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- Oppo A77 4G vs Samsung Galaxy M21
Oppo A77 4G vs Samsung Galaxy M21 comparison
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| key specs | ||||
| Display | 6.56-inch | 6.40-inch | ||
| Front Camera | 8-megapixel | 20-megapixel | ||
| Rear Camera | 50-megapixel | 48-megapixel + 8-megapixel + 5-megapixel | ||
| RAM | 4GB | 4GB | ||
| Storage | 64GB | 64GB | ||
| Battery Capacity | 5000mAh | 6000mAh | ||
| OS | Android 12 | Android 10 | ||
| Processor | - | Samsung Exynos 9611 | ||
| Resolution | - | 2340x1080 pixels | ||
| general | ||||
| Brand | Oppo | Samsung | ||
| Model | A77 4G | Galaxy M21 | ||
| Release date | August 1, 2022 | March 18, 2020 | ||
| Launched in India | Yes | Yes | ||
| Dimensions (mm) | 163.74 x 75.03 x 7.99 | - | ||
| Weight (g) | 187.00 | 188.00 | ||
| Battery capacity (mAh) | 5000 | 6000 | ||
| Fast charging | Super VOOC | Proprietary | ||
| Colours | Sky Blue, Sunset Orange | Midnight Blue, Raven Black | ||
| Form factor | - | Touchscreen | ||
| Thickness | - | 8.9 | ||
| Removable battery | - | No | ||
| Wireless charging | - | No | ||
| display | ||||
| Resolution Standard | HD+ | - | ||
| Screen size (inches) | 6.56 | 6.40 | ||
| Touchscreen | Yes | Yes | ||
| Pixels per inch (PPI) | 269 | - | ||
| Resolution | - | 2340x1080 pixels | ||
| Protection type | - | Gorilla Glass | ||
| Aspect ratio | - | 19.5:9 | ||
| hardware | ||||
| RAM | 4GB | 4GB | ||
| Internal storage | 64GB | 64GB | ||
| Processor | - | 1.7GHz octa-core (4x1.7GHz + 4x2.3GHz) | ||
| Processor make | - | Samsung Exynos 9611 | ||
| Expandable storage | - | Yes | ||
| Expandable storage type | - | microSD | ||
| Expandable storage up to (GB) | - | 512 | ||
| camera | ||||
| Rear camera | 50-megapixel | 48-megapixel + 8-megapixel + 5-megapixel | ||
| No. of Rear Cameras | 2 | - | ||
| Front camera | 8-megapixel | 20-megapixel | ||
| Rear autofocus | - | Yes | ||
| Rear flash | - | Yes | ||
| Front flash | - | No | ||
| software | ||||
| Operating system | Android 12 | Android 10 | ||
| Skin | - | One UI 2.0 | ||
| connectivity | ||||
| Wi-Fi | Yes | Yes | ||
| Bluetooth | Yes | Yes | ||
| Wi-Fi standards supported | - | 802.11 a/b/g | ||
| GPS | - | Yes | ||
| USB Type-C | - | Yes | ||
| Headphones | - | 3.5mm | ||
| Number of SIMs | - | 2 | ||
| sensors | ||||
| Fingerprint sensor | Yes | Yes | ||
| Face unlock | - | Yes | ||
| Compass/ Magnetometer | - | Yes | ||
| Proximity sensor | - | Yes | ||
| Accelerometer | - | Yes | ||
| Ambient light sensor | - | Yes | ||
| ratings | ||||
| Overall NDTV Rating | - | Read Review | ||
| Design Rating | - | |||
| Display Rating | - | |||
| Software Rating | - | |||
| Performance Rating | - | |||
| Battery Life Rating | - | |||
| Camera Rating | - | |||
| Value for Money Rating | - | |||
| sim 1 | ||||
| SIM Type | - | Nano-SIM | ||
| GSM/CDMA | - | GSM | ||
| 3G | - | Yes | ||
| 4G/ LTE | - | Yes | ||
| sim 2 | ||||
| SIM Type | - | Nano-SIM | ||
| GSM/CDMA | - | GSM | ||
| 3G | - | Yes | ||
| 4G/ LTE | - | Yes | ||
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