Phone Comparison - Samsung Galaxy Grand Duos I9082 vs Samsung I9506 Galaxy S4 vs Microsoft Lumia 640 LTE
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| Manufacturer | Samsung | Samsung | Microsoft |
| Announced | December 2012 | Q3 2013 | March 2015 |
| Status | Available - January 2013 | Available - Q3 2013 | Available - April 2015 |
| Price | - | - | Rs. 7,999 ($117.63) [Similarly Priced] |
| Colors | Black, White | White Frost, Black Mist / Arctic Blue, Red Aurora | Yes |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
143.5 x 76.9 x 9.6 mm (5.65 x 3.03 x 0.38 in) |
136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in) |
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) |
| Weight | 162 g (5.71 oz) | 130 g (4.59 oz) | 145 g (5.11 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 1900 / 2100 - SIM 1 only HSDPA 900 / 1900 / 2100 - SIM 1 only |
HSDPA 850 / 900 / 1900 / 2100 HSDPA | HSDPA 850 / 900 / 2100 |
| 4G Network | - | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.1.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) | Microsoft Windows Phone 8.1 with Lumia Denim |
| Processor | Dual-core 1.2 GHz Cortex-A9, Broadcom | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 |
| GPU | Broadcom VideoCore IV | Adreno 330 | Adreno 305 |
| RAM | 1 GB | 2 GB | 1 GB |
| Internal Memory | 8 GB | 16/32 GB | 8 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 128 GB |
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| Type | Capacitive touchscreen | Super AMOLED 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 | 480 x 800 pixels (187 ppi) | 1080 x 1920 pixels (441 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 64.20% | 72.15% | 67.43% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | No | FM radio |
| 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 | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR | Auto focus, 1/4'' Sensor Size |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps, dual-video rec. | 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | Yes, 2 MP,1080p@30fps, dual video call [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 | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, LE, EDR | Yes, v4.0 with A2DP, EDR, LE | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host | microUSB v2.0 |
| GPS | Yes, with A-GPS, support and GLONASS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB, 1 GB RAM | 16/32 GB, 2 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 128 GB |
| USB OTG | - | 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 | Standard battery, Li-Ion | Li-Ion Battery | Li-Ion Battery |
| Capacity | 2100 mAh | 2600 mAh | 2500 mAh |
| Stand by | Up to 440 h | Up to 370 h (3G) | Up to 864 h (2G) Up to 864 h (3G) |
| Talk Time | Up to 10 h 10 min | Up to 17 h (3G) | Up to 26 h 30 min (2G) Up to 17 h 30 min (3G) |
