Phone Comparison - Lenovo A390 vs Lenovo Vibe Z K910 vs Lenovo S850
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| Manufacturer | Lenovo | Lenovo | Lenovo |
| Announced | April 2013 | November 2013 | February 2014 |
| Status | Available - April 2013 | Available - January 2014 | Coming Soon - June 2014 |
| Colors | Black, White | Black | White, Pink |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
125.6 x 64 x 10.1 mm (4.94 x 2.52 x 0.4 in) |
7.9 mm thickness (0.31 in thickness) |
141 x 71 x 8.2 mm (5.55 x 2.8 x 0.32 in) |
| Weight | 131 g (4.62 oz) | 147 g (5.19 oz) | 140 g (4.94 oz) |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 GSM 850 / 1800 / 1900 |
| 3G Network | HSDPA 2100 | HSDPA 2100 | HSDPA 900 / 2100 HSDPA 850 / 1900 |
| 4G Network | - | LTE | - |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.3 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Dual-core 1 GHz, MTK 6577 | Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 | Quad-core 1.3 GHz Cortex-A7, Mediatek MT6582 |
| GPU | PowerVR SGX531 | Adreno 330 | Mali-400MP2 |
| RAM | 512 MB | 2 GB | 1 GB |
| Internal Memory | 4 GB | 16 GB ROM | 16 GB ROM |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | No |
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| Type | Capacitive touchscreen | IPS LCD Capacitive Touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | - | 16M colors | 16M colors |
| Size | 4.0 inches | 5.5 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 1080 x 1920 pixels (401 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 56.77% | - | 68.71% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | - | FM Radio with Recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 х 1944 pixels | 13 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | No | Dual-LED flash | LED flash |
| Features | Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR |
| Video | Yes | Yes, 1080p@30fps | Yes, 1080p@30fps |
| Front Camera | No [Similar] | Yes, 5 MP [Similar] | Yes, 5 MP, Wide Angle [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, HSUPA | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 150 Mbps DL | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes | Yes, v4.0 with A2DP | Yes, v3.0 with A2DP, HS |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual band, 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, USB On-the-go |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB, 512 MB RAM | 16 GB ROM, 2 GB RAM | 16 GB ROM, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | No |
| 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-Ion Battery | - | Non-removable Li-Po Battery |
| Capacity | 1500 mAh | - | 2000 mAh |
| Stand by | Up to 220 h (2G) Up to 180 h (3G) |
- | Up to 336 h |
| Talk Time | Up to 14 h (2G) Up to 9 h (3G) |
- | Up to 13 h |
