Phone Comparison - Samsung Galaxy Ace 2 vs Nokia Lumia 620 vs Huawei Ascend G615
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| Manufacturer | Samsung | Nokia | Huawei |
| Announced | February 2012 | December 2012 | January 2013 |
| Status | Available - May 2012 | Available - January 2013 | Available - March 2013 |
| Colors | Black | Lime green, orange, magenta, yellow, cyan, white, black | Metallic black, Ceramic white |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
118.3 x 62.2 x 10.5 mm (4.66 x 2.45 x 0.41 in) |
115.4 x 61.1 x 11 mm (4.54 x 2.41 x 0.43 in) |
134 x 67.5 x 10.5 mm (5.28 x 2.66 x 0.41 in) |
| Weight | 122 g (4.3 oz) | 127 g (4.48 oz) | 145 g (5.11 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.3 | Microsoft Windows Phone 8 | Android OS, v4.0 (Ice Cream Sandwich), upgradable to v4.1 (Jelly Bean) |
| Processor | Dual-core 800 MHz, NovaThor U8500 | Dual-core 1 GHz Krait, Qualcomm Snapdragon S4 | Quad-core 1.4 GHz Cortex-A9, Huawei K3V2 |
| GPU | Mali-400MP | Adreno 305 | Vivante GC4000 |
| RAM | 768 MB | 512 MB | 1 GB |
| Internal Memory | 4 GB storage | 8 GB storage | 8 GB |
| External Memory | microSD, up to 32GB | microSD, up to 64 GB | microSD, up to 32 GB |
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| Type | PLS TFT capacitive touchscreen | TFT capacitive touchscreen | IPS LCD, capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.8 inches | 3.8 inches | 4.5 inches |
| Resolution | 480 x 800 pixels (246 ppi) | 480 x 800 pixels (246 ppi) | 720 x 1280 pixels (326 ppi) |
| Screen-to-Body Ratio | 55.64% | 58.06% | 61.85% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | No | No |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 5 MP, 2592х1936 pixels | 8 MP, 3264x2448 pixels |
| Flash | LED flash | LED flash | dual-LED flash |
| Features | Auto focus, Geo-tagging, Face And Smile Detection | Auto focus, Geo-tagging | Auto focus, Geo-tagging |
| Video | Yes, 720p@30fps | Yes, 720p@30fps | Yes, 1080p@30fps |
| Front Camera | Yes, VGA [Similar] | Yes, VGA [Similar] | Yes, 1.3 MP, 720p [Similar] |
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| GPRS | Yes | Class B | Yes |
| Edge | Yes | Class B | Yes |
| 3G | HSDPA, 14.4 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v3.0 with A2DP, EDR | Yes, v3.0 with A2DP, HS |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, DLNA |
| USB | Yes, v2.0 microUSB | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB storage, 768 MB RAM | 8 GB storage, 512 MB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32GB | microSD, up to 64 GB | 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 | 1500 mAh | 1300 mAh (BL-4J) | 2150 mAh |
| Stand by | Up to 670 h (2G) Up to 640 h (3G) |
Up to 330 h | Up to 360 h |
| Talk Time | Up to 16 h 20 min (2G) Up to 7 h 30 min (3G) |
Up to 14 h 40 min (2G) Up to 9 h 50 min (3G) |
Up to 11 h |
