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| ratings | ||||
| Overall NDTV Rating | Read Review | Read Review | ||
| Design Rating | ||||
| Display Rating | ||||
| Software Rating | ||||
| Performance Rating | ||||
| Battery Life Rating | ||||
| Camera Rating | ||||
| Value for Money Rating | ||||
| key specs | ||||
| Display | 6.10-inch | 6.00-inch | ||
| Processor | MediaTek Helio P22 | Qualcomm Snapdragon 425 | ||
| Front Camera | 5-megapixel | 5-megapixel | ||
| Rear Camera | 8-megapixel | 13-megapixel | ||
| RAM | 2GB | 2GB | ||
| Storage | 32GB | 32GB | ||
| Battery Capacity | 4000mAh | 3300mAh | ||
| OS | Android Pie | Android 8.1 | ||
| Resolution | 720x1560 pixels | 720x1480 pixels | ||
| general | ||||
| Brand | Oppo | Samsung | ||
| Model | A1k | Galaxy J4+ | ||
| Release date | April 1, 2019 | September 1, 2018 | ||
| Form factor | Touchscreen | - | ||
| Body type | Plastic | - | ||
| Dimensions (mm) | 154.50 x 73.80 x 8.40 | 161.40 x 76.90 x 7.90 | ||
| Weight (g) | 170.00 | 178.00 | ||
| Battery capacity (mAh) | 4000 | 3300 | ||
| Colours | Black, Red | Black, Gold, Pink | ||
| display | ||||
| Screen size (inches) | 6.10 | 6.00 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | 720x1560 pixels | 720x1480 pixels | ||
| Protection type | Gorilla Glass | - | ||
| Pixels per inch (PPI) | 282 | - | ||
| Aspect ratio | - | 18.5:9 | ||
| hardware | ||||
| Processor | octa-core | 1.4GHz quad-core | ||
| Processor make | MediaTek Helio P22 (MT6762) | Qualcomm Snapdragon 425 | ||
| RAM | 2GB | 2GB | ||
| Internal storage | 32GB | 32GB | ||
| Expandable storage | Yes | - | ||
| Expandable storage type | microSD | - | ||
| camera | ||||
| Rear camera | 8-megapixel (f/2.2, 1.4-micron) | 13-megapixel (f/1.9) | ||
| Rear flash | LED | Yes | ||
| Front camera | 5-megapixel (f/2.0, 1.12-micron) | 5-megapixel (f/2.2) | ||
| Rear autofocus | - | Yes | ||
| software | ||||
| Operating system | Android Pie | Android 8.1 | ||
| Skin | ColorOS 6.0 | - | ||
| connectivity | ||||
| Wi-Fi | Yes | Yes | ||
| Bluetooth | Yes, v 4.20 | Yes, v 4.20 | ||
| Micro-USB | Yes | - | ||
| Headphones | 3.5mm | 3.5mm | ||
| Number of SIMs | 2 | - | ||
| Wi-Fi standards supported | - | 802.11 b/g/n | ||
| GPS | - | Yes | ||
| FM | - | Yes | ||
| sim 1 | ||||
| SIM Type | Nano-SIM | - | ||
| sim 2 | ||||
| SIM Type | Nano-SIM | - | ||
| sensors | ||||
| Compass/ Magnetometer | Yes | Yes | ||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | Yes | Yes | ||
| Ambient light sensor | Yes | Yes | ||