Compare phones
| Global Score | |
| 89 | 87.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | -- |
| 2021-08-10 | 2018-08-24 |
| 6.40 x 2.97 x 0.31 inches | 6.37 x 3.01 x 0.35 inches |
| 7.94 ounces | 7.09 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Cloud silver, Lavender purple, Midnight black and Ocean blue |
| Aluminum and Ceramic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 457.00 |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2960 x 1440 pixels |
| AMOLED | Super AMOLED |
| 393 pixels per inch | 514 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 630 GPU |
| 9.72 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 108.00 MP + 20.00 MP | 12.00 MP + 8.00 MP |
| f/1.90 aperture | f/1.50 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.39 inches (1/2.55") 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 | 1280 x 720 (960 fps) (HD) slow motion video |
| 13.75 | 10.23 |
| 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 HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Li - Ion Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Mi Mix 4 is slightly better than the Samsung Galaxy Note9, with a general score of 89 against 87.1. Xiaomi Mi Mix 4's construction is a lot newer and somewhat thinner than the Samsung Galaxy Note9's, but it's also heavier. Galaxy Note9 has a bit better display than Xiaomi Mi Mix 4, because although it has a little bit smaller screen, it also counts with a higher pixel amount in each inch of display and a higher resolution of 1440 x 2960 pixels.
The Xiaomi Mi Mix 4 counts with a bit more powerful processor than Samsung Galaxy Note9, and although they both have a Octa-Core processing unit, the Xiaomi Mi Mix 4 also has a higher amount of RAM. Xiaomi Mi Mix 4 counts with a much better camera than Samsung Galaxy Note9, because although it has a way smaller aperture which is not favorable for taking photographs or videos in low-light environments, it also counts with a lot larger sensor, a much higher 7680x4320 video definition and a back camera with way more mega pixels.
The Galaxy Note9 counts with a much greater storage for games and applications than Xiaomi Mi Mix 4, and although they both have exactly the same 128 GB internal storage, the Galaxy Note9 also has a SD extension slot that admits a maximum of 512 GB. The Xiaomi Mi Mix 4 counts with just a little better battery performance than Samsung Galaxy Note9, because it has 4500mAh of battery capacity.
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