Phone Comparison - Nokia Lumia 820 vs Samsung Galaxy Express 2 vs Micromax Canvas Turbo A250
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| Manufacturer | Nokia | Samsung | Micromax |
| Announced | Expected September 2012 | October 2013 | October 2013 |
| Status | Available - November 2012 | Available - October 2013 | Available - October 2013 |
| Colors | Black, Gray, Red, Yellow, White, Blue, Violet | Blue | Midnight Black, Pristine White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
123.8 x 68.5 x 9.9 mm (4.87 x 2.7 x 0.39 in) |
132.4 x 65.7 x 9.8 mm (5.21 x 2.59 x 0.39 in) |
128.3 x 71 x 8.6 mm (5.05 x 2.8 x 0.34 in) |
| Weight | 160 g (5.64 oz) | 134.2 g (4.73.0.07 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 2100 |
| 4G Network | LTE 800 / 1800 / 2600 / 2100/ 900 | LTE 800 / 900 / 1800 / 2600 | - |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - | Smart Gestures, Blow to Unlock, ifloat |
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| OS | Microsoft Windows Phone 8 | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2.1 (Jelly Bean) |
| Processor | Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon | Dual-core 1.7 GHz | Quad-core 1.5 GHz, MTK 6589T |
| GPU | Adreno 225 | - | PowerVR SGX544 |
| RAM | 1 GB | 1.5 GB | 2 GB |
| Internal Memory | 8 GB storage | 8 GB | 16 GB (12.47 GB user available, 0.98 GB for apps) |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | No |
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| Type | AMOLED capacitive touchscreen | Capacitive touchscreen | IPS LCD capacitive touchscreen, CGS (Continuous Grain Silicon) |
| Colors | 16M colors | 16M colors | 16.7M colors |
| Size | 4.3 inches | 4.5 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 540 x 960 pixels (245 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 62.04% | 64.05% | 75.51% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Stereo FM radio with RDS, FM 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 | 5 MP, 2592х1944 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization, Cinemagraph, Object Eraser |
| Video | Yes | Yes, 720p@30fps, stereo sound rec. | Yes, 1080p@30fps |
| Front Camera | Yes [Similar] | Yes [Similar] | Yes, 5 MP, 1080p [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, 21.1 Mbps; HSUPA, 5.76 Mbps, LTE | HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps |
| Bluetooth | Yes, v3.1 with A2DP, EDR | Yes, v4.0 with A2DP, EDR | Yes, v4.0 |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL) | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB storage, 1 GB RAM | 8 GB, 1.5 GB RAM | 16 GB (12.47 GB user available, 0.98 GB for apps), 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB | No |
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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 | 2100 mAh | 2000 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 |
