Compare phones
| Global Score | |
| 89 | 76.7 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11 | Android 11 |
| 2021-08-10 | 2021-05-27 |
| 6.40 x 2.97 x 0.31 inches | 6.23 x 2.96 x 0.33 inches |
| 7.94 ounces | 6.70 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Moonlight White, Neptune Blue and Space Black, |
| Aluminum and Ceramic | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.3 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | IPS LCD |
| 393 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | MediaTek Helio G85 MT6769Z chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali G52 MC2 GPU |
| 9.72 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 10.1 | 10.02 |
| Camera | |
| 108.00 MP + 20.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (480 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 13.75 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 6.6 |
| Battery Life | |
| 4500mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | 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
Xiaomi Mi Mix 4 has a general score of 89, which is much better than the Xiaomi Redmi Note 8 2021's general score of 76.7. Although Xiaomi Mi Mix 4 and the Xiaomi Redmi Note 8 2021 were released only 3 months apart, the Xiaomi Mi Mix 4 design is a little bit thinner but somewhat heavier than the Xiaomi Redmi Note 8 2021. Both phones in our current comparison use the same Android 11 OS, so they should offer the same operating system features.
The Xiaomi Mi Mix 4 counts with a bit more powerful processor than Xiaomi Redmi Note 8 2021, and although they both have 8 processing cores, the Xiaomi Mi Mix 4 also has more RAM. Xiaomi Redmi Note 8 2021 has a display that's just as good as the Xiaomi Mi Mix 4 one, because although the Xiaomi Redmi Note 8 2021 has a little bit smaller screen and a bit lower 1080 x 2340 pixels resolution, it also counts with a little better pixel number in each inch in the screen.
Xiaomi Mi Mix 4 has a much better camera than Xiaomi Redmi Note 8 2021, because although it has a smaller aperture which is not favorable for shooting photos in low-light situations, it also counts with a way larger sensor taking more light and vivid colors, a lot better 7680x4320 video resolution and a back-facing camera with a lot higher 108 mega-pixels resolution.
The Xiaomi Mi Mix 4 counts with a slightly better memory for applications, games, photos and videos than Xiaomi Redmi Note 8 2021, because although it has no slot for an SD memory card, it also counts with 128 GB internal memory capacity. Xiaomi Mi Mix 4 has a little better battery performance than Xiaomi Redmi Note 8 2021, because it has a 13 percent larger battery size.
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