Compare phones
| Global Score | |
| 74.6 | 79.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | Android 11, 10, 9.0 Pie |
| -- | 2019-07-24 |
| 6.04 x 3.04 x 0.32 inches | 6.04 x 2.83 x 0.33 inches |
| 6.14 ounces | 6.13 ounces |
| 16 777 216 | Blue, Gray and White |
| Plastic | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.1 inches |
| 1280 x 720 pixels (HD) | 1560 x 720 pixels |
| Super AMOLED | 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 7884 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 |
| 4 GB RAM | 4 GB RAM |
| ARM Mali-G71 GPU | Adreno 610 GPU |
| 8.82 | 9.09 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 8.88 | 13.18 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm 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 |
| 9.02 | 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 |
| Micro SIM, Dual SIM | Nano SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 4030mAh Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Xiaomi Mi A3 is slightly better than the Galaxy J7 Duo, getting a score of 79.2 against 74.6. The Xiaomi Mi A3 body is just a little thicker but just a little bit lighter than the Galaxy J7 Duo. Both of these phones have Android operating system, but the Xiaomi Mi A3 has an older 11 version and Galaxy J7 Duo has Android 8.0 Oreo version.
Xiaomi Mi A3 features just a bit better looking display than Galaxy J7 Duo, because it has a little better display density, a slightly higher resolution of 720 x 1560px and a quite bigger screen. Xiaomi Mi A3 features a very superior storage capacity to store more games and applications than Samsung Galaxy J7 Duo, and although they both have an external memory slot that supports a maximum of 256 GB, the Xiaomi Mi A3 also has 128 GB internal memory.
The Xiaomi Mi A3 features a bit better processor than Galaxy J7 Duo. Both of them have the same RAM amount and 8 processing cores. Xiaomi Mi A3 counts with longer battery duration than Samsung Galaxy J7 Duo, because it has a 4030mAh battery capacity against 3000mAh. Xiaomi Mi A3 captures greater pictures and videos than Galaxy J7 Duo, because it has a lot higher 3840x2160 (4K) video quality, a much better resolution camera in the back, a much larger sensor taking more light and vivid colors and a larger diafragm aperture.
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