Phone Comparison - Samsung Galaxy Ace vs Samsung Galaxy Ace 2 vs Samsung Galaxy Ace Duos
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | January 2011 | February 2012 | May 2012 |
| Status | Available - February 2011 | Available - May 2012 | Available - June 2012 |
| Colors | Black, Hugo Boss Edition | Black | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
112.4 x 59.9 x 11.5 mm (4.43 x 2.36 x 0.45 in) |
118.3 x 62.2 x 10.5 mm (4.66 x 2.45 x 0.41 in) |
112.7 x 61.5 x 11.5 mm (4.44 x 2.42 x 0.45 in) |
| Weight | 113 g (3.99 oz) | 122 g (4.3 oz) | 122 g (4.3 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 900 / 2100 | HSDPA 900 / 2100 |
| Messaging | SMS, MMS | SMS, MMS, EMail, IM | SMS, MMS |
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| OS | Android OS, v2.2 (Froyo), upgradable to v2.3 | Android OS, v2.3 | Android OS, v2.3 (Gingerbread) |
| Processor | 800 MHz ARM 11 processor, Qualcomm MSM7227 chipset | Dual-core 800 MHz, NovaThor U8500 | 832 MHz |
| GPU | Adreno 200 | Mali-400MP | |
| RAM | N/A | 768 MB | N/A |
| Internal Memory | 158 MB storage | 4 GB storage | 3 GB storage, 512 MB |
| External Memory | microSD, up to 32GB, 2GB included, 280MB RAM | microSD, up to 32GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | PLS TFT capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.5 inches | 3.8 inches | 3.5 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 480 x 800 pixels (246 ppi) | 320 x 480 pixels (165 ppi) |
| Screen-to-Body Ratio | 54.06% | 55.64% | 52.52% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | Stereo FM radio with RDS |
| Games | Yes | Yes | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 5 MP, 2592x1944 pixels | 5 MP, 2592x1944 pixels |
| Flash | LED flash | LED flash | No |
| Features | Auto focus, Geo-tagging, Face And Smile Detection | Auto focus, Geo-tagging, Face And Smile Detection | Auto focus, Geo-tagging |
| Video | Yes, QVGA@15fps | Yes, 720p@30fps | Yes |
| 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, 14.4 Mbps | HSDPA, 7.2 Mbps |
| Bluetooth | Yes, v2.1 with A2DP | Yes, v3.0 with A2DP | Yes, v3.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, v2.0 microUSB | Yes, v2.0 microUSB | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support |
| Browser | HTML | HTML | HTML |
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| Internal | 158 MB storage | 4 GB storage, 768 MB RAM | 3GB storage, 512 MB |
| Expandable Storage | microSD, up to 32GB, 2GB included, 280MB RAM | microSD, up to 32GB | microSD, up to 32 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 | Standard battery, Li-Ion |
| Capacity | 1350 mAh | 1500 mAh | 1300 mAh |
| Stand by | Up to 640 h (2G) Up to 420 h (3G) |
Up to 670 h (2G) Up to 640 h (3G) |
Up to 520 h (2G) Up to 410 h (3G) |
| Talk Time | Up to 11 h (2G) Up to 6 h 30 min (3G) |
Up to 16 h 20 min (2G) Up to 7 h 30 min (3G) |
Up to 6 h 30 min (2G) Up to 16 h 40 min (3G) |
