Phone Comparison - Samsung Galaxy Ace Duos vs Oppo Neo 5 vs OPPO Neo R831K
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| Manufacturer | Samsung | Oppo | Oppo |
| Announced | May 2012 | August 2014 | August 2014 |
| Status | Available - June 2012 | Available - August 2014 | Available - August 2014 |
| Colors | Black | Black | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
112.7 x 61.5 x 11.5 mm (4.44 x 2.42 x 0.45 in) |
132 x 65.8 x 9.2 mm (5.2 x 2.59 x 0.36 in) |
132 x 65.8 x 9.2 mm (5.2 x 2.59 x 0.36 in) |
| Weight | 122 g (4.3 oz) | 132.5 g (4.66.0.18 oz) | 130 g (4.59 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 2100 | HSDPA 2100 |
| 4G Network | - | LTE | - |
| Messaging | SMS, MMS | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v2.3 (Gingerbread) | Android OS, v4.3 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) based Color OS |
| Processor | 832 MHz | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 | Dual-core 1.3 GHz |
| GPU | - | - | |
| RAM | N/A | 1 GB | 1 GB |
| Internal Memory | 3 GB storage, 512 MB | 4 GB | 4 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.5 inches | 4.5 inches | 4.5 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 480 x 854 pixels (218 ppi) | 480 x 854 pixels (218 ppi) |
| Screen-to-Body Ratio | 52.52% | 64.07% | 64.07% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 5 MP, 2592 х 1944 pixels | 5 MP, 2592 x 1944 pixels |
| Flash | No | LED flash | LED Flash |
| Features | Auto focus, Geo-tagging | Geo-tagging, Panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR |
| Video | Yes | Yes | Yes |
| Front Camera | No [Similar] | 2 MP [Similar] | Yes, 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 7.2 Mbps | HSDPA 42 Mbps, HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA+ |
| Bluetooth | Yes, v3.0 with A2DP | v4.0, A2DP | v2.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0, USB On-the-go | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS | Yes, with A-GPS |
| Browser | HTML | HTML | HTML |
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| Internal | 3GB storage, 512 MB | 4 GB, 1 GB RAM | 4 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | 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 | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1300 mAh | 1900 mAh | 1900 mAh |
| Stand by | Up to 520 h (2G) Up to 410 h (3G) |
- | - |
| Talk Time | Up to 6 h 30 min (2G) Up to 16 h 40 min (3G) |
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