| Global Score | |
| 71.6 | 79.9 |
| Basic Information | |
| Xiaomi | Oppo |
| Android 4.4.2, 4.2.1 | Android 11 |
| 0000-00-00 | 2021-03-30 |
| 5.67 x 2.90 x 0.32 inches | 6.43 x 2.91 x 0.33 inches |
| 5.11 ounces | 6.81 ounces |
| Black | Blue and Gloss Black |
| -- | Scratch-Resistant Glass |
| $ 300.00 | -- |
| Display / Screen | |
| 5 inches | 6.7 inches |
| 1080 x 1920 pixels (Full HD) | 3216 x 1440 pixels |
| IPS LCD | AMOLED |
| 441 pixels per inch | 526 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 800 8974-AB chipset | Qualcomm Snapdragon 888 chipset |
| Krait 400 (Quad-Core 2360 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 2 GB (933 MHz) RAM | 12 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 7.7 | 13.3 |
| Camera | |
| 13.00 MP + 2.00 MP | 50.00 MP + 32.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 0.64 inches (1/1.56") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 8.91 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM, Dual SIM |
| 4.6 | 10.7 |
| Battery Life | |
| 3050mAh Li-Ion Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.04 | 6.32 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
OPPO Find X3 Pro is better than the Xiaomi Mi-3, with a score of 79.9 against 71.6. These devices include Android operating system, but OPPO Find X3 Pro has the older 11 version and Xiaomi Mi-3 has Android 4.4.2 version. The OPPO Find X3 Pro body is much heavier and a bit thicker than Xiaomi Mi-3.
OPPO Find X3 Pro features a bit superior processing unit than Xiaomi Mi-3, because although it has doesn't have an additional graphics processing unit, it also counts with a larger number of cores and 10 GB more RAM memory. Xiaomi Mi-3 has a little sharper display than OPPO Find X3 Pro, although it has a much smaller screen, a lot lower resolution of 1920 x 1080px and a bit lower pixel count per inch in the screen.
OPPO Find X3 Pro shoots much clearer videos and photos than Xiaomi Mi-3, because it has a much better (4K) video definition, a back-facing camera with a lot better 50 megapixels resolution and a bigger aperture. The OPPO Find X3 Pro features a way bigger storage for apps and games than Xiaomi Mi-3, because it has 192 GB more internal storage capacity.
The OPPO Find X3 Pro counts with a superior battery life than Xiaomi Mi-3, because it has 4500mAh of battery capacity against 3050mAh.
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