Phone Comparison - Samsung Galaxy Y Duos vs Huawei Ascend W1 vs Nokia Lumia 520
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| Manufacturer | Samsung | Huawei | Nokia |
| Announced | December 2011 | January 2013 | February 2013 |
| Status | Available - February 2012 | Available - January 2013 | Available - April 2013 |
| Colors | Black | Blue, white, pink, black | Yellow, red, cyan, white/black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
109.8 x 60 x 12 mm (4.32 x 2.36 x 0.47 in) |
124.5 x 63.7 x 10.5 mm (4.9 x 2.51 x 0.41 in) |
119.9 x 64 x 9.9 mm (4.72 x 2.52 x 0.39 in) |
| Weight | 109 g (3.84 oz) | 130 g (4.59 oz) | 124 g (4.37 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 900 / 2100 HSDPA 850 / 1700 / 1900 / 2100 |
HSDPA 900 / 2100 HSDPA 850 / 1900 / 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v2.3 (Gingerbread) | Microsoft Windows Phone 8 | Microsoft Windows Phone 8 |
| Processor | Dual-core 1.2 GHz Krait, Qualcomm Snapdragon S4 | Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4 | |
| GPU | Adreno 305 | Adreno 305 | |
| RAM | 384 MB | 512 MB | 512 MB |
| Internal Memory | 512 MB ROM | 4 GB | 8 GB storage |
| External Memory | microSD, up to 32GB, 2 GB included | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | TFT capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 256K colors | 16M colors | 16M colors |
| Size | 3.14 inches | 4.0 inches | 4.0 inches |
| Resolution | 240 x 320 pixels (127 ppi) | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | 46.63% | 57.54% | 59.47% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | No | FM Radio |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 3.15 MP, 2048x1536 pixels | 5 MP, 2592х1944 pixels | 5 MP, 2592х1944 pixels |
| Flash | No | LED flash | No |
| Features | Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging |
| Video | Yes, QVGA@24fps | Yes, 720p@30fps | Yes, 720p@30fps |
| Front Camera | No [Similar] | Yes, VGA [Similar] | No [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 7.2 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v2.1 with A2DP, EDR | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n |
| USB | Yes, microUSB v2.0 | 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 | 512 MB ROM, 384 MB RAM | 4 GB, 512 MB RAM | 8 GB storage, 512 MB RAM |
| Expandable Storage | microSD, up to 32GB, 2 GB included | microSD, up to 32 GB | 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 | Standard battery, Li-Po | Li-Ion Battery |
| Capacity | 1300 mAh | 1950 mAh | 1430 mAh |
| Stand by | Up to 460 hours (2G) Up to 470 hours (3G) |
Up to 384 h (3G) Up to 360 h (3G) |
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| Talk Time | Up to 8 h (2G) Up to 10 h 30 min(3G) |
Up to 17 h 24 min (2G) Up to 9 h 42 min (3G) |
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