Phone Comparison - Samsung Galaxy Grand Duos I9082 vs Oppo R1S vs Lenovo A889
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| Manufacturer | Samsung | Oppo | Lenovo |
| Announced | December 2012 | April 2014 | May 2014 |
| Status | Available - January 2013 | Coming Soon - Q2 2014 | Available - May 2014 |
| Colors | Black, White | White, Blue | White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
143.5 x 76.9 x 9.6 mm (5.65 x 3.03 x 0.38 in) |
142.7 x 70.4 x 7.1 mm (5.62 x 2.77 x 0.28 in) |
164 x 85.4 x 9 mm (6.46 x 3.36 x 0.35 in) |
| Weight | 162 g (5.71 oz) | 140 g (4.94 oz) | 192 g (6.77 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 1900 / 2100 - SIM 1 only HSDPA 900 / 1900 / 2100 - SIM 1 only |
HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA 1880-1920/ 2010-2025 |
HSDPA 900 / 2100 |
| 4G Network | - | LTE 1800 / 2600 TD-LTE 1880-1920/ 2300-2400/ 2570-2620 |
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| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.1.2 (Jelly Bean) | Android OS, v4.3 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Dual-core 1.2 GHz Cortex-A9, Broadcom | Quad-core 1.6 GHz Cortex-A7, Qualcomm Snapdragon 400 | Quad-core 1.3 GHz, Mediatek MT6582 |
| GPU | Broadcom VideoCore IV | Adreno 305 | Mali-400 |
| RAM | 1 GB | 1 GB | 1 GB |
| Internal Memory | 8 GB | 16 GB | 8 GB |
| External Memory | microSD, up to 64 GB | No | microSD, up to 32 GB |
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| Type | Capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.0 inches | 6.0 inches |
| Resolution | 480 x 800 pixels (187 ppi) | 720 x 1280 pixels (294 ppi) | 540 x 960 pixels (184 ppi) |
| Screen-to-Body Ratio | 64.20% | 68.47% | 70.53% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13 MP, 4128 x 3096 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Auto focus, Geo-tagging |
| Video | Yes, 1080p@30fps | Yes, 1080p | Yes |
| Front Camera | Yes, 2 MP [Similar] | Yes, 5 MP [Similar] | Yes, VGA [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA+, LTE | HSDPA, HSUPA |
| Bluetooth | Yes, v4.0 with A2DP, LE, EDR | Yes, v4.0 with A2DP | Yes, v3.0 |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS, support and GLONASS | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML5 | HTML5 | HTML |
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| Internal | 8 GB, 1 GB RAM | 16 GB, 1 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 64 GB | No | 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 | Li-Ion Battery | Li-Ion Battery |
| Capacity | 2100 mAh | 2410 mAh | 2500 mAh |
| Stand by | Up to 440 h | - | - |
| Talk Time | Up to 10 h 10 min | - | - |
