Compare phones
| Global Score | |
| 76.6 | 89 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 10 | Android 11 |
| 2020-05-20 | 2021-08-10 |
| 6.39 x 3.04 x 0.35 inches | 6.40 x 2.97 x 0.31 inches |
| 7.02 ounces | 7.94 ounces |
| Forest green, Midnight gray and Polar white | Ceramic Black, Ceramic White and Shadow Gray |
| Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 283.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 396 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| MediaTek Helio G85 chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 3 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 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
Xiaomi Mi Mix 4 has a score of 89, which is much better than the Xiaomi Redmi Note 9's 76.6 global score. Both phones in this review use Android operating system, but the Xiaomi Mi Mix 4 has a newer 11 version and Xiaomi Redmi Note 9 has Android 10, giving you a couple additional features. The Xiaomi Mi Mix 4 design is newer and thinner than Xiaomi Redmi Note 9's, but it is somewhat heavier.
Xiaomi Mi Mix 4 counts with a bit better screen than Xiaomi Redmi Note 9, because although it has a little bit worse screen density, it also counts with a bit bigger screen and a quite better resolution of 1080 x 2400. The Xiaomi Mi Mix 4 features a bit bigger storage capacity for games and applications than Xiaomi Redmi Note 9, because although it has no external memory slot, it also counts with 128 GB internal memory capacity.
Xiaomi Mi Mix 4 counts with a bit superior processing unit than Xiaomi Redmi Note 9, and although they both have a Octa-Core CPU, the Xiaomi Mi Mix 4 also has a larger amount of RAM. The Xiaomi Mi Mix 4 features a very superior camera than Xiaomi Redmi Note 9, because although it has a tinier aperture which is not nice for low-light images, it also counts with a lot larger camera sensor, a much higher 7680x4320 video quality and a much more mega-pixels camera.
The Xiaomi Redmi Note 9 counts with a bit longer battery lifetime than Xiaomi Mi Mix 4, because it has a 5020mAh battery capacity instead of 4500mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.