Phone Comparison - Samsung I929 Galaxy S II Duos vs HTC Vivid vs Samsung Galaxy Express I437
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| Manufacturer | Samsung | HTC | Samsung |
| Announced | December 2011 | October 2011 | October 2012 |
| Status | Available - September 2012 | Available - November 2011 | Available - November 2012 |
| Colors | Black | Black, White | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
129.8 x 68.9 x 9.7 mm (5.11 x 2.71 x 0.38 in) |
128.8 x 67.1 x 11.2 mm (5.07 x 2.64 x 0.44 in) |
132.6 x 69.3 x 9.1 mm (5.22 x 2.73 x 0.36 in) |
| Weight | 138 g (4.87 oz) | 176.9 g (6.21.0.32 oz) | 136 g (4.8 oz) |
| 2G Network | GSM 900 / 1800 / 1900 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 | |
| 4G Network | - | LTE 700 | LTE 700 MHz Class 17 / 1700 / 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.3.5 (Gingerbread) | Android OS, v2.3.4 (Gingerbread) | Android OS, v4.x (Ice Cream Sandwich) |
| Processor | Dual-core 1.2 GHz, Qualcomm MSM8660 Snapdragon | Dual-core 1.2 GHz Scorpion, Qualcomm APQ8060 Snapdragon | Dual-core 1.5 GHz, Qualcomm MSM8960 Snapdragon |
| GPU | Adreno 220 | Adreno 220 | Adreno 225 |
| RAM | 1 GB | 1 GB | 1 GB |
| Internal Memory | 16 GB | 16 GB storage | 8 GB (5 GB user available) storage |
| External Memory | microSD, up to 32GB | microSD, up to 32GB | microSD, up to 32 GB |
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| Type | Super AMOLED Plus capacitive touchscreen | S-LCD capacitive touchscreen | Super AMOLED Plus capacitive touchscreen |
| Colors | 16M colors | 256K colors | 16M colors |
| Size | 4.52 inches | 4.5 inches | 4.5 inches |
| Resolution | 480 x 800 pixels (206 ppi) | 540 x 960 pixels (245 ppi) | 480 x 800 pixels (207 ppi) |
| Screen-to-Body Ratio | 65.28% | 64.47% | 62.92% |
| 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 | Yes | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 8 MP, 3264x2448 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | LED flash | dual-LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes, 1080p@30fps | Yes, 1080p | Yes, 720p@30fps |
| Front Camera | Yes, 2 MP [Similar] | Yes, 1.3 MP [Similar] | Yes, 1.3 MP, 720p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | Rev. A, up to 3.1 Mbps | HSDPA, HSUPA, LTE | HSDPA, HSUPA, LTE |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v3.0 with A2DP | Yes |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | Yes |
| USB | Yes, v2.0 microUSB (MHL), USB On-the-go | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML, Adobe Flash | WAP 2.0/xHTML, HTML, Adobe Flash | HTML5 |
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| Internal | 16GB, 1 GB RAM | 16GB storage, 1 GB RAM | 8 GB (5 GB user available) storage, 1 GB RAM |
| Expandable Storage | microSD, up to 32GB | microSD, up to 32GB | microSD, up to 32 GB |
| USB OTG | Supported | - | - |
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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 | 1800 mAh | 1620 mAh | 2000 mAh |
| Stand by | - | Up to 288 h | Up to 312 h |
| Talk Time | - | Up to 7 h 40 min | Up to 14 h |
