Compare phones
| Global Score | |
| 79 | 88.9 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11, 10 | Android 10 |
| 2020-04-07 | 2019-09-24 |
| 6.53 x 3.02 x 0.35 inches | 6.08 x 2.85 x 0.41 inches |
| 7.37 ounces | 8.50 ounces |
| Aurora blue, Glacier white and Interstellar grey | Black |
| Glass (Corning Gorilla Glass 5) | Titanium |
| Scratch-Resistant Glass | -- |
| $ 249.00 | -- |
| Display / Screen | |
| 6.7 inches | 7.9 inches |
| 2400 x 1080 pixels | 2250 x 2088 pixels |
| IPS LCD | OLED |
| 393 pixels per inch | 389 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Qualcomm Snapdragon 855+ SM8150-AC chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Adreno 618 GPU | Adreno 640 GPU |
| 9.27 | 9.81 |
| Storage | |
| 64 GB internal memory | 512 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 17.6 |
| Camera | |
| 48.00 MP + 16.00 MP | 108.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 11.55 | 10.56 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5020mAh Li - Polymer Battery | 4050mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Mi Mix Alpha is better than the Xiaomi Redmi Note 9S, getting a general score of 88.9 against 79. Both devices we are comparing have Android OS, but Xiaomi Mi Mix Alpha has an older 10 version while Xiaomi Redmi Note 9S has Android 11. Even being the best in this comparison, the Xiaomi Mi Mix Alpha construction is somewhat heavier and thicker than the Xiaomi Redmi Note 9S.
Xiaomi Mi Mix Alpha features just a bit better screen than Xiaomi Redmi Note 9S, because although it has a just a little inferior pixel count in each inch of screen, it also counts with a better resolution of 2088 x 2250 pixels and a bigger screen. Xiaomi Mi Mix Alpha counts with a little faster CPU than Xiaomi Redmi Note 9S, and although they both have 8 cores, the Xiaomi Mi Mix Alpha also has more RAM memory.
The Xiaomi Redmi Note 9S shoots just a bit better photographs and videos than Xiaomi Mi Mix Alpha, although it has a tinier aperture, a much lower 48 MP resolution camera, a much smaller camera sensor shooting lot worse quality videos and images and a lower video quality. Xiaomi Mi Mix Alpha counts with a lot bigger storage for apps and games than Xiaomi Redmi Note 9S, because although it has no slot for an external memory card, it also counts with 448 GB more internal memory.
The Xiaomi Redmi Note 9S features improved battery duration than Xiaomi Mi Mix Alpha, because it has a 5020mAh battery size.
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