Compare phones
| Global Score | |
| 78 | 76.7 |
| Basic Information | |
| Xiaomi | Xiaomi |
| -- | Android 11 |
| 2018-07-27 | 2021-05-27 |
| 6.25 x 2.97 x 0.29 inches | 6.23 x 2.96 x 0.33 inches |
| 5.93 ounces | 6.70 ounces |
| Black, Blue, Gold, Pink and Red | Moonlight White, Neptune Blue and Space Black, |
| Aluminum | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6 inches | 6.3 inches |
| 2160 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 402 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | MediaTek Helio G85 MT6769Z chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 512 GPU | Mali G52 MC2 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 10.1 | 10.02 |
| Camera | |
| 12.00 MP + 20.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.34 inches (1/2.9") 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 (120 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.79 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.3 | 6.6 |
| Battery Life | |
| 3010mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 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 A2 is just a bit better than the Xiaomi Redmi Note 8 2021, having a 78 score against 76.7. The Xiaomi Mi A2 is an older cellphone than the Xiaomi Redmi Note 8 2021, but Xiaomi was able to build it somewhat thinner and somewhat lighter. Xiaomi Redmi Note 8 2021 has a screen that's just as good as the Xiaomi Mi A2 one, although the Xiaomi Redmi Note 8 2021 also has a quite larger display, a quite better quantity of pixels in each screen inch and a quite better resolution of 1080 x 2340.
The Xiaomi Mi A2 features a slightly bigger memory for games and applications than Xiaomi Redmi Note 8 2021, because although it has no slot for external memory cards, it also counts with 128 GB internal storage capacity. Xiaomi Mi A2 has a little faster processing unit than Xiaomi Redmi Note 8 2021, and although they both have 8 cpu cores, the Xiaomi Mi A2 also has more RAM memory.
Xiaomi Redmi Note 8 2021 has a superior camera than Xiaomi Mi A2, and although they both have the same 1920x1080 (Full HD) video definition, the same video frame rates and a same size camera aperture, the Xiaomi Redmi Note 8 2021 also has a lot bigger back-facing camera sensor capturing way higher quality videos and photographs and a much better resolution back camera.
The Xiaomi Redmi Note 8 2021 counts with superior battery life than Xiaomi Mi A2, because it has a 4000mAh battery capacity.
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