Phone Comparison - Lenovo A680 vs Samsung Galaxy Core 2 Duos vs Oppo R3
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| Manufacturer | Lenovo | Samsung | Oppo |
| Announced | March 2014 | June 2014 | June 2014 |
| Status | Available - March 2014 | Available - July 2014 | Available - June 2014 |
| Colors | Black, White | White, Black | Black, white |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
145 x 73.5 x 10.8 mm (5.71 x 2.89 x 0.43 in) |
130.3 x 68 x 9.8 mm (5.13 x 2.68 x 0.39 in) |
142.3 x 70.4 x 6.3 mm (5.6 x 2.77 x 0.25 in) |
| Weight | 165 g (5.82 oz) | 138 g (4.87 oz) | 140 g (4.94 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 2100 | HSDPA 900 / 2100 | TD-SCDMA 1880-1920/ 2010-2025 |
| 4G Network | - | - | TD-LTE 1880-1920/ 2300-2400/ 2570-2620 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) | Android OS, v4.3 (Jelly Bean) |
| Processor | Quad-core 1.3 GHz, Mediatek MT6582M | Quad-core 1.2 GHz | Quad-core 1.6 GHz Cortex-A7, Qualcomm Snapdragon 400 |
| GPU | Mali-400MP2 | - | Adreno 305 |
| RAM | 1 GB | 768 MB | 1 GB |
| Internal Memory | 4 GB ROM | 4 GB | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 128 GB |
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| Type | Capacitive Touchscreen, OnCell technology | TFT capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16.7M colors | 16M colors | 16M colors |
| Size | 5 inches | 4.5 inches | 5.0 inches |
| Resolution | 480 x 854 pixels (196 ppi) | 480 x 800 pixels (207 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 64.60% | 65.25% | 68.67% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio with Recording | FM Radio | Stereo FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 x 1944 pixels | 5 MP, 2592 х 1944 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Fixed focus, Geo-tagging, Touch Focus, Face Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | Yes | Yes, 1080p |
| Front Camera | Yes, VGA [Similar] | Yes, VGA [Similar] | Yes, 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA+, LTE |
| Bluetooth | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0, USB On-the-go | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 4 GB ROM, 1 GB RAM | 4 GB, 768 MB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 128 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 | Li-Po Battery | Li-Ion Battery | Li-Ion Battery |
| Capacity | 2000 mAh | 2000 mAh | 2410 mAh |
| Stand by | Up to 312 h (2G) Up to 348 h (3G) |
- | - |
| Talk Time | Up to 13 h (2G) Up to 24 h (3G) |
- | - |
