Phone Comparison - Samsung Galaxy Ace Duos I589 vs Samsung Galaxy Ace Duos vs Nokia Lumia 520
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| Manufacturer | Samsung | Samsung | Nokia |
| Announced | February 2012 | May 2012 | February 2013 |
| Status | Available - February 2012 | Available - June 2012 | Available - April 2013 |
| Colors | Black | Black | Yellow, red, cyan, white/black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
112.4 x 59.9 x 12.5 mm (4.43 x 2.36 x 0.49 in) |
112.7 x 61.5 x 11.5 mm (4.44 x 2.42 x 0.45 in) |
119.9 x 64 x 9.9 mm (4.72 x 2.52 x 0.39 in) |
| Weight | 122 g (4.3 oz) | 122 g (4.3 oz) | 124 g (4.37 oz) |
| 2G Network | CDMA 800 / 1900 GSM 900 / 1800 |
GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network | CDMA2000 1xEV-DO | HSDPA 900 / 2100 | HSDPA 900 / 2100 HSDPA 850 / 1900 / 2100 |
| Messaging | SMS, MMS | SMS, MMS | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v2.2 (Froyo) | Android OS, v2.3 (Gingerbread) | Microsoft Windows Phone 8 |
| Processor | 800 MHz, Qualcomm MSM7627 | 832 MHz | Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4 |
| GPU | Adreno 305 | ||
| RAM | N/A | N/A | 512 MB |
| Internal Memory | N/A | 3 GB storage, 512 MB | 8 GB storage |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | TFT capacitive touchscreen | TFT capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.5 inches | 3.5 inches | 4.0 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 320 x 480 pixels (165 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | 54.06% | 52.52% | 59.47% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | FM Radio |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 3.15 MP, 2048x1536 pixels | 5 MP, 2592x1944 pixels | 5 MP, 2592х1944 pixels |
| Flash | No | No | No |
| Features | Geo-tagging | Auto focus, Geo-tagging | Auto focus, Geo-tagging |
| Video | Yes | Yes | Yes, 720p@30fps |
| Front Camera | No [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, 7.2 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v3.0 with A2DP | 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 hotspot | Wi-Fi 802.11 b/g/n |
| USB | Yes, v2.0 microUSB | 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 | HTML | HTML | HTML5 |
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| Internal | 3GB storage, 512 MB | 8 GB storage, 512 MB RAM | |
| Expandable Storage | microSD, up to 32 GB | 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-Ion | Li-Ion Battery |
| Capacity | 1650 mAh | 1300 mAh | 1430 mAh |
| Stand by | Up to 520 h (2G) Up to 410 h (3G) |
Up to 384 h (3G) Up to 360 h (3G) |
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| Talk Time | Up to 6 h 30 min (2G) Up to 16 h 40 min (3G) |
Up to 17 h 24 min (2G) Up to 9 h 42 min (3G) |
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