| Oppo A31 (2015) |
Samsung Galaxy A12 |
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| Hardware and OS | Oppo A31 (2015) | Samsung Galaxy A12 |
| Operating system | Android 4.4 (KitKat) | Android v10 (Q) |
| Processor | Quad-core 1.2 GHz Cortex-A53 | Octa core, 2.3 GHz, Cortex A53 |
| Chipset | Qualcomm MSM8916 Snapdragon 410 (28 nm) | MediaTek Helio P35 |
| Internal memory | 8GB 1GB RAM | 64 GB |
| RAM | 4 GB | |
| External memory | microSDXC (dedicated slot) | |
| GPU | Adreno 306 | |
| Expandable Memory | Yes, Up to 1 TB | |
| Custom UI | Samsung One UI | |
| Graphics | PowerVR GE8320 | |
| Display | Oppo A31 (2015) | Samsung Galaxy A12 |
| Size | 4.5 inches, 55.8 cm2 | |
| Resolution | 480 x 854 pixels, 16:9 ratio | 720 x 1600 pixels |
| Type | IPS LCD capacitive touchscreen, 16M colors | |
| Screen Size | 6.5 inches (16.51 cm) | |
| Display Type | PLS TFT LCD | |
| Pixel Density | 270 ppi | |
| Touch Screen | Yes, Capacitive Touchscreen, Multi-touch | |
| Aspect Ratio | 20:9 | |
| Main Camera | Oppo A31 (2015) | Samsung Galaxy A12 |
| Camera | 8 MP, AF | |
| Features | LED flash | |
| Video | 1080p@30fps | |
| Resolution | 48 MP f/2.0 (upto 10x Digital Zoom), Wide Angle (80° field-of-view) Primary Camera(26 mm focal length)5 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera 2 MP f/2.4, Macro Camera 2 MP f/2.4, Depth Camera | |
| Image Resolution | 8000 x 6000 Pixels | |
| Flash | Yes, LED Flash | |
| Camera Features | 10 x Digital Zoom Auto Flash Face detection Touch to focus | |
| Autofocus | Yes | |
| Camera Setup | Quad | |
| Video Recording | 1920x1080 @ 30 fps | |
| Settings | Exposure compensation, ISO control | |
| Selfie camera | Oppo A31 (2015) | Samsung Galaxy A12 |
| Camera | 5 MP | |
| Connectivity | Oppo A31 (2015) | Samsung Galaxy A12 |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | TD-SCDMA | |
| 4G Network | LTE band 38(2600), 39(1900), 40(2300), 41(2500) | |
| Bluetooth | 4.0, A2DP | Yes, v5.0 |
| EDGE | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS | Yes with A-GPS, Glonass |
| Speed | TD-SCDMA, LTE Cat4 150/50 Mbps | |
| Technology | GSM / LTE | |
| USB | microUSB 2.0 | |
| WLAN | Wi-Fi 802.11 b/g/n | |
| Network | 4G , 3G, 2G | |
| SIM 1 | 4G Bands: TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available | |
| SIM 2 | 4G Bands: TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available | |
| NFC | No | |
| VoLTE | Yes | |
| Wi-Fi | Yes, Wi-Fi 802.11, b/g/n | |
| Wi-Fi Features | Wi-Fi Direct, Mobile Hotspot | |
| USB Connectivity | Mass storage device, USB charging | |
| Front Camera | Oppo A31 (2015) | Samsung Galaxy A12 |
| Resolution | 8 MP f/2.2 Primary Camera | |
| Flash | No | |
| Autofocus | No | |
| Camera Setup | Single | |
| Video Recording | 1920x1080 @ 30 fps | |
| Multimedia | Oppo A31 (2015) | Samsung Galaxy A12 |
| 3.5 mm Jack | Yes | |
| Loudspeaker | Yes | |
| Radio | No | |
| Audio Jack | 3.5 mm | |
| Battery | Oppo A31 (2015) | Samsung Galaxy A12 |
| Capacity | Non-removable Li-Ion 2000 mAh battery | 5000 mAh |
| Stand-by | Up to 240 h | |
| Talk time | Up to 7 h | |
| Type | Li-ion | |
| Removable | No | |
| Quick Charging | Yes, Fast, 15W | |
| TalkTime | Up to 34 Hours(4G) | |
| USB Type-C | Yes | |
| Design | Oppo A31 (2015) | Samsung Galaxy A12 |
| Colors | White, Blue | |
| Dimensions | 131.9 x 65.5 x 8 mm (5.19 x 2.58 x 0.31 in) | |
| Weight | 135 g (4.76 oz) | 205 grams |
| SIM | Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) | |
| Height | 164 mm | |
| Width | 75.8 mm | |
| Thickness | 8.9 mm | |
| Build Material | Back: Plastic | |
| Colours | Black, Blue, White | |
| Features | Oppo A31 (2015) | Samsung Galaxy A12 |
| Sensors | Accelerometer, proximity | |
| Fingerprint Sensor | Yes | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer |
