Compare phones
| Global Score | |
| 76.7 | 89 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11 | Android 11 |
| 2021-05-27 | 2021-08-10 |
| 6.23 x 2.96 x 0.33 inches | 6.40 x 2.97 x 0.31 inches |
| 6.70 ounces | 7.94 ounces |
| Moonlight White, Neptune Blue and Space Black, | Ceramic Black, Ceramic White and Shadow Gray |
| Glass and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 409 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali G52 MC2 GPU | Adreno 660 GPU |
| 9.09 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 108.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| -- | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 11 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.2 |
| 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
Xiaomi Mi Mix 4 has a general score of 89, which is much better than Xiaomi Redmi Note 8 2021's 76.7 score. Although the Xiaomi Mi Mix 4 and Xiaomi Redmi Note 8 2021 were released only a couple months apart, the Xiaomi Mi Mix 4 body is somewhat heavier but a bit thinner. Both of these devices have the same Android 11 operating system, so you shouldn't perceive any difference in that aspect.
Xiaomi Mi Mix 4 counts with a bit better performance than Xiaomi Redmi Note 8 2021, and although they both have 8 processing cores, the Xiaomi Mi Mix 4 also has a larger amount of RAM memory. Xiaomi Mi Mix 4 and Xiaomi Redmi Note 8 2021 count with very similar screens, because although the Xiaomi Mi Mix 4 has a little less pixels per display inch, it also counts with a slightly better resolution of 1080 x 2400 pixels and a bit bigger screen.
The Xiaomi Mi Mix 4 has a slightly bigger memory capacity 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 memory. Xiaomi Mi Mix 4 shoots a lot better pictures and videos than Xiaomi Redmi Note 8 2021, because although it has a tinier aperture, it also counts with a much better video quality, a way higher 108 megapixels resolution back camera and a much bigger camera sensor shooting way better quality pictures and videos.
Xiaomi Mi Mix 4 features just a little bit longer battery performance than Xiaomi Redmi Note 8 2021, because it has a 4500mAh battery capacity instead of 4000mAh.
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