| Global Score | |
| 71.6 | 79.2 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 4.4.2, 4.2.1 | Android 11, 10, 9.0 Pie |
| 0000-00-00 | 2019-07-24 |
| 5.67 x 2.90 x 0.32 inches | 6.04 x 2.83 x 0.33 inches |
| 5.11 ounces | 6.13 ounces |
| Black | Blue, Gray and White |
| -- | Glass (Corning Gorilla Glass 5) and Plastic |
| -- | Scratch-Resistant Glass |
| $ 300.00 | -- |
| Display / Screen | |
| 5 inches | 6.1 inches |
| 1080 x 1920 pixels (Full HD) | 1560 x 720 pixels |
| IPS LCD | Super AMOLED |
| 441 pixels per inch | 282 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 800 8974-AB chipset | Qualcomm Snapdragon 665 chipset |
| Krait 400 (Quad-Core 2360 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 2 GB (933 MHz) RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 610 GPU |
| 9.27 | 9.09 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 7.7 | 13.18 |
| Camera | |
| 13.00 MP + 2.00 MP | 48.00 MP + 32.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 0.43 inches (1/2.3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 8.91 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM |
| 4.6 | 6.7 |
| Battery Life | |
| 3050mAh Li-Ion Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
The Xiaomi Mi A3 is much better than the Xiaomi Mi-3, having a 79.2 score against 71.6. These phones have Android OS (Operating System), but the Xiaomi Mi A3 has an older 11 version and Xiaomi Mi-3 has Android 4.4.2. Xiaomi Mi A3 is a heavier and a bit thicker phone than the Xiaomi Mi-3. The Xiaomi Mi-3 features a bit better hardware performance than Xiaomi Mi A3, because although it has a lower amount of RAM and an inferior number of cores , it also counts with a GPU.
Xiaomi Mi-3 counts with a much more vibrant screen than Xiaomi Mi A3, because although it has a little bit smaller screen, it also counts with a better 1920 x 1080 pixels resolution and a way better screen pixel density. Xiaomi Mi A3 captures much clearer pictures and videos than Xiaomi Mi-3, because it has a back camera with a way higher resolution, a lot better (4K) video definition and a larger aperture to take better low light images and videos.
The Xiaomi Mi A3 counts with a much better memory capacity to store more apps and games than Xiaomi Mi-3, because it has an external SD slot that admits up to 256 GB and more internal memory capacity. The Xiaomi Mi A3 counts with superior battery life than Xiaomi Mi-3, because it has a 32 percent larger battery size.
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