Phone Comparison - Samsung Galaxy Grand Duos I9082 vs Apple iPad Air 2 vs Microsoft Lumia 540 Dual SIM
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| Manufacturer | Samsung | Apple | Microsoft |
| Announced | December 2012 | October 2014 | April 2015 |
| Status | Available - January 2013 | Available - October 2014 | Available - May 2015 |
| Price | - | Rs. 30,150 ($443.38) [Similarly Priced] | Rs. 8,100 ($119.12) [Similarly Priced] |
| Colors | Black, White | Space Gray, Silver, Gold | Orange, white, black, cyan |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
143.5 x 76.9 x 9.6 mm (5.65 x 3.03 x 0.38 in) |
240 x 169.5 x 6.1 mm (9.45 x 6.67 x 0.24 in) |
144 x 73.7 x 9.4 mm (5.67 x 2.9 x 0.37 in) |
| Weight | 162 g (5.71 oz) | 437 g / 444 g (15.41 oz / 15.66 oz) | 152 g (5.36 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 900 / 2100 |
| 4G Network | - | LTE | - |
| Messaging | SMS, MMS, EMail, IM | , Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - Fingerprint sensor (Touch ID) | - |
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| OS | Android OS, v4.1.2 (Jelly Bean) | iOS 8.1 | Microsoft Windows Phone 8.1 with Lumia Denim |
| Processor | Dual-core 1.2 GHz Cortex-A9, Broadcom | Dual-core 1.3 GHz Cyclone (ARM v8-based), Apple A8X | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 200 |
| GPU | Broadcom VideoCore IV | PowerVR G6430 (quad-core graphics) | Adreno 302 |
| RAM | 1 GB | 1 GB | 1 GB |
| Internal Memory | 8 GB | 16/64/128 GB | 8 GB |
| External Memory | microSD, up to 64 GB | No | microSD, up to 128 GB |
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| Type | Capacitive touchscreen | LED-backlit IPS LCD, capacitive touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 9.7 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (187 ppi) | 1536 x 2048 pixels (264 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 64.20% | 71.58% | 64.82% |
| 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 | 5 MP, 3264 x 2448 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | No | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, 1.12µm Pixel Size, Geo-tagging, Touch Focus, Face/smile Detection, HDR (photo/panorama) | Auto focus, Sensor size: 1/4 inch, f/2.2 aperture |
| Video | Yes, 1080p@30fps | 1080p@30fps | 480p@30fps |
| Front Camera | Yes, 2 MP [Similar] | 1.2 MP, 720p@30fps, face detection, Face [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Up to 236 kbps |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps, LTE, 150 Mbps; EV-DO Rev. A, up to 3.1 Mbps | HSPA 42.2/5.76 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, LE, EDR | v4.0, A2DP, EDR | 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, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS, support and GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 (Safari) | HTML5 |
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| Internal | 8 GB, 1 GB RAM | 16/64/128 GB, 1 GB RAM DDR3 | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 64 GB | No | 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 | Non-removable Li-Po Battery (32.4 Wh) | Li-Ion Battery |
| Capacity | 2100 mAh | 8600 mAh | 2200 mAh |
| Stand by | Up to 440 h | - | Up to 576 h |
| Talk Time | Up to 10 h 10 min | Up to 10 h (multimedia) | Up to 26.2 h (2G) Up to 14.8 h (3G) |
