Compare phones
| Global Score | |
| 73.1 | 79.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 9.0 Pie, 8.0 Oreo | 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 |
| Blue | Blue, Gray and White |
| -- | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 107.00 | -- |
| 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+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | 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 global score of 79.2, which is a little bit better than the Galaxy J7 Star's 73.1 overall score. Both of these devices work with Android OS, but the Xiaomi Mi A3 has older 11 version while Galaxy J7 Star has Android 9.0 Pie version. The Xiaomi Mi A3 is a newer device, and it's also a little lighter and a little bit thinner than Galaxy J7 Star.
Xiaomi Mi A3 has a little sharper screen than Samsung Galaxy J7 Star, because it has a little larger display, a bit higher resolution of 720 x 1560 pixels and a little more pixels per screen inch. Xiaomi Mi A3 counts with a bit better CPU than Galaxy J7 Star, and although they both have a Octa-Core processor, the Xiaomi Mi A3 also has a greater amount of RAM.
The Xiaomi Mi A3 counts with a much bigger storage capacity for games and applications than Galaxy J7 Star, because although it has a SD card slot that admits 144 GB smaller, it also counts with 96 GB more internal storage. The Xiaomi Mi A3 has longer battery duration than Galaxy J7 Star, because it has 4030mAh of battery capacity.
The Xiaomi Mi A3 features a way better camera than Samsung Galaxy J7 Star, because although it has a tinier aperture which is worse for low-light captures, it also counts with a much better video quality, a much higher 48 MP resolution back-facing camera and a lot bigger sensor which provides a much higher photo and video quality.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.