Phone Comparison - Samsung Galaxy Grand Duos I9082 vs Microsoft Lumia 640 XL LTE Dual SIM vs Samsung Galaxy J7
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Microsoft | Samsung |
| Announced | December 2012 | March 2015 | June 2015 |
| Status | Available - January 2013 | Available - April 2015 | Available - June 2015 |
| Price | - | Rs. 14,999 ($220.57) [Similarly Priced] | Rs. 13,400 ($197.06) [Similarly Priced] |
| Colors | Black, White | Matte cyan, Orange, Black, Matte white, Glossy white | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
143.5 x 76.9 x 9.6 mm (5.65 x 3.03 x 0.38 in) |
157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in) |
152.4 x 78.6 x 7.5 mm (6 x 3.09 x 0.3 in) |
| Weight | 162 g (5.71 oz) | 171 g (6.03 oz) | 171 g (6.03 oz) |
| 2G Network | GSM 850 / 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 850 / 1900 / 2100 - SIM 1 only HSDPA 900 / 1900 / 2100 - SIM 1 only |
HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | - | LTE | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.1.2 (Jelly Bean) | Microsoft Windows Phone 8.1 with Lumia Denim | Android OS, v5.1 (Lollipop) |
| Processor | Dual-core 1.2 GHz Cortex-A9, Broadcom | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 | Octa-core 1.2 GHz, Exynos 7580 |
| GPU | Broadcom VideoCore IV | Adreno 305 | Mali-T720 |
| RAM | 1 GB | 1 GB | 1.5 GB |
| Internal Memory | 8 GB | 8 GB | 16 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 128 GB | microSD, up to 128 GB |
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| Type | Capacitive touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display | Super AMOLED Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.7 inches | 5.5 inches |
| Resolution | 480 x 800 pixels (187 ppi) | 720 x 1280 pixels (259 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 64.20% | 68.88% | 69.63% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | FM radio with RDS; recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED Flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Carl Zeiss Optics, 1/3'' sensor size | Auto focus, Geo-tagging, Touch Focus, Beauty Face, Continuous Shots, Sensor Size: 1/3.06-inch, F1.9, Interval Shot, Panorama, Sports Mode, Sound and Shot Mode |
| Video | Yes, 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | 5 MP, 1080p [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, LE, EDR | v4.0, A2DP | v4.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS, support and GLONASS | 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 | 8 GB, 1 GB RAM | 16 GB, 1.5 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 128 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 | Standard battery, Li-Ion | Li-Ion Battery | Li-Ion Battery |
| Capacity | 2100 mAh | 3000 mAh | 3000 mAh |
| Stand by | Up to 440 h | Up to 936 h (2G) Up to 936 h (3G) |
Up to 354 h |
| Talk Time | Up to 10 h 10 min | Up to 31 h 20 min (2G) Up to 23 h 40 min (3G) |
Up to 18 h (3G) |
Rs. 14,249 
Rs. 14,190 
