Phone Comparison - Lenovo P780 vs Lenovo S939 vs Lenovo K3
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| Manufacturer | Lenovo | Lenovo | Lenovo |
| Announced | June 2013 | February 2014 | December 2014 |
| Status | Available - June 2013 | Available - February 2014 | Available - December 2014 |
| Colors | Black | Black, White | Yellow |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
143 x 73 x 10 mm (5.63 x 2.87 x 0.39 in) |
170 x 86.5 x 8.65 mm (6.69 x 3.41 x 0.34 in) |
141 x 70.5 x 7.9 mm (5.55 x 2.78 x 0.31 in) |
| Weight | 176 g (6.21 oz) | 180 g (6.35 oz) | 128 g (4.52 oz) |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 2100 | TD-SCDMA |
| 4G Network | - | - | TD-LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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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 | Octa-core 1.7 GHz, Mediatek MT6592 | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 |
| GPU | PowerVR SGX544 | Mali-450MP4 | Adreno 306 |
| RAM | 1 GB | 1 GB | 1 GB |
| Internal Memory | 4 GB | 8 GB ROM | 16 GB ROM |
| 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 | IPS LCD Capacitive Touchscreen, OGS | IPS capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 6.0 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 720 x 1280 pixels (245 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 65.90% | 67.36% | 69.20% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM Radio with Recording | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 8 MP, 3264x2448 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes | Yes, 1080p@30fps | Yes |
| Front Camera | Yes, 1.2 MP [Similar] | Yes, 1.6 MP [Similar] | 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, HSUPA | HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps | TD-SCDMA, TD-LTE |
| Bluetooth | Yes, v3.0 | Yes, v4.0 | v4.0, A2DP, LE |
| 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 a/b/g/n, dual-band, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB v2.0, USB On-the-go | Yes, microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB, 1 GB RAM | 8 GB ROM, 1 GB RAM | 16 GB ROM, 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 | Li-Po Battery | Li-Ion Battery | Li-Ion Battery |
| Capacity | 4000 mAh | 3000 mAh | 2300 mAh |
| Stand by | Up to 840 h | - | Up to 580 h |
| Talk Time | Up to 43 h (2G) Up to 25 h (3G) |
- | Up to 31 h |
