Compare phones
| Global Score | |
| 79.2 | 87.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11, 10, 9.0 Pie | -- |
| 2019-07-24 | 2018-08-24 |
| 6.04 x 2.83 x 0.33 inches | 6.37 x 3.01 x 0.35 inches |
| 6.13 ounces | 7.09 ounces |
| Blue, Gray and White | Cloud silver, Lavender purple, Midnight black and Ocean blue |
| Glass (Corning Gorilla Glass 5) and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 457.00 |
| Display / Screen | |
| 6.1 inches | 6.4 inches |
| 1560 x 720 pixels | 2960 x 1440 pixels |
| Super AMOLED | Super AMOLED |
| 282 pixels per inch | 514 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 665 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 610 GPU | Adreno 630 GPU |
| 9.09 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 13.18 | 14.14 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 8.00 MP |
| f/1.80 aperture | f/1.50 aperture |
| -- | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.44 | 10.23 |
| 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 | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4030mAh Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy Note9 has a global score of 87.1, which is slightly better than Xiaomi Mi A3's 79.2 global score. Although Samsung Galaxy Note9 is better than Xiaomi Mi A3, it must be noted that it's also an older, a little bit thicker and heavier cellphone. Samsung Galaxy Note9 counts with a brighter display than Xiaomi Mi A3, because it has a lot more pixels per inch in the screen, a little larger screen and a lot higher resolution of 1440 x 2960 pixels.
The Samsung Galaxy Note9 features a bit more powerful processing unit than Xiaomi Mi A3, and although they both have the same number of cores, the Samsung Galaxy Note9 also has a larger amount of RAM memory. Xiaomi Mi A3 features a superior camera than Samsung Galaxy Note9, because although it has a smaller diafragm aperture and lower video frame rate, and they both have the same (4K) video resolution, the Xiaomi Mi A3 also counts with a larger sensor taking more light and vivid colors and a way higher resolution back camera.
Galaxy Note9 has a little bit better memory capacity to install applications and games or saving photos and videos than Xiaomi Mi A3, and although they both have the same 128 GB internal storage capacity, the Galaxy Note9 also has a slot for external memory cards that allows up to 512 GB. The Galaxy Note9's battery duration is just as good as the battery performance in Xiaomi Mi A3, although the Galaxy Note9 has 4000mAh of battery capacity.
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