Phone Comparison - Nokia Lumia 820 vs Micromax Canvas Turbo A250 vs Samsung Galaxy Grand 2
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| Manufacturer | Nokia | Micromax | Samsung |
| Announced | Expected September 2012 | October 2013 | November 2013 |
| Status | Available - November 2012 | Available - October 2013 | Available - Q4 2013 |
| Colors | Black, Gray, Red, Yellow, White, Blue, Violet | Midnight Black, Pristine White | Black, White, Pink |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
123.8 x 68.5 x 9.9 mm (4.87 x 2.7 x 0.39 in) |
128.3 x 71 x 8.6 mm (5.05 x 2.8 x 0.34 in) |
146.8 x 75.3 x 8.9 mm (5.78 x 2.96 x 0.35 in) |
| Weight | 160 g (5.64 oz) | - | 163 g (5.75 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SM-G7100 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - G7102 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE 800 / 1800 / 2600 / 2100/ 900 | - | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - SM-G7105 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | Smart Gestures, Blow to Unlock, ifloat | - |
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| OS | Microsoft Windows Phone 8 | Android OS, v4.2.1 (Jelly Bean) | Android OS, v4.3 (Jelly Bean) |
| Processor | Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon | Quad-core 1.5 GHz, MTK 6589T | Quad-core 1.2 GHz Cortex-A7 |
| GPU | Adreno 225 | PowerVR SGX544 | - |
| RAM | 1 GB | 2 GB | 1.5 GB |
| Internal Memory | 8 GB storage | 16 GB (12.47 GB user available, 0.98 GB for apps) | 8 GB |
| External Memory | microSD, up to 32 GB | No | microSD, up to 64 GB |
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| Type | AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen, CGS (Continuous Grain Silicon) | TFT capacitive touchscreen |
| Colors | 16M colors | 16.7M colors | 16M colors |
| Size | 4.3 inches | 5.0 inches | 5.25 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 1080 x 1920 pixels (441 ppi) | 720 x 1280 pixels (280 ppi) |
| Screen-to-Body Ratio | 62.04% | 75.51% | 68.61% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM Radio with Recording | FM Radio with Recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels, Carl Zeiss Tessa | 13 MP, 4128 x 3096 pixels | 8 MP, 3264x2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization, Cinemagraph, Object Eraser | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization |
| Video | Yes | Yes, 1080p@30fps | Yes, 1080p@30fps, stereo sound rec. |
| Front Camera | Yes [Similar] | Yes, 5 MP, 1080p [Similar] | Yes, 1.9 MP, 720p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42 Mbps HSUPA, 5.76 Mbps LTE, Cat3, 50 Mbps UL, 100 Mbps DL |
HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.1 with A2DP, EDR | Yes, v4.0 | Yes, v4.0 with A2DP, LE, EDR |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot, DLNA |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS, support and GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB storage, 1 GB RAM | 16 GB (12.47 GB user available, 0.98 GB for apps), 2 GB RAM | 8 GB, 1.5 GB RAM |
| Expandable Storage | microSD, up to 32 GB | No | microSD, up to 64 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 | 1650 mAh | 2000 mAh | 2600 mAh |
| Stand by | Up to 330 h (2G) Up to 330 h (3G) |
Up to 105 h | - |
| Talk Time | Up to 14 h (2G) Up to 8 h (3G) |
Up to 7 h | Up to 17 h |
