Compare phones
| Global Score | |
| 79.9 | 79.2 |
| Basic Information | |
| Oppo | Xiaomi |
| Android 11 | Android 11, 10, 9.0 Pie |
| 2021-03-30 | 2019-07-24 |
| 6.43 x 2.91 x 0.33 inches | 6.04 x 2.83 x 0.33 inches |
| 6.81 ounces | 6.13 ounces |
| Blue and Gloss Black | Blue, Gray and White |
| -- | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.1 inches |
| 3216 x 1440 pixels | 1560 x 720 pixels |
| AMOLED | Super AMOLED |
| 526 pixels per inch | 282 pixels per inch |
| No touch screen | No touch screen |
| 8.8 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 665 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 610 GPU |
| 9.72 | 9.09 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 13.3 | 13.18 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.64 inches (1/1.56") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 12.1 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The OPPO Find X3 Pro is slightly better than Xiaomi Mi A3, having a 79.9 score against 79.2. These devices have the same Android 11 OS, so you shouldn't notice any difference regarding that. OPPO Find X3 Pro's construction has the same thickness than the Xiaomi Mi A3, but it's just a little bit heavier.
The OPPO Find X3 Pro features just a little better performance than Xiaomi Mi A3, and although they both have 8 cores, the OPPO Find X3 Pro also has a larger amount of RAM memory. The OPPO Find X3 Pro counts with a much more vibrant screen than Xiaomi Mi A3, because it has a lot better 1440 x 3216 resolution, a lot better pixel amount per screen inch and a little bigger display.
OPPO Find X3 Pro features a little bit better camera than Xiaomi Mi A3, and although they both have a F1.8 diafragm aperture and the same video resolution, the OPPO Find X3 Pro also has a much larger back-facing camera sensor taking more light and vivid colors, better video frame rates and a back camera with a higher 50 mega-pixels resolution.
The OPPO Find X3 Pro features a little bit better memory to install games and applications than Xiaomi Mi A3, because although it has no external memory card slot, it also counts with 128 GB more internal storage. The OPPO Find X3 Pro has just a bit better battery life than Xiaomi Mi A3, because it has a 12% larger battery capacity.
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