 1 GB RAM | 4 GB, 512 MB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 128 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 (BL-5H) | Li-Ion Battery | Non-removable Li-Po Battery |
| Capacity | 1830 mAh | 1850 mAh | 4000 mAh |
| Stand by | - | - | Up to 768 h (2G) Up to 804 h (3G) |
| Talk Time | - | Up to 10 h (3G) | Up to 35 h (2G) Up to 17 h (3G) |
