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- Oppo A18 vs Realme C21
Oppo A18 vs Realme C21 comparison
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| key specs | ||||
| Display | 6.56-inch | 6.50-inch | ||
| Processor | MediaTek Helio G85 | MediaTek Helio G35 | ||
| Front Camera | Unspecified | 5-megapixel | ||
| Rear Camera | 8-megapixel + 2-megapixel | 13-megapixel + 2-megapixel + 2-megapixel | ||
| RAM | 4GB | 3GB, 4GB | ||
| Storage | 64GB, 128GB | 32GB, 64GB | ||
| Battery Capacity | 5000mAh | 5000mAh | ||
| OS | Android 13 | Android 10 | ||
| Resolution | 720x1612 pixels | 720x1600 pixels | ||
| general | ||||
| Brand | Oppo | Realme | ||
| Model | A18 | C21 | ||
| Release date | September 28, 2023 | April 8, 2021 | ||
| Launched in India | No | Yes | ||
| Form factor | Touchscreen | - | ||
| Dimensions (mm) | 163.74 x 75.03 x 8.16 | 165.20 x 76.40 x 8.90 | ||
| Weight (g) | 188.00 | 190.00 | ||
| Battery capacity (mAh) | 5000 | 5000 | ||
| Colours | Glowing Black, Glowing Blue | Cross Black, Cross Blue | ||
| display | ||||
| Refresh Rate | 90 Hz | - | ||
| Resolution Standard | HD+ | - | ||
| Screen size (inches) | 6.56 | 6.50 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | 720x1612 pixels | 720x1600 pixels | ||
| hardware | ||||
| Processor | octa-core | octa-core | ||
| Processor make | MediaTek Helio G85 | MediaTek Helio G35 | ||
| RAM | 4GB | 3GB, 4GB | ||
| Internal storage | 64GB, 128GB | 32GB, 64GB | ||
| Expandable storage | - | Yes | ||
| Expandable storage type | - | microSD | ||
| Expandable storage up to (GB) | - | 256 | ||
| Dedicated microSD slot | - | Yes | ||
| camera | ||||
| Rear camera | 8-megapixel + 2-megapixel | 13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4) | ||
| No. of Rear Cameras | 2 | 3 | ||
| Front camera | Unspecified | 5-megapixel (f/2.2) | ||
| No. of Front Cameras | 1 | 1 | ||
| software | ||||
| Operating system | Android 13 | Android 10 | ||
| Skin | ColorOS 13.1 | Realme UI | ||
| connectivity | ||||
| Wi-Fi | Yes | Yes | ||
| Wi-Fi standards supported | 802.11 a/b/g/n | 802.11 b/g/n | ||
| Bluetooth | Yes, v 5.30 | Yes, v 5.00 | ||
| USB Type-C | Yes | - | ||
| Headphones | 3.5mm | 3.5mm | ||
| Number of SIMs | 2 | 2 | ||
| GPS | - | Yes | ||
| Micro-USB | - | Yes | ||
| sensors | ||||
| Fingerprint sensor | Yes | Yes | ||
| Compass/ Magnetometer | Yes | Yes | ||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | Yes | Yes | ||
| Ambient light sensor | Yes | 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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