Compare phones
| Global Score | |
| 78.8 | 76.7 |
| Basic Information | |
| Xiaomi | |
| Android 11, 10, 9.0 Pie | Android 11 |
| 2019-05-07 | 2021-05-27 |
| 5.96 x 2.76 x 0.32 inches | 6.23 x 2.96 x 0.33 inches |
| 5.19 ounces | 6.70 ounces |
| Black, Purple and White | Moonlight White, Neptune Blue and Space Black, |
| Plastic | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 186.00 | -- |
| Display / Screen | |
| 5.6 inches | 6.3 inches |
| 2220 x 1080 pixels | 2340 x 1080 pixels |
| OLED | IPS LCD |
| 441 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 670 SDM670 chipset | MediaTek Helio G85 MT6769Z chipset |
| Kryo 360, 64-bit, 10 nm (Octa-Core 2000 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 615 GPU | Mali G52 MC2 GPU |
| 9.09 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 7.7 | 10.02 |
| Camera | |
| 12.20 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.39 inches (1/2.55") 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 |
| 9.79 | 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 | |
| 3000mAh 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 |
| 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 |
Comparison review
Google Pixel 3a is slightly better than Xiaomi Redmi Note 8 2021, having a 78.8 score against 76.7. Google Pixel 3a's design is just a little thinner and notably lighter than Xiaomi Redmi Note 8 2021, even though it was released 2 years before. Both phones in this comparison review include the same Android 11 OS (Operating System), so you shouldn't perceive any difference in that aspect.
The Xiaomi Redmi Note 8 2021's processing unit is just as good as Google Pixel 3a's processor, both have a 4 GB RAM and 8 CPU cores. The Google Pixel 3a features a little sharper screen than Xiaomi Redmi Note 8 2021, because although it has a little smaller screen and a little bit worse 1080 x 2220 resolution, it also counts with a just a bit higher screen pixels density.
Xiaomi Redmi Note 8 2021 features a better camera than Google Pixel 3a, and although they both have the same video frame rate, the same video resolution and a same size diafragm aperture, the Xiaomi Redmi Note 8 2021 also has a lot bigger sensor capturing much better quality videos and pictures and a lot more mega-pixels back-facing camera.
The Xiaomi Redmi Note 8 2021 features a much bigger storage for applications, games, photos and videos than Google Pixel 3a, and although they both have exactly the same 64 GB internal storage capacity, the Xiaomi Redmi Note 8 2021 also has a SD memory card expansion slot that allows a maximum of 128 GB.
Xiaomi Redmi Note 8 2021 features greater battery lifetime than Google Pixel 3a, because it has 4000mAh of battery capacity.
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