Phone Comparison - Huawei Ascend D1 vs Lenovo A859 vs OPPO Neo R831K
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| Manufacturer | Huawei | Lenovo | Oppo |
| Announced | February 2012 | January 2014 | August 2014 |
| Status | Available - July 2012 | Coming Soon - January 2014 | Available - August 2014 |
| Colors | Black | White | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
129 x 64 x 8.9 mm (5.08 x 2.52 x 0.35 in) |
142 x 72.4 x 9.14 mm (5.59 x 2.85 x 0.36 in) |
132 x 65.8 x 9.2 mm (5.2 x 2.59 x 0.36 in) |
| Weight | 132 g (4.66 oz) | 163.3 g (5.75.0.11 oz) | 130 g (4.59 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700 / 1900 / 2100 | HSDPA 900 / 2100 HSDPA 850 / 1900 |
HSDPA 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) based Color OS |
| Processor | Dual-core 1.5 GHz, TI OMAP 4460 | Quad-core 1.3 GHz, Mediatek MT6582 | Dual-core 1.3 GHz |
| GPU | PowerVR SGX540 | Mali-400MP2 | - |
| RAM | 1 GB | 1 GB | 1 GB |
| Internal Memory | 8 GB (5.8 GB user available) | 8 GB ROM, 1.0 GB for mass storage) | 4 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 | IPS LCD Capacitive Touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16.7M colors | 16M colors |
| Size | 4.5 inches | 5 inches | 4.5 inches |
| Resolution | 720 x 1280 pixels (326 ppi) | 720 x 1280 pixels (294 ppi) | 480 x 854 pixels (218 ppi) |
| Screen-to-Body Ratio | 67.76% | 66.91% | 64.07% |
| 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, 3264x2448 pixels | 8 MP, 3264x2448 pixels | 5 MP, 2592 x 1944 pixels |
| Flash | dual-LED flash | LED flash | LED Flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps | Yes |
| Front Camera | Yes, 1.3 MP, 720p [Similar] | Yes, 1.6 MP [Similar] | Yes, 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA+ |
| Bluetooth | Yes, v3.0 with A2DP, HS | Yes, v3.0 with A2DP | v2.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, DLNA | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 (MHL), USB On-the-go | Yes, microUSB v2.0, USB On-the-go | microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support | Yes, with A-GPS |
| Browser | HTML5, Adobe Flash | HTML5 | HTML |
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| Internal | 8 GB (5.8 GB user available), 1 GB RAM | 8 GB ROM, 1.0 GB for mass storage), 1 GB RAM | 4 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-Ion Battery | Li-Po Battery | Li-Ion Battery |
| Capacity | 1800 mAh | 2250 mAh | 1900 mAh |
| Stand by | Up to 400 h | - | - |
| Talk Time | Up to 10 h 30 min | - | - |
