Compare phones
| Global Score | |
| 72.5 | 79.2 |
| Basic Information | |
| Samsung | Xiaomi |
| -- | Android 11, 10, 9.0 Pie |
| 2018-07-13 | 2019-07-24 |
| 6.03 x 3.00 x 0.34 inches | 6.04 x 2.83 x 0.33 inches |
| 6.38 ounces | 6.13 ounces |
| Black | Blue, Gray and White |
| Plastic | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 230.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.1 inches |
| 1280 x 720 pixels (HD) | 1560 x 720 pixels |
| TFT | Super AMOLED |
| 267 pixels per inch | 282 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 7.3 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 665 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 2 GB RAM | 4 GB RAM |
| Mali-T830 MP1 GPU | Adreno 610 GPU |
| 8.73 | 9.09 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 9.44 | 13.18 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | 0.43 inches (1/2.3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.13 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3300mAh Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Xiaomi Mi A3 has a general score of 79.2, which is just a bit better than Galaxy J7 (2018)'s 72.5 overall score. The Xiaomi Mi A3 is a newer cellphone, and it's also just a little bit lighter and a little thinner than Galaxy J7 (2018). The Xiaomi Mi A3 counts with a bit sharper screen than Samsung Galaxy J7 (2018), because it has a quite larger display, a little bit higher 720 x 1560 resolution and a just a bit higher display density.
The Xiaomi Mi A3 has a bit better processing unit than Galaxy J7 (2018), and although they both have the same number of cores, the Xiaomi Mi A3 also has a larger amount of RAM memory. Xiaomi Mi A3 captures much better photos and videos than Samsung Galaxy J7 (2018), because although it has a tinier diafragm aperture which is not nice for taking pictures and videos in low-light environments, it also counts with a way higher 3840x2160 video quality, a lot higher resolution back-facing camera and a much bigger sensor capturing lot better quality photographs.
The Xiaomi Mi A3 has a lot bigger storage for applications and games than Galaxy J7 (2018), because although it has a SD card slot that holds 144 GB smaller, it also counts with 128 GB internal storage capacity. Xiaomi Mi A3 has greater battery lifetime than Samsung Galaxy J7 (2018), because it has 4030mAh of battery capacity.
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