| 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 | 6.70-inch | 6.39-inch |
| Processor | Qualcomm Snapdragon 7 Gen 3 | Qualcomm Snapdragon 730 |
| Front Camera | 16-megapixel | 20-megapixel |
| Rear Camera | 50-megapixel + 8-megapixel | 48-megapixel + 8-megapixel + 13-megapixel |
| RAM | 8GB | 6GB |
| Storage | 128GB, 256GB | 64GB |
| Battery Capacity | 5500mAh | 4000mAh |
| OS | Android 14 | Android Pie |
| Resolution | 1080x2412 pixels | 1080x2340 pixels |
| general |
| Brand | OnePlus | Xiaomi |
| Model | Nord CE 4 | Redmi K20 |
| Release date | April 1, 2024 | May 28, 2019 |
| Launched in India | Yes | Yes |
| Form factor | Touchscreen | Touchscreen |
| Body type | Polycarbonate | Glass |
| Dimensions (mm) | 162.50 x 75.30 x 8.40 | 156.70 x 74.30 x 8.80 |
| Weight (g) | 186.00 | 191.00 |
| IP rating | IP54 | - |
| Battery capacity (mAh) | 5500 | 4000 |
| Removable battery | No | - |
| Fast charging | Super VOOC | Proprietary |
| Wireless charging | No | - |
| Colours | Dark Chrome, Celadon Marble | Carbon Black, Glacier Blue, Flame Red |
| display |
| Refresh Rate | 120 Hz | - |
| Resolution Standard | FHD+ | - |
| Screen size (inches) | 6.70 | 6.39 |
| Touchscreen | Yes | Yes |
| Resolution | 1080x2412 pixels | 1080x2340 pixels |
| Pixels per inch (PPI) | 394 | 403 |
| Protection type | - | Gorilla Glass |
| Aspect ratio | - | 19.5:9 |
| hardware |
| Processor | 2.63 MHz octa-core | 1.8GHz octa-core (6x1.8GHz + 2x2.2GHz) |
| Processor make | Qualcomm Snapdragon 7 Gen 3 | Qualcomm Snapdragon 730 |
| RAM | 8GB | 6GB |
| Internal storage | 128GB, 256GB | 64GB |
| Expandable storage | Yes | No |
| Expandable storage type | microSD | - |
| Expandable storage up to (GB) | 1000 | - |
| Dedicated microSD slot | Yes | No |
| camera |
| Rear camera | 50-megapixel + 8-megapixel | 48-megapixel (f/1.75, 1.6-micron) + 8-megapixel (f/2.4, 1.12-micron) + 13-megapixel (f/2.4, 1.12-micron) |
| No. of Rear Cameras | 2 | - |
| Rear autofocus | Yes | Yes |
| Rear flash | Yes | Yes |
| Front camera | 16-megapixel | 20-megapixel (f/2.2, 0.8-micron) |
| No. of Front Cameras | 1 | - |
| Front autofocus | No | - |
| Front flash | No | No |
| Pop-Up Camera | - | Yes |
| software |
| Operating system | Android 14 | Android Pie |
| Skin | OxygenOS 14 | MIUI 10 |
| connectivity |
| Wi-Fi | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac |
| GPS | Yes | Yes |
| Bluetooth | Yes, v 5.40 | Yes, v 5.00 |
| NFC | Yes | No |
| USB Type-C | Yes | Yes |
| Number of SIMs | 2 | 2 |
| Active 4G on both SIM cards | Yes | Yes |
| Infrared | - | Yes |
| Headphones | - | 3.5mm |
| Wi-Fi Direct | - | Yes |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| 5G | Yes | - |
| sim 2 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| 5G | Yes | - |
| sensors |
| Face unlock | Yes | Yes |
| Compass/ Magnetometer | Yes | Yes |
| Proximity sensor | Yes | Yes |
| Accelerometer | Yes | Yes |
| Ambient light sensor | Yes | Yes |
| Gyroscope | Yes | Yes |
| Fingerprint sensor | - | Yes |