Compare phones
| Global Score | |
| 79.2 | 76.7 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11, 10, 9.0 Pie | Android 11 |
| 2019-07-24 | 2021-05-27 |
| 6.04 x 2.83 x 0.33 inches | 6.23 x 2.96 x 0.33 inches |
| 6.13 ounces | 6.70 ounces |
| Blue, Gray and White | Moonlight White, Neptune Blue and Space Black, |
| Glass (Corning Gorilla Glass 5) and Plastic | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.1 inches | 6.3 inches |
| 1560 x 720 pixels | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 282 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 665 chipset | MediaTek Helio G85 MT6769Z chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 610 GPU | Mali G52 MC2 GPU |
| 9.09 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 13.18 | 10.02 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.44 | 11 |
| 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 HSPA |
| Nano SIM | Nano SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 4030mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| 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 global score of 79.2, which is slightly better than the Xiaomi Redmi Note 8 2021's 76.7 global score. Both of these phones use the same Android 11 OS. The Xiaomi Mi A3 is a a bit lighter phone than Xiaomi Redmi Note 8 2021, but both of them are 0.33inches thick. Xiaomi Redmi Note 8 2021 counts with a processor that is just as good as the Xiaomi Mi A3 one, both have the same RAM amount and a Octa-Core processing unit.
Xiaomi Redmi Note 8 2021 counts with a sharper display than Xiaomi Mi A3, because it has a bit larger screen, a better pixels count per screen inch and a much higher 1080 x 2340 resolution. Xiaomi Mi A3 features just a bit better camera than Xiaomi Redmi Note 8 2021, because although it has a tinier sensor which provides a worse photo and video quality, and they both have the same resolution back facing camera and a F1.8 aperture, the Xiaomi Mi A3 also counts with a lot better 3840x2160 (4K) video definition.
Xiaomi Mi A3 features a way bigger storage capacity for apps and games than Xiaomi Redmi Note 8 2021, because it has a slot for an external memory card that supports up to 256 GB and 128 GB internal memory. The Xiaomi Redmi Note 8 2021 and Xiaomi Mi A3 both feature really similar batteries, although the Xiaomi Redmi Note 8 2021 has just 4000mAh battery size.
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