| Oppo R830 |
Samsung Galaxy A12 |
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| Hardware and OS | Oppo R830 | Samsung Galaxy A12 |
| Operating system | Android 4.2 Jelly Bean | Android v10 (Q) |
| Interface | ColorOS | |
| Processor | MediaTek MT6572 Processor clock: 1.30 GHz Number of cores: 2 GPU: ARM Mali-400 MP1 @500 MHz | Octa core, 2.3 GHz, Cortex A53 |
| Chipset | MediaTek Helio P35 | |
| RAM memory | 512 MB | |
| RAM | 4 GB | |
| Internal memory | 4 GB | 64 GB |
| Memory cards | yes microSD, microSDHC (up to 32 GB) | |
| Expandable Memory | Yes, Up to 1 TB | |
| Custom UI | Samsung One UI | |
| Graphics | PowerVR GE8320 | |
| Display | Oppo R830 | Samsung Galaxy A12 |
| Display | Color / IPS TFT 16M colors 480 x 854 px (4.50") 218 ppi ~61.4% screen-to-body ratio | |
| Display protection | yes | |
| Touchscreen | yes | |
| Screen Size | 6.5 inches (16.51 cm) | |
| Resolution | 720 x 1600 pixels | |
| Display Type | PLS TFT LCD | |
| Pixel Density | 270 ppi | |
| Touch Screen | Yes, Capacitive Touchscreen, Multi-touch | |
| Aspect Ratio | 20:9 | |
| Connectivity | Oppo R830 | Samsung Galaxy A12 |
| NFC | yes | No |
| Bluetooth | yes v2.1 | Yes, v5.0 |
| GPS | yes | Yes with A-GPS, Glonass |
| GPRS | yes class 12 | |
| EDGE | yes | |
| WiFi | yes v802.11 b/g/n | |
| Hotspot WiFi | yes | |
| DLNA | yes | |
| IrDA | yes | |
| USB | yes v2.0 | |
| WAP | yes v2.0 | |
| 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 | |
| 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 | |
| Main Camera | Oppo R830 | Samsung Galaxy A12 |
| 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 | |
| Camera | Oppo R830 | Samsung Galaxy A12 |
| Main camera | 5 Mpx | |
| Image Resolution | 2592x1944 px | |
| Flash | yes | |
| Digital zoom | yes | |
| Selfie camera | 2 Mpx | |
| Front Camera | Oppo R830 | 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 R830 | Samsung Galaxy A12 |
| Stereo speakers | yes | |
| Audio Jack | 3.5 mm | |
| Design | Oppo R830 | Samsung Galaxy A12 |
| Dimensions | 132.00 x 68.80 x 9.20 mm | |
| Weight | 130.00 g | 205 grams |
| Height | 164 mm | |
| Width | 75.8 mm | |
| Thickness | 8.9 mm | |
| Build Material | Back: Plastic | |
| Colours | Black, Blue, White | |
| Battery | Oppo R830 | Samsung Galaxy A12 |
| Capacity | Li-Ion 1900 mAh | 5000 mAh |
| Quick battery charging | yes | |
| Wireless battery charging | yes | |
| Type | Li-ion | |
| Removable | No | |
| Quick Charging | Yes, Fast, 15W | |
| TalkTime | Up to 34 Hours(4G) | |
| USB Type-C | Yes | |
| Other | Oppo R830 | Samsung Galaxy A12 |
| Accelerometer | yes | |
| Altimeter | yes | |
| Barometer | yes | |
| Fingerprint scanner | yes | |
| Gravity | yes | |
| Gyroscope | yes | |
| Hall-effect | yes | |
| Hygrometer | yes | |
| Iris scanner | yes | |
| Magnetometer | yes | |
| Proximity | yes | |
| Thermometer | yes | |
| Features | Oppo R830 | Samsung Galaxy A12 |
| Fingerprint Sensor | Yes | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer |
