Compare phones
| Global Score | |
| 83.3 | 79.2 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 10, 9.0 Pie, 8.0 Oreo | Android 11, 10, 9.0 Pie |
| 2018-06-05 | 2019-07-24 |
| 6.10 x 2.94 x 0.30 inches | 6.04 x 2.83 x 0.33 inches |
| 6.17 ounces | 6.13 ounces |
| Black, Blue, Gold and White | Blue, Gray and White |
| Glass (Corning Gorilla Glass 5) | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.2 inches | 6.1 inches |
| 2248 x 1080 pixels | 1560 x 720 pixels |
| AMOLED | Super AMOLED |
| 402 pixels per inch | 282 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 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 |
| 6 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 | |
| 12.00 MP + 20.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 56.00mm focal length | -- |
| 0.39 inches (1/2.55") 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 (960 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.9 | 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 |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3400mAh Li - Polymer Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.36 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi Mi 8 is just a bit better than the Xiaomi Mi A3, with an 83.3 score against 79.2. Both phones in this comparison include Android OS (Operating System), but the Xiaomi Mi 8 has 10 version while Xiaomi Mi A3 has Android 11 version. The Xiaomi Mi 8 is an older and just a little bit heavier cellphone than Xiaomi Mi A3, but Xiaomi made it a little thinner anyway.
Xiaomi Mi 8 has a better screen than Xiaomi Mi A3, because it has a much better 1080 x 2248 resolution, a higher pixel quantity in each inch in the screen and a bit larger screen. The Xiaomi Mi 8 has a bit better processing unit than Xiaomi Mi A3, and although they both have 8 cores, the Xiaomi Mi 8 also has 2 GB more RAM memory.
Xiaomi Mi 8 counts with slightly more memory capacity for applications and games than Xiaomi Mi A3, because although it has no SD memory slot, it also counts with 256 GB internal memory. The Xiaomi Mi A3 has longer battery lifetime than Xiaomi Mi 8, because it has a 4030mAh battery size against 3400mAh.
Xiaomi Mi A3 shoots much better photographs and videos than Xiaomi Mi 8, and although they both have the same 3840x2160 (4K) video resolution, the same 30 frames per second video frame rates and the same diafragm aperture, the Xiaomi Mi A3 also has a camera with a much better 48 mega-pixels resolution and a bigger camera sensor providing a higher image quality.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.