Here is the comparison of features and specification of the mobile phones Microsoft Lumia 640 Dual SIM and Oppo A31.
Microsoft Lumia 640 Dual SIM is manufactured by Microsoft and this phone was announced in 2015, March. Microsoft Lumia 640 Dual SIM comes with with 5.0 inches and the resolution of the screen is 720 x 1280 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G: HSDPA 850 / 900 / 1900 / 2100
Dipsplay Type: The dispaly type of the Microsoft Lumia 640 Dual SIM is IPS LCD capacitive touchscreen with 16M colors.
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Oppo A31 is manufactured by Oppo and this phone was announced in 2015, April. Oppo A31 comes with with 4.5 inches and the resolution of the screen is 480 x 854 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G: TD-SCDMA 1880 / 2010
4G: LTE band 38(2600), 39(1900), 40(2300), 41(2500)
Dipsplay Type: The dispaly type of the Oppo A31 is IPS LCD capacitive touchscreen with 16M colors.
| Specification Summary: Microsoft Lumia 640 Dual SIM vs Oppo A31 | ||
| Mobile Device | Microsoft Lumia 640 Dual SIM | Oppo A31 |
| Display | 5.0 inches | 4.5 inches |
| Resolution | 720 x 1280 pixels | 480 x 854 pixels |
| Processor | Quad-core 1.2 GHz Cortex-A7 | Quad-core Cortex-A53 |
| Primary Camera | 8 MP | 8 MP |
| Front Camera | 1 MP | 5 MP |
| Storage | 8 GB | 8 GB |
| Battery | Li-Ion 2500 mAh | Li-Ion 2000 mAh |
| Full Specification comparison of Microsoft Lumia 640 Dual SIM vs Oppo A31 | ||
| Mobile Device | Microsoft Lumia 640 Dual SIM | Oppo A31 |
Display |
||
| Screen Size | 5.0 inches (~67.6% screen-to-body ratio) | 4.5 inches (~64.6% screen-to-body ratio) |
| Screen Resolution | 720 x 1280 pixels | 480 x 854 pixels |
| Pixel Density | 720 x 1280 pixels (~294 ppi pixel density) | 480 x 854 pixels (~218 ppi pixel density) |
| Display Type | IPS LCD capacitive touchscreen with 16M colors | IPS LCD capacitive touchscreen with 16M colors |
| Screen Protection | Corning Gorilla Glass 3 | |
Processor and RAM |
||
| Processor | Quad-core 1.2 GHz Cortex-A7 | Quad-core Cortex-A53 |
| Interal Storage | 8 GB, 1 GB RAM | 8 GB, 1 GB RAM |
| External Storage | microSD, up to 128 GB | microSD, up to 128 GB |
OS |
||
| OS Details | Microsoft Windows Phone 8.1 with Lumia Denim | Android OS, v4.4 (KitKat) |
Display |
||
| Display | 5.0 inches (~67.6% screen-to-body ratio) IPS LCD capacitive touchscreen, 16M colors 720 x 1280 pixels (~294 ppi pixel density) |
4.5 inches (~64.6% screen-to-body ratio) IPS LCD capacitive touchscreen, 16M colors 480 x 854 pixels (~218 ppi pixel density) |
| Display Type | IPS LCD capacitive touchscreen, 16M colors | IPS LCD capacitive touchscreen, 16M colors |
Camera |
||
| Main Camera | 8 MP, 3264 x 2448 pixels, autofocus, LED flash | 8 MP, 3264 x 2448 pixels, autofocus, LED flash |
| Front Camera | 1 MP, 720p | 5 MP |
| Camera Features | 1/4'' sensor size | Geo-tagging |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G | HSDPA 850 / 900 / 1900 / 2100 | TD-SCDMA 1880 / 2010 |
| 4G | LTE band 38(2600), 39(1900), 40(2300), 41(2500) | |
| Wi-Fi/connectivity | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Yes |
| Bluetooth | v4.0, A2DP | v4.0 |
| GPS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS |
| USB | microUSB v2.0 | microUSB v2.0 |
Multimedia |
||
| FM Radio | FM radio | TBC |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | Yes | |
| Proximity Sensors | Yes | Yes |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | ||
| Barometer Sensor | ||
| Temperature Sensor | ||
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