Compare phones
| Global Score | |
| 76.7 | 78.8 |
| Basic Information | |
| Xiaomi | |
| Android 11 | Android 11, 10, 9.0 Pie |
| 2021-05-27 | 2019-05-07 |
| 6.23 x 2.96 x 0.33 inches | 5.96 x 2.76 x 0.32 inches |
| 6.70 ounces | 5.19 ounces |
| Moonlight White, Neptune Blue and Space Black, | Black, Purple and White |
| Glass and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 186.00 |
| Display / Screen | |
| 6.3 inches | 5.6 inches |
| 2340 x 1080 pixels | 2220 x 1080 pixels |
| IPS LCD | OLED |
| 409 pixels per inch | 441 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 670 SDM670 chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali G52 MC2 GPU | Adreno 615 GPU |
| 9.09 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 7.7 |
| Camera | |
| 48.00 MP + 13.00 MP | 12.20 MP + 8.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 28.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") 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 | 9.79 |
| 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 | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 4.96 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Google Pixel 3a is a bit better than the Xiaomi Redmi Note 8 2021, having a overall score of 78.8 against 76.7. Both of these phones work with the same Android 11 OS, so they should offer very similar operating system features. Despite of the fact that the Google Pixel 3a is extremely older than the Xiaomi Redmi Note 8 2021, it's construction is lighter and a bit thinner.
The Google Pixel 3a features a little sharper screen than Xiaomi Redmi Note 8 2021, because although it has a little worse 1080 x 2220 resolution and a little bit smaller screen, it also counts with a little bit higher display pixel density. Google Pixel 3a's processing unit is very similar to the CPU in Xiaomi Redmi Note 8 2021, both of them have 8 cpu cores and the same RAM memory amount.
The Xiaomi Redmi Note 8 2021 has a very superior memory for games and applications than Google Pixel 3a, and although they both have equal 64 GB internal memory, the Xiaomi Redmi Note 8 2021 also has an external memory card slot that holds up to 128 GB. Xiaomi Redmi Note 8 2021 captures much better videos and photos than Google Pixel 3a, and although they both have the same 30 fps video frame rates, the same 1920x1080 video quality and a same size camera aperture, the Xiaomi Redmi Note 8 2021 also has a lot bigger camera sensor shooting much better quality videos and pictures and a much higher resolution back-facing camera.
Xiaomi Redmi Note 8 2021 counts with longer battery life than Google Pixel 3a, because it has a 4000mAh battery capacity.
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