| key specs | 
| Display | 6.59-inch | 6.39-inch | 
| Front Camera | 50-megapixel | 24-megapixel + 2-megapixel | 
| Rear Camera | 50-megapixel + 8-megapixel + 50-megapixel | 12-megapixel + 12-megapixel | 
| RAM | 8GB, 12GB | 6GB | 
| Storage | 256GB, 512GB | 128GB | 
| Battery Capacity | 6000mAh | 3800mAh | 
| OS | Android 15 | Android 8.1 | 
| Resolution | 1256x2760 pixels | 1080x2340 pixels | 
| Processor | - | Qualcomm Snapdragon 855 | 
| general | 
| Brand | Oppo | Xiaomi | 
| Model | Reno 14 5G | Mi Mix 3 5G | 
| Release date | July 3, 2025 | February 1, 2019 | 
| Launched in India | Yes | No | 
| Form factor | Touchscreen | Touchscreen | 
| Dimensions (mm) | 157.90 x 74.73 x 7.42 | 157.89 x 74.69 x 8.46 | 
| Weight (g) | 187.00 | 218.00 | 
| IP rating | IP69 | - | 
| Battery capacity (mAh) | 6000 | 3800 | 
| Fast charging | 80W Fast Charging | Proprietary | 
| Wireless charging | No | Yes | 
| Colours | Mermaid, Pinellia Green, Reef Black | Onyx Black, Sapphire Blue | 
| Removable battery | - | No | 
| display | 
| Refresh Rate | 120 Hz | - | 
| Resolution Standard | 1.5K | - | 
| Screen size (inches) | 6.59 | 6.39 | 
| Touchscreen | Yes | Yes | 
| Resolution | 1256x2760 pixels | 1080x2340 pixels | 
| Pixels per inch (PPI) | 460 | - | 
| Aspect ratio | - | 19.5:9 | 
| hardware | 
| Processor make | MediaTek Dimensity 8350 | Qualcomm Snapdragon 855 | 
| RAM | 8GB, 12GB | 6GB | 
| Internal storage | 256GB, 512GB | 128GB | 
| Processor | - | octa-core | 
| Expandable storage | - | No | 
| camera | 
| Rear camera | 50-megapixel + 8-megapixel + 50-megapixel | 12-megapixel (f/1.8, 1.4-micron) + 12-megapixel (f/2.4, 1-micron) | 
| No. of Rear Cameras | 3 | - | 
| Rear flash | Yes | Dual LED | 
| Front camera | 50-megapixel | 24-megapixel (1.8-micron) + 2-megapixel | 
| No. of Front Cameras | 1 | - | 
| Lens Type (Second Rear Camera) | Ultra Wide-Angle | - | 
| Lens Type (Third Rear Camera) | Telephoto | - | 
| Rear autofocus | - | Phase detection autofocus | 
| Pop-Up Camera | - | Yes | 
| Front flash | - | Yes | 
| software | 
| Operating system | Android 15 | Android 8.1 | 
| Skin | ColorOS 15 | MIUI 10 | 
| connectivity | 
| Wi-Fi | Yes | Yes | 
| GPS | Yes | Yes | 
| Bluetooth | Yes, v 5.40 | Yes, v 5.00 | 
| NFC | Yes | Yes | 
| Infrared | Yes | - | 
| USB OTG | Yes | - | 
| USB Type-C | Yes | Yes | 
| Headphones | Type-C | - | 
| Number of SIMs | 2 | 2 | 
| Active 4G on both SIM cards | Yes | Yes | 
| Wi-Fi standards supported | - | 802.11 a/b/g/n/ac | 
| sensors | 
| In-Display Fingerprint Sensor | Yes | - | 
| Compass/ Magnetometer | Yes | Yes | 
| Proximity sensor | Yes | Yes | 
| Accelerometer | Yes | Yes | 
| Gyroscope | Yes | Yes | 
| Face unlock | - | Yes | 
| Fingerprint sensor | - | Yes | 
| Ambient light sensor | - | Yes | 
| sim 1 | 
| SIM Type | - | Nano-SIM | 
| GSM/CDMA | - | GSM | 
| 3G | - | Yes | 
| 4G/ LTE | - | Yes | 
| 5G | - | Yes | 
| sim 2 | 
| SIM Type | - | Nano-SIM | 
| GSM/CDMA | - | GSM | 
| 3G | - | Yes | 
| 4G/ LTE | - | Yes |