Phone Comparison - Samsung I929 Galaxy S II Duos vs Nokia Lumia 525 vs Nokia Lumia 630 Dual SIM
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| Manufacturer | Samsung | Nokia | Nokia |
| Announced | December 2011 | November 2013 | April 2014 |
| Status | Available - September 2012 | Available - January 2014 | Available - May 2014 |
| Colors | Black | Yellow, orange, white, black | Green, yellow, white, black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
129.8 x 68.9 x 9.7 mm (5.11 x 2.71 x 0.38 in) |
119.9 x 64 x 9.9 mm (4.72 x 2.52 x 0.39 in) |
129.5 x 66.7 x 9.2 mm (5.1 x 2.63 x 0.36 in) |
| Weight | 138 g (4.87 oz) | 124 g (4.37 oz) | 134 g (4.73 oz) |
| 2G Network | GSM 900 / 1800 / 1900 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 HSDPA 850 / 1900 / 2100 |
HSDPA 900 / 2100 | |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | Super sensitive touch for finger nail and glove use, Changeable backcover | - |
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| OS | Android OS, v2.3.5 (Gingerbread) | Microsoft Windows Phone 8 | Microsoft Windows Phone 8.1 |
| Processor | Dual-core 1.2 GHz, Qualcomm MSM8660 Snapdragon | Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4 | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 |
| GPU | Adreno 220 | Adreno 305 | - |
| RAM | 1 GB | 1 GB | 512 MB |
| Internal Memory | 16 GB | 8 GB ROM | 8 GB ROM |
| External Memory | microSD, up to 32GB | microSD, up to 64 GB | microSD, up to 128 GB |
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| Type | Super AMOLED Plus capacitive touchscreen | IPS LCD Capacitive Touchscreen, 2D Hardened Glass | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.52 inches | 4.0 inches | 4.5 inches |
| Resolution | 480 x 800 pixels (206 ppi) | 480 x 800 pixels (233 ppi) | 480 x 854 pixels (218 ppi) |
| Screen-to-Body Ratio | 65.28% | 59.47% | 64.43% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM Radio | FM radio |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 5 MP, 2592х1944 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | LED flash | No | No |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face Detection, Nokia Smart Camera, Cinemagraph lens, Panorama lens, Bing vision | Auto focus, 1/4' Sensor Size, Geo-tagging, Panorama |
| Video | Yes, 1080p@30fps | Yes, 720p@30fps | Yes, 720p@30fps |
| Front Camera | Yes, 2 MP [Similar] | No [Similar] | No [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | Rev. A, up to 3.1 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot |
| USB | Yes, v2.0 microUSB (MHL), USB On-the-go | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS |
| Browser | HTML, Adobe Flash | HTML5 | HTML5 |
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| Internal | 16GB, 1 GB RAM | 8 GB ROM, 1 GB RAM | 8 GB ROM, 512 MB RAM |
| Expandable Storage | microSD, up to 32GB | 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 (BL-5H) |
| Capacity | 1800 mAh | 1430 mAh | 1830 mAh |
| Stand by | - | Up to 336 h | Up to 648 h |
| Talk Time | - | Up to 16 h 54 min (2G) Up to 10 h 36 min (3G) |
Up to 16 h 24 min (2G) Up to 13 h 6 min (3G) |
