| OPPO Reno 3A |
Samsung Galaxy A12 |
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| Hardware and OS | OPPO Reno 3A | Samsung Galaxy A12 |
| Operating System | Android v10 (Q) | Android v10 (Q) |
| Custom UI | ColorOS | Samsung One UI |
| Processor | Octa core (2 GHz, Quad core, Kryo 260 1.8 GHz, Quad core, Kryo 260) | Octa core, 2.3 GHz, Cortex A53 |
| Chipset | Qualcomm Snapdragon 665 | MediaTek Helio P35 |
| Architecture | 64 bit | |
| RAM | 6 GB | 4 GB |
| Internal Memory | 128 GB | 64 GB |
| Expandable Memory | yes Up to 256 GB | Yes, Up to 1 TB |
| Graphics | Adreno 610 | PowerVR GE8320 |
| SIM Slot(s) | Dual SIM, GSM GSM | |
| Display | OPPO Reno 3A | Samsung Galaxy A12 |
| Resolution | 720 x 1600 pixels | |
| Screen Size | 6.44 inches (16.36 cm) | 6.5 inches (16.51 cm) |
| Screen Resolution | 1080 x 2400 pixels | |
| Display Type | AMOLED | PLS TFT LCD |
| Pixel Density | 409 ppi | 270 ppi |
| Aspect Ratio | 20:9 | |
| Screen to Body Ratio | 89.9 % | |
| Screen Protection | Corning Gorilla Glass v5 | |
| Touch Screen | yes Capacitive Touchscreen, Multi-touch | Yes, Capacitive Touchscreen, Multi-touch |
| Main Camera | OPPO Reno 3A | Samsung Galaxy A12 |
| Resolution | 48 MP f/1.7 Primary Camera(1.7" sensor size)8 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera 2 MP f/2.4, Macro Camera 2 MP f/2.4, Depth Camera | 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 | 8000 x 6000 Pixels |
| Flash | yes LED Flash | Yes, LED Flash |
| Camera Setup | Quad | |
| Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | 10 x Digital Zoom Auto Flash Face detection Touch to focus |
| Video Recording | 1920x1080 @ 30 fps | |
| Autofocus | yes | Yes |
| Physical Aperture | F1.7 | |
| Shooting Modes | Continuos Shooting, High Dynamic Range mode (HDR) | |
| Settings | Exposure compensation, ISO control | Exposure compensation, ISO control |
| Front Camera | OPPO Reno 3A | Samsung Galaxy A12 |
| Flash | No | |
| Autofocus | No | |
| Resolution | 16 MP f/2.0 Primary Camera | 8 MP f/2.2 Primary Camera |
| Camera Setup | Single | |
| Physical Aperture | F2.0 | |
| Video Recording | 1920x1080 @ 30 fps | |
| Connectivity | OPPO Reno 3A | Samsung Galaxy A12 |
| Network | 4G: Available , 3G: Available, 2G: Available | 4G , 3G, 2G |
| Bluetooth | yes v5.0 | Yes, v5.0 |
| 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 | |
| GPS | yes with A-GPS | Yes with A-GPS, Glonass |
| 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 | yes | No |
| VoLTE | yes | Yes |
| Wi-Fi | yes Wi-Fi 802.11, b/g/n | Yes, Wi-Fi 802.11, b/g/n |
| Wi-Fi Features | Mobile Hotspot | Wi-Fi Direct, Mobile Hotspot |
| USB Connectivity | Mass storage device, USB charging | Mass storage device, USB charging |
| Multimedia | OPPO Reno 3A | Samsung Galaxy A12 |
| Audio Jack | 3.5 mm | 3.5 mm |
| Loudspeaker | yes | |
| Design | OPPO Reno 3A | Samsung Galaxy A12 |
| Height | 160.9 mm | 164 mm |
| Width | 74.1 mm | 75.8 mm |
| Thickness | 8.2 mm | 8.9 mm |
| Weight | 175 grams | 205 grams |
| Colours | Black, Blue | Black, Blue, White |
| Build Material | Back: Plastic | |
| Battery | OPPO Reno 3A | Samsung Galaxy A12 |
| Type | Li-ion | Li-ion |
| Capacity | 4025 mAh | 5000 mAh |
| User Replaceable | No | |
| Quick Charging | yes Fast | Yes, Fast, 15W |
| Removable | No | |
| USB Type-C | yes | Yes |
| TalkTime | Up to 34 Hours(4G) | |
| Features | OPPO Reno 3A | Samsung Galaxy A12 |
| Fingerprint Sensor | yes | Yes |
| Fingerprint Sensor Position | On-screen | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer, Gyroscope | Light sensor, Proximity sensor, Accelerometer |
