Compare phones
| Global Score | |
| 85.2 | 79.2 |
| Basic Information | |
| Samsung | Xiaomi |
| -- | Android 11, 10, 9.0 Pie |
| 2018-11-15 | 2019-07-24 |
| 6.40 x 3.03 x 0.31 inches | 6.04 x 2.83 x 0.33 inches |
| 6.46 ounces | 6.13 ounces |
| Bubblegum pink, Caviar black and Lemonade blue | Blue, Gray and White |
| Glass and Metal | Glass (Corning Gorilla Glass 5) and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.1 inches |
| 2220 x 1080 pixels | 1560 x 720 pixels |
| Super AMOLED | Super AMOLED |
| 392 pixels per inch | 282 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 665 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 512 GPU | Adreno 610 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 14.14 | 13.18 |
| Camera | |
| 24.00 MP + 24.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.36 inches (1/2.8") sensor | 0.43 inches (1/2.3") 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 |
| 10.45 | 11.44 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 3800mAh Li - Polymer Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.76 | 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy A9 (2018) is just a bit better than the Xiaomi Mi A3, getting a global score of 85.2 against 79.2. Galaxy A9 (2018)'s design is a little bit thinner but just a bit heavier than Xiaomi Mi A3, and both of them were released only a couple of months apart. Samsung Galaxy A9 (2018) has a bit superior processor than Xiaomi Mi A3, and although they both have the same number of cores, the Samsung Galaxy A9 (2018) also has a greater amount of RAM.
The Samsung Galaxy A9 (2018) counts with a bit better display than Xiaomi Mi A3, because it has a lot better resolution of 1080 x 2220, a bit larger screen and a better pixels count per inch of display. Xiaomi Mi A3 has a little bit better camera than Samsung Galaxy A9 (2018), because although it has a tinier diafragm aperture, and they both have the same 30 frames per second video frame rate and the same video quality, the Xiaomi Mi A3 also counts with a back facing camera with a lot better resolution and a larger sensor capturing higher quality videos and photos.
Galaxy A9 (2018) counts with a little bit more storage for apps and games than Xiaomi Mi A3, and although they both have the same internal storage, the Galaxy A9 (2018) also has an external memory card slot that supports a maximum of 512 GB. Xiaomi Mi A3 counts with just a bit longer battery life than Samsung Galaxy A9 (2018), because it has a 6 percent larger battery size.
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