Compare phones
| Global Score | |
| 76.7 | 79.2 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11 | Android 11, 10, 9.0 Pie |
| 2021-05-27 | 2019-07-24 |
| 6.23 x 2.96 x 0.33 inches | 6.04 x 2.83 x 0.33 inches |
| 6.70 ounces | 6.13 ounces |
| Moonlight White, Neptune Blue and Space Black, | Blue, Gray and White |
| Glass and Plastic | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.1 inches |
| 2340 x 1080 pixels | 1560 x 720 pixels |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 282 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 665 chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali G52 MC2 GPU | Adreno 610 GPU |
| 9.09 | 9.09 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 10.02 | 13.18 |
| Camera | |
| 48.00 MP + 13.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.5 inches (1/2") sensor | 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 (120 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| Infra-red port | 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
Xiaomi Mi A3 has a score of 79.2, which is slightly better than Xiaomi Redmi Note 8 2021's global score of 76.7. Both phones in our current comparison come with the same Android 11 OS (operating system), so you shouldn't notice any differences regarding that. Xiaomi Mi A3 is a a little lighter cellphone than the Xiaomi Redmi Note 8 2021, but they have the same thickness.
The Xiaomi Redmi Note 8 2021 counts with a much better display than Xiaomi Mi A3, because it has a better pixel number in each inch in the display, a much higher 1080 x 2340 resolution and a bit bigger screen. The Xiaomi Mi A3's processing unit is very similar to the processing unit in Xiaomi Redmi Note 8 2021, both have a Octa-Core processing unit and the same RAM memory amount.
The Xiaomi Mi A3 counts with a way bigger memory capacity to install games and applications than Xiaomi Redmi Note 8 2021, because it has a SD memory card expansion slot that supports a maximum of 256 GB and more internal memory capacity. Xiaomi Mi A3 takes clearer photos and videos than Xiaomi Redmi Note 8 2021, because although it has a smaller back-facing camera sensor, and they both have a 48 mega pixels resolution back facing camera and a F1.8 diafragm aperture, the Xiaomi Mi A3 also counts with a much better 3840x2160 video resolution.
The Xiaomi Mi A3's battery duration is just as good as Xiaomi Redmi Note 8 2021's battery performance, although the Xiaomi Mi A3 also has a 1% larger battery size.
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