Phone Comparison - Nokia Lumia 820 vs Xiaomi Mi 4
Nokia Lumia 820.jpg)
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Xiaomi Mi 4.jpg)
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| Manufacturer | Nokia | Xiaomi |
| Announced | Expected September 2012 | July 2014 |
| Status | Available - November 2012 | Available - Q3 2014 |
| Colors | Black, Gray, Red, Yellow, White, Blue, Violet | Black, White |
| Form Factor | Candybar | Candybar |
| Dimension |
123.8 x 68.5 x 9.9 mm (4.87 x 2.7 x 0.39 in) |
139.2 x 68.5 x 8.9 mm (5.48 x 2.7 x 0.35 in) |
| Weight | 160 g (5.64 oz) | 149 g (5.26 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE 800 / 1800 / 2600 / 2100/ 900 | LTE |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Microsoft Windows Phone 8 | Android OS, v4.4.3 (KitKat) |
| Processor | Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon [Similar] | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 [Similar] |
| GPU | Adreno 225 [Similar] | Adreno 330 [Similar] |
| RAM | 1 GB [Browse Similar] | 3 GB [Browse Similar] |
| Internal Memory | 8 GB storage | 16/64 GB |
| External Memory | microSD, up to 32 GB | No |
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| Type | AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors |
| Size | 4.3 inches [Similar] | 5.0 inches [Similar] |
| Resolution | 480 x 800 pixels (217 ppi) [Similar] | 1080 x 1920 pixels (441 ppi) [Similar] |
| Screen-to-Body Ratio | 62.04% | 72.14% |
| Multi-Touch |  |
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| Radio | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable |
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| Rear Camera | 8 MP, 3264x2448 pixels, Carl Zeiss Tessa [Similar] | 13 MP, 4128 x 3096 pixels [Similar] |
| Flash | LED flash | Dual-LED Flash |
| Features | Auto focus, Geo-tagging | Auto focus, 1/3' Sensor Size, 1.12µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR |
| Video | Yes | 2160p, 1080p@30fps, HDR |
| Front Camera | Yes [Similar] | 8 MP, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes |
| Edge | Yes | Yes |
| 3G | HSDPA, 42 Mbps HSUPA, 5.76 Mbps LTE, Cat3, 50 Mbps UL, 100 Mbps DL |
DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE |
| Bluetooth | Yes, v3.1 with A2DP, EDR | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 (MHL), USB On-the-go |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 |
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| Internal | 8 GB storage, 1 GB RAM | 16/64 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 32 GB | No |
| USB OTG | - | Supported |
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| Accelerometer Sensor | |
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| Type | Standard battery, Li-Ion | Non-removable Li-Ion Battery |
| Capacity | 1650 mAh | 3080 mAh |
| Stand by | Up to 330 h (2G) Up to 330 h (3G) |
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| Talk Time | Up to 14 h (2G) Up to 8 h (3G) |
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