Phone Comparison - Lenovo S820 vs Lenovo Vibe X vs Huawei Ascend G7
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| Manufacturer | Lenovo | Lenovo | Huawei |
| Announced | May 2013 | September 2013 | September 2014 |
| Status | Available - May 2013 | Available - December 2013 | Available - September 2014 |
| Colors | Flamingo red | Black/Silver | Black, white |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
139.5 x 69.7 x 9 mm (5.49 x 2.74 x 0.35 in) |
6.9 mm thickness (0.27 in thickness) |
153.5 x 77.3 x 7.6 mm (6.04 x 3.04 x 0.3 in) |
| Weight | 143 g (5.04 oz) | 120 g (4.23 oz) | 165 g (5.82 oz) |
| 2G Network | GSM 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 | HSDPA | HSDPA 900 / 2100 - L01 HSDPA 850 / 1700 / 1900 / 2100 - L03 |
| 4G Network | - | - | LTE 900 / 2100 - L01 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4 (KitKat) |
| Processor | Quad-core 1.2 GHz, MTK 6589W | Quad-core 1.5 GHz, MTK MT6589T | Quad-core 1.2 GHz Cortex-A53, Qualcomm Snapdragon |
| GPU | PowerVR SGX544 | PowerVR SGX544 | - |
| RAM | 1 GB | 2 GB | 2 GB |
| Internal Memory | 4 GB | 16 GB | 16 GB |
| External Memory | microSD, up to 32 GB | No | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 5.0 inches | 5.5 inches |
| Resolution | 720 x 1280 pixels (312 ppi) | 1080 x 1920 pixels (441 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 62.82% | - | 70.29% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio; built-in antenna | - | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 12 MP, 4000 x 3000 pixels | 13 MP, 4128 x 3096 pixels | 13 MP, 4160 x 3120 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 | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR |
| Video | Yes | Yes, 1080p@30fps | 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | Yes, 5 MP [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, HSUPA | HSPA+ | HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP | v4.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual band | Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, dual-band, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0, USB On-the-go | microUSB v2.0, USB On-the-go |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS, GLONASS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB, 1 GB RAM | 16 GB, 2 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | No | 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-Ion Battery | Non-removable Li-Po Battery |
| Capacity | 2000 mAh | 2000 mAh | 3000 mAh |
| Stand by | Up to 140 h (2G) Up to 140 h (3G) |
- | - |
| Talk Time | Up to 22 h (2G) Up to 10 h (3G) |
- | - |
