Compare phones
| Global Score | |
| 87.1 | 84.3 |
| Basic Information | |
| Samsung | Xiaomi |
| -- | Android 14 |
| 2018-08-24 | 2024-07-19 |
| 6.37 x 3.01 x 0.35 inches | 6.28 x 5.64 x 0.18 inches |
| 7.09 ounces | 7.97 ounces |
| Cloud silver, Lavender purple, Midnight black and Ocean blue | Black, Blue and White |
| Aluminum and Glass (Corning Gorilla Glass 5) | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| $ 457.00 | -- |
| Display / Screen | |
| 6.4 inches | 8 inches |
| 2960 x 1440 pixels | 2488 x 2224 pixels |
| Super AMOLED | AMOLED |
| 514 pixels per inch | 417 pixels per inch |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.7 | 10 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 630 GPU | Adreno 750 GPU |
| 9.63 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 13.3 |
| Camera | |
| 12.00 MP + 8.00 MP | 50.00 MP + 16.00 MP |
| f/1.50 aperture | f/1.70 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.67 inches (1/1.49") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.23 | 12.54 |
| 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 | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 5100mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 6.88 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| 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
Galaxy Note9 has an overall score of 87.1, which is slightly better than Xiaomi Mi Mix Fold 4's 84.3 general score. The Galaxy Note9 construction is lighter than Xiaomi Mi Mix Fold 4, but it's notably thicker and was released 6 years before. The Samsung Galaxy Note9 has a much better performing processing unit than Xiaomi Mi Mix Fold 4, although it has 6 GB less RAM, they both have 8 processing cores.
Xiaomi Mi Mix Fold 4 has a sharper screen than Galaxy Note9, because although it has a just a bit worse amount of pixels per inch in the display, it also counts with a bigger display and a bit higher 2224 x 2488 resolution. Xiaomi Mi Mix Fold 4 shoots a lot better pictures and videos than Samsung Galaxy Note9, because although it has a tinier diafragm aperture which is worse for low light photos, it also counts with a way more mega-pixels back camera, a way better 7680x4320 video resolution and a lot bigger camera sensor.
The Samsung Galaxy Note9 has a little bit more storage capacity for games and applications than Xiaomi Mi Mix Fold 4, because although it has 0 less internal memory capacity, it also counts with a SD card slot that admits up to 512 GB. The Xiaomi Mi Mix Fold 4 has superior battery lifetime than Galaxy Note9, because it has a 28% bigger battery capacity.
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