Compare phones
| Global Score | |
| 89 | 83.2 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11 | -- |
| 2021-08-10 | 2019-03-06 |
| 6.40 x 2.97 x 0.31 inches | 6.20 x 2.94 x 0.30 inches |
| 7.94 ounces | 6.10 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Black, Blue and Purple |
| Aluminum and Ceramic | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Qualcomm Snapdragon 855 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 640 GPU |
| 9.72 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 108.00 MP + 20.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (480 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 13.75 | 12.1 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.3 |
| Battery Life | |
| 4500mAh Li - Ion Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 5.28 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 is a little bit better than Xiaomi Mi 9, getting a general score of 89 against 83.2. Xiaomi Mi Mix 4's construction is a lot newer than Xiaomi Mi 9's, but it's much heavier and a bit thicker. Xiaomi Mi 9 has a slightly better screen than Xiaomi Mi Mix 4, because although it has a bit lower 1080 x 2340px resolution and a quite smaller screen, it also counts with a bit greater display pixel density.
Xiaomi Mi Mix 4 and Xiaomi Mi 9 feature extremely similar storage capacity to store more games and applications, both of them have exactly the same internal memory. Xiaomi Mi Mix 4 has a bit better hardware performance than Xiaomi Mi 9, and although they both have a Octa-Core processing unit, the Xiaomi Mi Mix 4 also has a higher amount of RAM memory.
The Xiaomi Mi Mix 4 counts with a better camera than Xiaomi Mi 9, because although it has a tinier camera aperture which is not nice for taking pictures or videos in low-light environments, it also counts with a much more MP camera, a much larger camera sensor capturing much higher quality photographs and videos and a lot better 7680x4320 video resolution.
The Xiaomi Mi Mix 4 counts with greater battery duration than Xiaomi Mi 9, because it has a 4500mAh battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.