| OPPO A78 |
Samsung Galaxy A12 |
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| Hardware and OS | OPPO A78 | Samsung Galaxy A12 |
| Operating System | Android v12 | Android v10 (Q) |
| Processor | Octa core (2.3 GHz, Quad core, Cortex A53 1.8 GHz, Quad core, Cortex A53) | Octa core, 2.3 GHz, Cortex A53 |
| Chipset | MediaTek Helio G35 | MediaTek Helio P35 |
| RAM | 4 GB | 4 GB |
| Architecture | 64 bit | |
| Internal Memory | 64 GB | 64 GB |
| Expandable Memory | Yes, Up to 1 TB | |
| External memory | Yes, Up to 256 GB | |
| Custom UI | Samsung One UI | |
| Graphics | PowerVR GE8320 | |
| GPU | PowerVR GE8320 | |
| Display | OPPO A78 | Samsung Galaxy A12 |
| Screen Size | 6.5 inches (16.51 cm) | |
| Type | IPS LCD | |
| Resolution | 720 x 1600 pixels | |
| Size | 6.2 inches (15.75 cm) | |
| Display Type | PLS TFT LCD | |
| PPI /points per inch/ | 424 ppi | |
| Pixel Density | 270 ppi | |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | |
| Touch Screen | Yes, Capacitive Touchscreen, Multi-touch | |
| Aspect Ratio | 20:9 | |
| Main Camera | OPPO A78 | 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 A78 | Samsung Galaxy A12 |
| Main camera | 16 MP, Primary Camera, 2 MP, | |
| Camera Setup | Dual | |
| Autofocus | Yes | |
| Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes, LED Flash | |
| Image Resolution | 4616 x 3464 Pixels | |
| Video Recording | 1920x1080 @ 30 fps | |
| Selfie camera | 24 MP, Primary Camera, | |
| Front Camera | OPPO A78 | Samsung Galaxy A12 |
| Resolution | 8 MP f/2.2 Primary Camera | |
| Flash | No | |
| Autofocus | No | |
| Camera Setup | Single | |
| Video Recording | 1920x1080 @ 30 fps | |
| Connectivity | OPPO A78 | Samsung Galaxy A12 |
| 4G Bands | TD-LTE 2300(band 40), FD-LTE 1800(band 3) | |
| Network Support | 4G, 3G, 2G | |
| SIM card | SIM1: Nano, SIM2: Nano | |
| SIM Slot(s) | Dual SIM, GSM GSM | |
| 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 | |
| Bluetooth | Yes, v5.2 | Yes, v5.0 |
| NFC | No | |
| GPS | Yes with A-GPS, Glonass | Yes with A-GPS, Glonass |
| VoLTE | Yes | Yes |
| Wi-Fi | Yes, Wi-Fi 802.11, b/g/n | Yes, Wi-Fi 802.11, b/g/n |
| Wi-Fi Features | Wi-Fi Direct, Mobile Hotspot | |
| USB Connectivity | Mass storage device, USB charging | Mass storage device, USB charging |
| Multimedia | OPPO A78 | Samsung Galaxy A12 |
| Headphone jack | 3.5 mm | |
| Loudspeaker | Yes | |
| Audio Jack | 3.5 mm | |
| Design | OPPO A78 | Samsung Galaxy A12 |
| Height | 164 mm | |
| Width | 75.8 mm | |
| Thickness | 8.9 mm | |
| Weight | 205 grams | |
| Build Material | Back: Plastic | |
| Colours | Black, Blue, White | |
| Other features | OPPO A78 | Samsung Galaxy A12 |
| Fingerprint Sensor | Yes | |
| Fingerprint Sensor Position | Rear | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer | |
| Battery | OPPO A78 | Samsung Galaxy A12 |
| Type | Li-Polymer | Li-ion |
| Capacity | 4000 mAh | 5000 mAh |
| Removable | No | No |
| Quick Charging | Yes, Fast | Yes, Fast, 15W |
| TalkTime | Up to 34 Hours(4G) | |
| USB Type-C | Yes | Yes |
| Features | OPPO A78 | Samsung Galaxy A12 |
| Fingerprint Sensor | Yes | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer |
