Compare phones
| Global Score | |
| 79.8 | 83.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10, 9.0 Pie | -- |
| 2019-09-20 | 2019-03-06 |
| 6.24 x 2.94 x 0.30 inches | 6.20 x 2.94 x 0.30 inches |
| 5.86 ounces | 6.10 ounces |
| Prism crush black, Prism crush green, Prism crush violet and Prism crush white | Black, Blue and Purple |
| -- | Glass (Corning Gorilla Glass 5) and Metal |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 1560 x 720 pixels | 2340 x 1080 pixels |
| Super AMOLED | AMOLED |
| 268 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.6 |
| Performance | |
| Samsung Exynos 7 Octa 7885 chipset | Qualcomm Snapdragon 855 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G71 MP2 GPU | Adreno 640 GPU |
| 8.91 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 25.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.68 | 12.1 |
| 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 and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Mi 9 has an overall score of 83.2, which is slightly better than the Galaxy A30s's score of 79.8. Xiaomi Mi 9's construction has the same thickness than Galaxy A30s, but it is just a little heavier. The Xiaomi Mi 9 has a better display than Galaxy A30s, and although they both have a screen with the same size, the Xiaomi Mi 9 also has a lot better resolution of 1080 x 2340 pixels and way more pixels per inch in the screen.
Galaxy A30s counts with much more storage capacity to install applications and games or saving photos and videos than Xiaomi Mi 9, and although they both have the same 128 GB internal storage capacity, the Galaxy A30s also has a slot for external memory cards that allows a maximum of 512 GB. The Xiaomi Mi 9 features a little better hardware performance than Galaxy A30s, and although they both have the same number of cores, the Xiaomi Mi 9 also has a larger amount of RAM.
The Xiaomi Mi 9 has a very superior camera than Galaxy A30s, because although it has a smaller aperture which is not good for low-light images, it also counts with a lot higher resolution back facing camera and a much better 3840x2160 (4K) video resolution. The Samsung Galaxy A30s has superior battery life than Xiaomi Mi 9, because it has 4000mAh of battery capacity instead of 3300mAh.
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