Realme C25 vs Realme C21 comparison
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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 | 6.50-inch | 6.50-inch |
| Processor | MediaTek Helio G70 | MediaTek Helio G35 |
| Front Camera | 8-megapixel | 5-megapixel |
| Rear Camera | 13-megapixel + 2-megapixel + 2-megapixel | 13-megapixel + 2-megapixel + 2-megapixel |
| RAM | 4GB | 3GB, 4GB |
| Storage | 64GB, 128GB | 32GB, 64GB |
| Battery Capacity | 6000mAh | 5000mAh |
| OS | Android 11 | Android 10 |
| Resolution | 720x1600 pixels | 720x1600 pixels |
| general |
| Brand | Realme | Realme |
| Model | C25 | C21 |
| Release date | March 23, 2021 | April 8, 2021 |
| Launched in India | Yes | Yes |
| Form factor | Touchscreen | - |
| Dimensions (mm) | 164.50 x 75.90 x 9.60 | 165.20 x 76.40 x 8.90 |
| Weight (g) | 209.00 | 190.00 |
| Battery capacity (mAh) | 6000 | 5000 |
| Colours | Watery Blue, Watery Grey | Cross Black, Cross Blue |
| display |
| Screen size (inches) | 6.50 | 6.50 |
| Touchscreen | Yes | Yes |
| Resolution | 720x1600 pixels | 720x1600 pixels |
| Aspect ratio | 20:9 | - |
| hardware |
| Processor | octa-core | octa-core |
| Processor make | MediaTek Helio G70 | MediaTek Helio G35 |
| RAM | 4GB | 3GB, 4GB |
| Internal storage | 64GB, 128GB | 32GB, 64GB |
| Expandable storage | Yes | Yes |
| Expandable storage type | microSD | microSD |
| Expandable storage up to (GB) | 256 | 256 |
| Dedicated microSD slot | Yes | Yes |
| camera |
| Rear camera | 13-megapixel (f/1.8) + 2-megapixel (f/2.4) + 2-megapixel | 13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4) |
| No. of Rear Cameras | 3 | 3 |
| Rear autofocus | Yes | - |
| Rear flash | Yes | - |
| Front camera | 8-megapixel (f/2.0) | 5-megapixel (f/2.2) |
| No. of Front Cameras | 1 | 1 |
| software |
| Operating system | Android 11 | Android 10 |
| Skin | Realme UI 2.0 | Realme UI |
| connectivity |
| Wi-Fi | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 b/g/n |
| GPS | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 |
| USB Type-C | Yes | - |
| Headphones | 3.5mm | 3.5mm |
| Number of SIMs | 2 | 2 |
| Micro-USB | - | Yes |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| sim 2 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| sensors |
| Face unlock | Yes | - |
| Fingerprint sensor | Yes | Yes |
| Compass/ Magnetometer | Yes | Yes |
| Proximity sensor | Yes | Yes |
| Accelerometer | Yes | Yes |
| Ambient light sensor | Yes | Yes |