Compare phones
| Global Score | |
| 79.2 | 85.2 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11, 10, 9.0 Pie | -- |
| 2019-07-24 | 2018-11-15 |
| 6.04 x 2.83 x 0.33 inches | 6.40 x 3.03 x 0.31 inches |
| 6.13 ounces | 6.46 ounces |
| Blue, Gray and White | Bubblegum pink, Caviar black and Lemonade blue |
| Glass (Corning Gorilla Glass 5) and Plastic | Glass and Metal |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.1 inches | 6.3 inches |
| 1560 x 720 pixels | 2220 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 282 pixels per inch | 392 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8 |
| Performance | |
| Qualcomm Snapdragon 665 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 610 GPU | Adreno 512 GPU |
| 9.09 | 9.27 |
| 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 | 24.00 MP + 24.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.44 | 10.45 |
| 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4030mAh Battery | 3800mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.76 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy A9 (2018) has an overall score of 85.2, which is a little bit better than the Xiaomi Mi A3's 79.2 global score. The Samsung Galaxy A9 (2018) design is just a bit thinner but a little heavier than the Xiaomi Mi A3, and both were released with only a couple of months difference. Samsung Galaxy A9 (2018) features a little sharper screen than Xiaomi Mi A3, because it has a way better 1080 x 2220 resolution, a better pixel quantity in each inch of screen and a bit larger display.
Galaxy A9 (2018) has a little bit more storage for applications, games, photos and videos than Xiaomi Mi A3, and although they both have the same internal memory, the Galaxy A9 (2018) also has a slot for external memory cards that allows a maximum of 512 GB. Galaxy A9 (2018) counts with just a bit better processing power than Xiaomi Mi A3, and although they both have a Octa-Core processor, the Galaxy A9 (2018) also has a higher amount of RAM memory.
Xiaomi Mi A3 captures just a bit better photos and videos than Galaxy A9 (2018), because although it has a smaller camera aperture, and they both have the same video frame rate and the same video quality, the Xiaomi Mi A3 also counts with a larger sensor and a lot higher resolution back-facing camera.
Xiaomi Mi A3 features a little better battery duration than Galaxy A9 (2018), because it has a 6% more battery capacity.
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