Compare phones
| Global Score | |
| 84.3 | 83.2 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 14 | -- |
| 2024-07-19 | 2019-03-06 |
| 6.28 x 5.64 x 0.18 inches | 6.20 x 2.94 x 0.30 inches |
| 7.97 ounces | 6.10 ounces |
| Black, Blue and White | Black, Blue and Purple |
| Aluminum and Glass | Glass (Corning Gorilla Glass 5) and Metal |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 8 inches | 6.4 inches |
| 2488 x 2224 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 417 pixels per inch | 403 pixels per inch |
| 3000 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 10 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset | Qualcomm Snapdragon 855 chipset |
| processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 750 GPU | Adreno 640 GPU |
| 6.21 | 9.63 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 23.00mm focal length | 26.00mm focal length |
| 0.67 inches (1/1.49") 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 (960 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 12.54 | 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 | |
| 5100mAh Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.88 | 5.28 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | 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
The Xiaomi Mi Mix Fold 4 has a general score of 84.3, which is just a bit better than Xiaomi Mi 9's 83.2 global score. The Xiaomi Mi Mix Fold 4 body is newer and much thinner, but heavier than Xiaomi Mi 9. The Xiaomi Mi Mix Fold 4 has a sharper screen than Xiaomi Mi 9, because it has a lot higher 2224 x 2488 resolution, a little greater number of pixels in each screen inch, a larger screen and a much brighter display.
Xiaomi Mi 9 has a lot better hardware performance than Xiaomi Mi Mix Fold 4, although it has a lower amount of RAM memory, they both have a Octa-Core CPU. Xiaomi Mi Mix Fold 4 counts with a slightly better camera than Xiaomi Mi 9, because it has a larger aperture for better images and video in poorly lited environments, a better 50 megapixels resolution camera in the back, a way higher 7680x4320 video quality and a much larger back-facing camera sensor.
Xiaomi Mi Mix Fold 4 counts with a much greater memory for applications and games than Xiaomi Mi 9, because it has more internal storage capacity. Xiaomi Mi Mix Fold 4 has a superior battery life than Xiaomi Mi 9, because it has a 5100mAh battery capacity.
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