Phone Comparison - Lenovo P780 vs Lenovo A680 vs Acer Liquid Jade
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| Manufacturer | Lenovo | Lenovo | Acer |
| Announced | June 2013 | March 2014 | June 2014 |
| Status | Available - June 2013 | Available - March 2014 | Available - July 2014 |
| Colors | Black | Black, White | Black/Green |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
143 x 73 x 10 mm (5.63 x 2.87 x 0.39 in) |
145 x 73.5 x 10.8 mm (5.71 x 2.89 x 0.43 in) |
140.5 x 69 x 7.5 mm (5.53 x 2.72 x 0.3 in) |
| Weight | 176 g (6.21 oz) | 165 g (5.82 oz) | - |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 2100 | HSDPA |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) |
| Processor | Quad-core 1.2 GHz Cortex-A7, MTK 6589 | Quad-core 1.3 GHz, Mediatek MT6582M | Quad-core 1.3 GHz, Mediatek MT6582 |
| GPU | PowerVR SGX544 | Mali-400MP2 | Mali-400MP2 |
| RAM | 1 GB | 1 GB | 1 GB |
| Internal Memory | 4 GB | 4 GB ROM | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen | Capacitive Touchscreen, OnCell technology | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16.7M colors | 16M colors |
| Size | 5.0 inches | 5 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 480 x 854 pixels (196 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 65.90% | 64.60% | 70.96% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM Radio with Recording | Yes |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 5 MP, 2592 x 1944 pixels | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | Fixed focus, Geo-tagging, Touch Focus, Face Detection, HDR | Auto focus, Geo-tagging |
| Video | Yes | Yes, 1080p@30fps | Yes, 1080p |
| Front Camera | Yes, 1.2 MP [Similar] | Yes, VGA [Similar] | Yes, 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, HSUPA | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, HSUPA |
| Bluetooth | Yes, v3.0 | Yes, v4.0 with A2DP | Yes |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0, USB On-the-go | Yes, microUSB v2.0, USB On-the-go | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML | HTML5 | HTML |
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| Internal | 4 GB, 1 GB RAM | 4 GB ROM, 1 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
| USB OTG | Supported | 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-Po Battery | Li-Ion Battery |
| Capacity | 4000 mAh | 2000 mAh | 2100 mAh |
| Stand by | Up to 840 h | Up to 312 h (2G) Up to 348 h (3G) |
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| Talk Time | Up to 43 h (2G) Up to 25 h (3G) |
Up to 13 h (2G) Up to 24 h (3G) |
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