Compare phones
| Global Score | |
| 74.5 | 83.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | -- |
| 2021-01-04 | 2019-03-06 |
| 6.46 x 2.99 x 0.36 inches | 6.20 x 2.94 x 0.30 inches |
| 6.91 ounces | 6.10 ounces |
| Black, Blue and White | Black, Blue and Purple |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) and Metal |
| -- | Scratch-Resistant Glass |
| $ 170.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | Qualcomm Snapdragon 855 chipset |
| Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Adreno 640 GPU |
| 8.91 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | No SD card slot |
| 11.12 | 10.1 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 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 |
| 8.8 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.6 | 6.3 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.28 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Mi 9 is much better than the Samsung Galaxy A02s, with a score of 83.2 against 74.5. The Xiaomi Mi 9 is an older phone than the Samsung Galaxy A02s, but Xiaomi could make it somewhat lighter and thinner anyway. The Xiaomi Mi 9 has a more vivid screen than Galaxy A02s, because although it has a quite smaller display, it also counts with a much better resolution of 1080 x 2340px and more pixels per inch in the display.
Samsung Galaxy A02s has a better memory for games and applications than Xiaomi Mi 9, because although it has less internal storage capacity, it also counts with a SD memory slot that holds up to 1 TB. The Xiaomi Mi 9 counts with a bit better processing unit than Galaxy A02s, and although they both have a Octa-Core processor, the Xiaomi Mi 9 also has a larger amount of RAM memory.
Xiaomi Mi 9 counts with a lot better camera than Samsung Galaxy A02s, because it has a back-facing camera with a way higher 48 mega pixels resolution, a lot higher 3840x2160 (4K) video definition and a bigger aperture to capture better low-light images. Galaxy A02s counts with a very superior battery life than Xiaomi Mi 9, because it has a 5000mAh battery capacity instead of 3300mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.