Compare phones
| Global Score | |
| 72.2 | 79.2 |
| Basic Information | |
| Oppo | Xiaomi |
| Android 8.1 Oreo | Android 11, 10, 9.0 Pie |
| 2018-07-25 | 2019-07-24 |
| 6.17 x 2.92 x 0.38 inches | 6.04 x 2.83 x 0.33 inches |
| 6.56 ounces | 6.13 ounces |
| Blue and Red | Blue, Gray and White |
| Aluminum and Glass | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.1 inches |
| 2340 x 1080 pixels | 1560 x 720 pixels |
| AMOLED | Super AMOLED |
| 403 pixels per inch | 282 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Qualcomm Snapdragon 665 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 630 GPU | Adreno 610 GPU |
| 9.63 | 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 | |
| 16.00 MP + 25.00 MP | 48.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 0.38 inches (1/2.6") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.12 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3730mAh Li - Ion Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.68 | 5.92 |
| Other Features | |
| Bluetooth 5.0, EDR | Bluetooth 5.0 |
| GPS | GPS |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Xiaomi Mi A3 has a general score of 79.2, which is slightly better than OPPO Find X's score of 72.2. Xiaomi Mi A3 is a newer phone, and it is also just a little bit lighter and thinner than OPPO Find X. These phones have Android OS, but Xiaomi Mi A3 has an older 11 version and OPPO Find X has Android 8.1 Oreo.
OPPO Find X counts with a little faster CPU than Xiaomi Mi A3, and although they both have a Octa-Core processor, the OPPO Find X also has more RAM memory. The OPPO Find X has a brighter display than Xiaomi Mi A3, because it has a bit larger screen, a higher pixels density and a lot higher resolution of 1080 x 2340px.
OPPO Find X features just a bit more memory for applications, games, photos and videos than Xiaomi Mi A3, because although it has no SD memory card expansion slot, it also counts with 128 GB more internal memory capacity. Xiaomi Mi A3 takes much better photos and videos than OPPO Find X, and although they both have the same (4K) video quality and the same 30 fps video frame rate, the Xiaomi Mi A3 also has a larger aperture for better photography and video in poorly lited situations, a larger sensor capturing higher quality videos and photographs and a back-facing camera with lot more mega-pixels.
The Xiaomi Mi A3 features a bit superior battery duration than OPPO Find X, because it has a 4030mAh battery capacity against 3730mAh.
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