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- OnePlus 15R vs Karbonn KT21
OnePlus 15R vs Karbonn KT21 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 | 6.83-inch | 2.80-inch | ||
| Processor | Snapdragon 8 Gen 5 | one-core | ||
| Front Camera | 32-megapixel | No | ||
| Rear Camera | 50-megapixel + 8-megapixel | 3.2-megapixel | ||
| RAM | 12GB | - | ||
| Storage | 256GB, 512GB | - | ||
| Battery Capacity | 7,400mAh | 1000mAh | ||
| OS | Android 16 | Proprietary | ||
| Resolution | 1272x2800 pixels | - | ||
| general | ||||
| Brand | OnePlus | Karbonn | ||
| Model | 15R | KT21 | ||
| Release date | December 17, 2025 | March 1, 2012 | ||
| Launched in India | Yes | - | ||
| Form factor | Touchscreen | Bar | ||
| Dimensions (mm) | 163.40 x 77.00 x 8.30 | - | ||
| Weight (g) | 219.00 | - | ||
| IP rating | IP69 | - | ||
| Battery capacity (mAh) | 7,400 | 1000 | ||
| Removable battery | No | Yes | ||
| Fast charging | 80W Fast Charging | - | ||
| Colours | Charcoal Black, Mint Breeze, and Electric Violet | Black | ||
| display | ||||
| Refresh Rate | 165 Hz | - | ||
| Resolution Standard | FHD+ | - | ||
| Screen size (inches) | 6.83 | 2.80 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | 1272x2800 pixels | - | ||
| Protection type | Gorilla Glass 7i | - | ||
| Aspect ratio | 19.8:9 | - | ||
| Pixels per inch (PPI) | 450 | - | ||
| hardware | ||||
| Processor | 3.8 MHz octa-core | one-core | ||
| Processor make | Snapdragon 8 Gen 5 | - | ||
| RAM | 12GB | - | ||
| Internal storage | 256GB, 512GB | - | ||
| Expandable storage | - | Yes | ||
| Expandable storage type | - | microSD | ||
| Expandable storage up to (GB) | - | 32 | ||
| camera | ||||
| Rear camera | 50-megapixel (f/1.8) + 8-megapixel (f/2.2) | 3.2-megapixel | ||
| No. of Rear Cameras | 2 | - | ||
| Rear autofocus | Yes | - | ||
| Rear flash | Yes | Yes | ||
| Front camera | 32-megapixel (f/2.0) | No | ||
| No. of Front Cameras | 1 | - | ||
| Pop-Up Camera | No | - | ||
| software | ||||
| Operating system | Android 16 | Proprietary | ||
| Skin | OxygenOS 16 | - | ||
| connectivity | ||||
| Wi-Fi 7 | Yes | - | ||
| GPS | Yes | No | ||
| Bluetooth | Yes, v 6.00 | Yes | ||
| NFC | Yes | No | ||
| USB Type-C | Yes | - | ||
| Active 4G on both SIM cards | Yes | - | ||
| Wi-Fi | - | No | ||
| Infrared | - | No | ||
| USB OTG | - | No | ||
| Headphones | - | 3.5mm | ||
| FM | - | Yes | ||
| Number of SIMs | - | 2 | ||
| Wi-Fi Direct | - | No | ||
| Mobile High-Definition Link (MHL) | - | No | ||
| sensors | ||||
| Compass/ Magnetometer | Yes | No | ||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | Yes | Yes | ||
| Ambient light sensor | Yes | No | ||
| Gyroscope | Yes | No | ||
| Temperature sensor | Yes | No | ||
| Barometer | - | No | ||
| sim 1 | ||||
| SIM Type | - | Regular | ||
| GSM/CDMA | - | GSM | ||
| 3G | - | No | ||
| 4G/ LTE | - | No | ||
| sim 2 | ||||
| SIM Type | - | Regular | ||
| GSM/CDMA | - | GSM | ||
| 3G | - | No | ||
| 4G/ LTE | - | No | ||
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