Phone Comparison - Samsung Galaxy 551 vs Samsung Galaxy Ace 2
Samsung Galaxy 551.jpg)
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Samsung Galaxy Ace 2.jpg)
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| Manufacturer | Samsung | Samsung |
| Announced | October 2010 | February 2012 |
| Status | Available - Q4 2010 | Available - May 2012 |
| Colors | Black | Black |
| Form Factor | Candybar | Candybar |
| Dimension |
111 x 55 x 15.2 mm (4.37 x 2.17 x 0.6 in) |
118.3 x 62.2 x 10.5 mm (4.66 x 2.45 x 0.41 in) |
| Weight | 117 g (4.13 oz) | 122 g (4.3 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 HSDPA 850 / 2100 |
HSDPA 900 / 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.2 (Froyo), upgradable to v2.3.6 (Gingerbread) | Android OS, v2.3 |
| Processor | 600 MHz, Qualcomm MSM7227 [Similar] | Dual-core 800 MHz, NovaThor U8500 [Similar] |
| GPU | Adreno 200 [Similar] | Mali-400MP [Similar] |
| RAM | N/A | 768 MB [Browse Similar] |
| Internal Memory | 160 MB | 4 GB storage |
| External Memory | microSD, up to 32 GB, 1 GB included | microSD, up to 32GB |
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| Type | TFT capacitive touchscreen | PLS TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors |
| Size | 3.2 inches [Similar] | 3.8 inches [Similar] |
| Resolution | 240 x 400 pixels (146 ppi) | 480 x 800 pixels (246 ppi) [Similar] |
| Screen-to-Body Ratio | 47.59% | 55.64% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS |
| Games | Yes + Downloadable | Yes |
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| Rear Camera | 3.15 MP, 2048x1536 pixels [Similar] | 5 MP, 2592x1944 pixels [Similar] |
| Flash | No | LED flash |
| Features | Auto focus, | Auto focus, Geo-tagging, Face And Smile Detection |
| Video | Yes, QVGA@15fps | Yes, 720p@30fps |
| Front Camera | No [Similar] | Yes, VGA [Similar] |
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| GPRS | Class 10 (4+1/3+2 slots), 32 - 48 kbps | Yes |
| Edge | Class 12 | Yes |
| 3G | HSDPA, 7.2 Mbps; HSUPA | HSDPA, 14.4 Mbps |
| Bluetooth | Yes, v2.1 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 |
| USB | Yes, microUSB v2.0 | Yes, v2.0 microUSB |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS |
| Browser | HTML | HTML |
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| Internal | 160 MB | 4 GB storage, 768 MB RAM |
| Expandable Storage | microSD, up to 32 GB, 1 GB included | microSD, up to 32GB |
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| Accelerometer Sensor | |
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| Type | Li-Ion Battery | Standard battery, Li-Ion |
| Capacity | 1200 mAh | 1500 mAh |
| Stand by | Up to 520 h (2G) Up to 370 h (3G) |
Up to 670 h (2G) Up to 640 h (3G) |
| Talk Time | Up to 9 h (2G) Up to 5 h (3G) |
Up to 16 h 20 min (2G) Up to 7 h 30 min (3G) |
