Here is the comparison of features and specification of the mobile phones NIU Niutek 3.5D2 and Oppo A31.
NIU Niutek 3.5D2 is manufactured by NIU and this phone was announced in 2014, August. NIU Niutek 3.5D2 comes with with 3.5 inches and the resolution of the screen is 320 x 480 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G: HSDPA 850 / 1900 - SIM 1 & SIM 2 - TM35D2H043
Dipsplay Type: The dispaly type of the NIU Niutek 3.5D2 is TFT capacitive touchscreen with 256K 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: NIU Niutek 3.5D2 vs Oppo A31 | ||
| Mobile Device | NIU Niutek 3.5D2 | Oppo A31 |
| Display | 3.5 inches | 4.5 inches |
| Resolution | 320 x 480 pixels | 480 x 854 pixels |
| Processor | Dual-core 1 GHz Cortex-A7 | Quad-core Cortex-A53 |
| Primary Camera | 2 MP | 8 MP |
| Front Camera | VGA | 5 MP |
| Storage | 2 GB ROM | 8 GB |
| Battery | Li-Ion 1200 mAh | Li-Ion 2000 mAh |
| Full Specification comparison of NIU Niutek 3.5D2 vs Oppo A31 | ||
| Mobile Device | NIU Niutek 3.5D2 | Oppo A31 |
Display |
||
| Screen Size | 3.5 inches (~51.5% screen-to-body ratio) | 4.5 inches (~64.6% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 480 x 854 pixels |
| Pixel Density | 320 x 480 pixels (~165 ppi pixel density) | 480 x 854 pixels (~218 ppi pixel density) |
| Display Type | TFT capacitive touchscreen with 256K colors | IPS LCD capacitive touchscreen with 16M colors |
| Screen Protection | ||
Processor and RAM |
||
| Processor | Dual-core 1 GHz Cortex-A7 | Quad-core Cortex-A53 |
| Interal Storage | 2 GB ROM, 256 MB RAM | 8 GB, 1 GB RAM |
| External Storage | microSD, up to 64 GB | microSD, up to 128 GB |
OS |
||
| OS Details | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4 (KitKat) |
Display |
||
| Display | 3.5 inches (~51.5% screen-to-body ratio) TFT capacitive touchscreen, 256K colors 320 x 480 pixels (~165 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 | TFT capacitive touchscreen, 256K colors | IPS LCD capacitive touchscreen, 16M colors |
Camera |
||
| Main Camera | 2 MP, 1600 x 1200 pixels, LED flash | 8 MP, 3264 x 2448 pixels, autofocus, LED flash |
| Front Camera | VGA | 5 MP |
| Camera Features | Face detection, panorama | Geo-tagging |
Connectivity |
||
| GPRS | Class 12 | Yes |
| EDGE | Class 12 | Yes |
| 2G | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G | HSDPA 850 / 1900 - SIM 1 & SIM 2 - TM35D2H043 | TD-SCDMA 1880 / 2010 |
| 4G | LTE band 38(2600), 39(1900), 40(2300), 41(2500) | |
| Wi-Fi/connectivity | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | Yes |
| Bluetooth | v3.0, A2DP | v4.0 |
| GPS | Yes, with A-GPS | Yes, with A-GPS |
| USB | microUSB v2.0 | microUSB v2.0 |
Multimedia |
||
| FM Radio | Stereo FM radio | TBC |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | ||
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | ||
| Barometer Sensor | ||
| Temperature Sensor | ||
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