Phone Comparison - Lenovo Vibe X vs Lenovo Vibe Z K910 vs Samsung Galaxy S Duos 2 S7582
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| Manufacturer | Lenovo | Lenovo | Samsung |
| Announced | September 2013 | November 2013 | November 2013 |
| Status | Available - December 2013 | Available - January 2014 | Available - November 2013 |
| Colors | Black/Silver | Black | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
6.9 mm thickness (0.27 in thickness) |
7.9 mm thickness (0.31 in thickness) |
121.5 x 63.1 x 10.57 mm (4.78 x 2.48 x 0.42 in) |
| Weight | 120 g (4.23 oz) | 147 g (5.19 oz) | 118 g (4.16 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA | HSDPA 2100 | HSDPA 900 / 2100 |
| 4G Network | - | LTE | - |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.3 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) |
| Processor | Quad-core 1.5 GHz, MTK MT6589T | Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 | Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 |
| GPU | PowerVR SGX544 | Adreno 330 | Broadcom VideoCore IV |
| RAM | 2 GB | 2 GB | 768 MB |
| Internal Memory | 16 GB | 16 GB ROM | 4 GB (1.9 GB user available) |
| External Memory | No | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen | TFT Capacitive Touchscreen, PLS |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.5 inches | 4.0 inches |
| Resolution | 1080 x 1920 pixels (441 ppi) | 1080 x 1920 pixels (401 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | - | - | 59.52% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | - | Stereo FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels | 5 MP, 2592х1944 pixels |
| Flash | LED flash | Dual-LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps | Yes, 720p@30fps |
| Front Camera | Yes, 5 MP [Similar] | Yes, 5 MP [Similar] | Yes, VGA [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA+ | 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, v4.0 with A2DP | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual band, 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, Wi-Fi Direct |
| 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 | Yes, with A-GPS support and GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 2 GB RAM | 16 GB ROM, 2 GB RAM | 4 GB (1.9 GB user available), 768 MB RAM |
| Expandable Storage | No | 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-Ion Battery | - | Standard battery, Li-Ion |
| Capacity | 2000 mAh | - | 1500 mAh |
| Stand by | - | - | Up to 280 h (3G) |
| Talk Time | - | - | Up to 8 h (3G) |
