Phone Comparison - Samsung Galaxy Grand Duos I9082 vs Lenovo P780 vs Acer Liquid E3
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| Manufacturer | Samsung | Lenovo | Acer |
| Announced | December 2012 | June 2013 | February 2014 |
| Status | Available - January 2013 | Available - June 2013 | Coming Soon - April 2014 |
| Colors | Black, White | Black | Black/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) |
143 x 73 x 10 mm (5.63 x 2.87 x 0.39 in) |
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| Weight | 162 g (5.71 oz) | 176 g (6.21 oz) | 135 g (4.76 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 1900 / 2100 - SIM 1 only HSDPA 900 / 1900 / 2100 - SIM 1 only |
HSDPA 900 / 2100 | HSDPA |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v4.1.2 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Dual-core 1.2 GHz Cortex-A9, Broadcom | Quad-core 1.2 GHz Cortex-A7, MTK 6589 | Quad-core 1.2 GHz |
| GPU | Broadcom VideoCore IV | PowerVR SGX544 | - |
| RAM | 1 GB | 1 GB | 1 GB |
| Internal Memory | 8 GB | 4 GB | 4 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 32 GB | 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 | 4.7 inches |
| Resolution | 480 x 800 pixels (187 ppi) | 720 x 1280 pixels (294 ppi) | 720 x 1280 pixels (312 ppi) |
| Screen-to-Body Ratio | 64.20% | 65.90% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | 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 | 8 MP, 3264 x 2448 pixels | 13 MP, 4160 x 3120 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 | Auto focus, Geo-tagging |
| Video | Yes, 1080p@30fps | Yes | Yes |
| Front Camera | Yes, 2 MP [Similar] | Yes, 1.2 MP [Similar] | Yes, 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, HSUPA | HSDPA, HSUPA |
| Bluetooth | Yes, v4.0 with A2DP, LE, EDR | Yes, v3.0 | Yes |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot | Yes |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0, USB On-the-go | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS, support and GLONASS | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML5 | HTML | HTML |
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| Internal | 8 GB, 1 GB RAM | 4 GB, 1 GB RAM | 4 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 64 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-Po Battery | - |
| Capacity | 2100 mAh | 4000 mAh | - |
| Stand by | Up to 440 h | Up to 840 h | - |
| Talk Time | Up to 10 h 10 min | Up to 43 h (2G) Up to 25 h (3G) |
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