Phone Comparison - Microsoft Lumia 640 LTE vs Motorola Moto E4 vs Samsung Galaxy J2 (2017)
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| Manufacturer | Microsoft | Motorola | Samsung |
| Announced | March 2015 | June 2017 | October 2017 |
| Status | Available - April 2015 | Coming Soon | Available - October 2017 |
| Price | Rs. 7,999 ($117.63) [Similarly Priced] | Rs. 8,400 ($129.99) [Similarly Priced] | Rs. 7,390 ($120.00) [Similarly Priced] |
| Colors | Yes | Licorice Black, Fine Gold | Metallic Gold, Absolute Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) |
144.5 x 72 x 9.3 mm (5.69 x 2.83 x 0.37 in) |
136.5 x 69 x 8.4mm (5.37 x 2.72 x 0.33in) |
| Weight | 145 g (5.11 oz) | 150 g (5.29 oz) | 130 g (4.59 oz) |
| SIM Type | - | Dual-SIM | Dual-SIM |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 - CDMA version |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO - CDMA version |
HSDPA 850 / 900 / 1900 / 2100 - J320F, J3109 |
| 4G Network | LTE | LTE | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - J320F |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - Water resistant Nano Coating - Fast Charging |
- Smart Manager |
| Notification LED | - | No | No |
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| OS | Microsoft Windows Phone 8.1 with Lumia Denim | Android OS, v7.1 (Nougat) | Android OS, v7.1 (Nougat) |
| Processor | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 | Quad-core 1.4 GHz, Qualcomm MSM8917 Snapdragon 425 | Quad-core 1.3 GHz Cortex-A7, Exynos |
| GPU | Adreno 305 | Adreno 308 | Mali-400MP2 |
| RAM | 1 GB | 2 GB | 1 GB |
| Internal Memory | 8 GB | 16 GB | 8 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 128 GB (dedicated slot) |
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| Type | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display | IPS LCD Capacitive Touchscreen, 2.5D Full Lamination Glass | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.0 inches | 4.7 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 720 x 1280 pixels (294 ppi) | 540 x 960 pixels (234 ppi) |
| Screen-to-Body Ratio | 67.43% | 66.12% | 64.85% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM Radio | FM radio, RDS, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 8 MP, 3264 x 2448 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | LED flash | LED Flash | LED Flash |
| Features | Auto focus, 1/4'' Sensor Size | Autofocus, f/2.2 aperture, Burst mode, Auto HDR, Panorama, Geo-tagging, Touch Focus, Face Detection | Autofocus, Geo-tagging, Touch Focus, Face Detection |
| Video | 1080p@30fps | 1080p@30fps | 720p@30fps |
| Front Camera | 1 MP, 720p [Similar] | 5 MP, f/2.2 [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 | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps, VoLTE | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE |
| Bluetooth | v4.0, A2DP | Yes, v4.0 with A2DP | v4.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | microUSB v2.0, USB OTG | microUSB v2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS and GLONASS | Yes, with A-GPS, GLONASS/ BDS (region dependent) |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB, 1 GB RAM | 16 GB, 2 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 128 GB (dedicated slot) |
| USB OTG | - | Supported | 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-Ion Battery | Removable Li-Ion Battery | Removable Li-Ion Battery |
| Capacity | 2500 mAh | 2800 mAh | 2000 mAh battery |
| Stand by | Up to 864 h (2G) Up to 864 h (3G) |
- | - |
| Talk Time | Up to 26 h 30 min (2G) Up to 17 h 30 min (3G) |
- | Up to 14 h (3G) |
