Compare phones
| Global Score | |
| 71.6 | 76.7 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 4.4.2, 4.2.1 | Android 11 |
| 0000-00-00 | 2021-05-27 |
| 5.67 x 2.90 x 0.32 inches | 6.23 x 2.96 x 0.33 inches |
| 5.11 ounces | 6.70 ounces |
| Black | Moonlight White, Neptune Blue and Space Black, |
| -- | Glass and Plastic |
| -- | Scratch-Resistant Glass |
| $ 300.00 | -- |
| Display / Screen | |
| 5 inches | 6.3 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 441 pixels per inch | 409 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 800 8974-AB chipset | MediaTek Helio G85 MT6769Z chipset |
| Krait 400 (Quad-Core 2360 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 2 GB (933 MHz) RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali G52 MC2 GPU |
| 9.27 | 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 | |
| 13.00 MP + 2.00 MP | 48.00 MP + 13.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 8.91 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| SIM | Nano SIM |
| 4.6 | 6.6 |
| Battery Life | |
| 3050mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Redmi Note 8 2021 is just a bit better than Xiaomi Mi-3, getting a 76.7 score against 71.6. The Xiaomi Redmi Note 8 2021 construction is a little thicker and way heavier than the Xiaomi Mi-3. Both phones we are comparing here come with Android OS, but Xiaomi Redmi Note 8 2021 has the older 11 version and Xiaomi Mi-3 has Android 4.4.2 version.
The Xiaomi Mi-3 has a bit faster processing unit than Xiaomi Redmi Note 8 2021, because although it has less processing cores (but faster) and 2 GB lesser RAM, it also counts with an extra graphics processing unit. Xiaomi Mi-3 features a better looking display than Xiaomi Redmi Note 8 2021, because although it has a much smaller display and a little bit lower 1920 x 1080 pixels resolution, it also counts with a little greater pixels amount in each inch in the display.
Xiaomi Redmi Note 8 2021 shoots much clearer photos and videos than Xiaomi Mi-3, and although they both have the same (Full HD) video resolution and the same 30 frames per second video frame rate, the Xiaomi Redmi Note 8 2021 also has a lot higher 48 megapixels resolution camera in the back and a larger aperture to take better low-light images and video.
Xiaomi Redmi Note 8 2021 has a much better memory to store more games and applications than Xiaomi Mi-3, and although they both have the same internal storage capacity, the Xiaomi Redmi Note 8 2021 also has a SD memory card expansion slot that admits a maximum of 128 GB. Xiaomi Redmi Note 8 2021 features superior battery duration than Xiaomi Mi-3, because it has a 4000mAh battery size.
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