Compare phones
| Global Score | |
| 75 | 76.7 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat | Android 11 |
| 2017-09-12 | 2021-05-27 |
| 6.12 x 2.98 x 0.29 inches | 6.23 x 2.96 x 0.33 inches |
| 5.82 ounces | 6.70 ounces |
| Black, Gold and Pink | Moonlight White, Neptune Blue and Space Black, |
| Metal | Glass and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.3 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 401 pixels per inch | 409 pixels per inch |
| 450 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | MediaTek Helio G85 MT6769Z chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 506 GPU | Mali G52 MC2 GPU |
| 9.09 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 10.78 | 10.02 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 13.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| -- | 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 |
| 9.35 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Nano SIM | Nano SIM |
| 6.1 | 6.6 |
| Battery Life | |
| 3080mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.2 |
| GPS | GPS |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi Redmi Note 8 2021 has a score of 76.7, which is just a bit better than Xiaomi Mi A1's score of 75. The Xiaomi Redmi Note 8 2021 body is newer, but thicker and somewhat heavier than Xiaomi Mi A1. Both phones in this review have Android OS (Operating System), but the Xiaomi Redmi Note 8 2021 has 11 version while Xiaomi Mi A1 has Android 9.0 Pie version.
The Xiaomi Redmi Note 8 2021 counts with a processor that's just as good as the processing unit in Xiaomi Mi A1, both have the same RAM amount and a Octa-Core processing unit. Xiaomi Mi A1 features a little more vivid screen than Xiaomi Redmi Note 8 2021, although it has a just a little lower pixels number per screen inch, a bit lower resolution of 1080 x 1920 pixels and a little smaller screen.
The Xiaomi Mi A1 has a little bit better memory to install applications and games or saving photos and videos than Xiaomi Redmi Note 8 2021, and although they both have exactly the same internal storage, the Xiaomi Mi A1 also has an external SD slot that allows up to 256 GB. The Xiaomi Redmi Note 8 2021 has a superior camera than Xiaomi Mi A1, and although they both have the same video quality and the same 30 frames per second video frame rates, the Xiaomi Redmi Note 8 2021 also has a bigger aperture to capture better low light photography and a much better resolution back camera.
The Xiaomi Redmi Note 8 2021 has better battery duration than Xiaomi Mi A1, because it has a 30% more battery capacity.
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