Compare phones
| Global Score | |
| 81.1 | 89 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 10 | Android 11 |
| 2020-05-05 | 2021-08-10 |
| 6.53 x 3.02 x 0.35 inches | 6.40 x 2.97 x 0.31 inches |
| 7.37 ounces | 7.94 ounces |
| Glacier white, Interstellar gray and Tropical green | Ceramic Black, Ceramic White and Shadow Gray |
| Glass (Corning Gorilla Glass 5) and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 291.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 393 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 618 GPU | Adreno 660 GPU |
| 9.36 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 64.00 MP + 16.00 MP | 108.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.90 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 12.1 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 5020mAh Li - Polymer Battery | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | 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
The Xiaomi Mi Mix 4 is a bit better than the Xiaomi Redmi Note 9 Pro, getting an 89 score against 81.1. Although the Xiaomi Mi Mix 4 is a bit heavier than the Xiaomi Redmi Note 9 Pro, it's thinner and newer. Both devices in this review use Android OS (operating system), but the Xiaomi Mi Mix 4 has 11 version and Xiaomi Redmi Note 9 Pro has Android 10, giving a lot of extra features.
The Xiaomi Mi Mix 4 counts with a bit superior processor than Xiaomi Redmi Note 9 Pro, and although they both have the same number of cores, the Xiaomi Mi Mix 4 also has 2 GB more RAM memory. The Xiaomi Mi Mix 4 features a little more vivid display than Xiaomi Redmi Note 9 Pro. Both have the same number of pixels per display inch, a same size screen and the same 1080 x 2400 resolution.
The Xiaomi Redmi Note 9 Pro counts with a quite bigger storage for games and applications than Xiaomi Mi Mix 4, because although it has 0 less internal storage capacity, it also counts with an external memory slot that holds a maximum of 512 GB. Xiaomi Mi Mix 4 has a much better camera than Xiaomi Redmi Note 9 Pro, and although they both have the same camera aperture, the Xiaomi Mi Mix 4 also has a lot better video quality, a camera in the back with way more MP and a lot bigger sensor shooting lot better quality videos and pictures.
The Xiaomi Redmi Note 9 Pro counts with just a little better battery lifetime than Xiaomi Mi Mix 4, because it has a 12 percent greater battery capacity.
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