Phone Comparison - Micromax Canvas Nitro A311 vs Samsung Galaxy Grand Neo Plus vs Microsoft Lumia 640 Dual SIM
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| Manufacturer | Micromax | Samsung | Microsoft |
| Announced | December 2014 | January 2015 | March 2015 |
| Status | Available - December 2014 | Available - January 2015 | Available - April 2015 |
| Price | Rs. 8,496 ($124.94) [Similarly Priced] | Rs. 7,999 ($117.63) [Similarly Priced] | Rs. 8,999 ($132.34) [Similarly Priced] |
| Colors | Pristine White, Mesmerising Blue | Black, White | Yes |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
143.7 x 77.1 x 9.5 mm (5.66 x 3.04 x 0.37 in) |
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) |
| Weight | - | 160 g (5.64 oz) | 145 g (5.11 oz) |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | Oleophobic Coating/ Anti-finger Print | - | - |
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| OS | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.2 (KitKat) | Microsoft Windows Phone 8.1 with Lumia Denim |
| Processor | Octa-core 1.7 GHz, Mediatek MT6592 | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 |
| GPU | Mali-450MP4 | - | Adreno 305 |
| RAM | 2 GB | 1 GB | 1 GB |
| Internal Memory | 16 GB (12.97 GB for mass storage) | 8 GB | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 128 GB |
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| Type | IPS LCD Capacitive Touchscreen | TFT Capacitive Touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.0 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 480 x 800 pixels (187 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | - | 63.94% | 67.43% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio with Recording | FM radio with RDS | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 5 MP, 2592 х 1944 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Sony IMX135 CMOS Sensor, f/2.2 Aperture, Geo-tagging, Touch Focus, Face Detection, HDR, Cinemagraph, Object Eraser | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama | Auto focus, 1/4'' Sensor Size |
| Video | Yes, 1080p@30fps | Yes | 1080p@30fps |
| Front Camera | Yes, 5 MP, 720p, OV5648 Sensor, f/2.4 Ap [Similar] | 2 MP [Similar] | 1 MP, 720p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | Yes | HSPA 42.2/5.76 Mbps |
| Bluetooth | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support | A-GPS, GLONASS | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB (12.97 GB for mass storage), 2 GB RAM | 8 GB, 1 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 128 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-Ion Battery | Li-Ion Battery |
| Capacity | 2500 mAh | 2100 mAh | 2500 mAh |
| Stand by | Up to 320 h | - | Up to 840 h (2G) Up to 840 h (3G) |
| Talk Time | Up to 10 h | Up to 11 h (3G) | Up to 27 h 30 min (2G) Up to 20 h 30 min (3G) |
