Compare phones
| Global Score | |
| 80 | 79.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 11, 10, 9.0 Pie |
| 2021-03-18 | 2019-07-24 |
| 6.46 x 2.99 x 0.38 inches | 6.04 x 2.83 x 0.33 inches |
| 7.80 ounces | 6.13 ounces |
| Black, blue and white | Blue, Gray and White |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.1 inches |
| 1600 x 720 pixels | 1560 x 720 pixels |
| PLS | Super AMOLED |
| 270 pixels per inch | 282 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 7.3 |
| Performance | |
| Samsung Exynos 850 S5E3830 chipset | Qualcomm Snapdragon 665 chipset |
| Cortex-A55, 64-bit, 8 nm (Octa-Core 2000 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G52 MP1 GPU | Adreno 610 GPU |
| 9.09 | 9.09 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 13.02 | 13.18 |
| Camera | |
| 48.00 MP + 8.00 MP | 48.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 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 |
| 10.23 | 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 | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 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 |
Comparison review
Galaxy M12 has a score of 80, which is just a bit better than Xiaomi Mi A3's general score of 79.2. The Galaxy M12 construction is newer than the Xiaomi Mi A3's, but it's much heavier and somewhat thicker. Both phones in our current comparison include Android OS (Operating System), but Galaxy M12 has an older 10 version and Xiaomi Mi A3 has Android 11.
Xiaomi Mi A3 has a bit sharper screen than Galaxy M12, because although it has a little bit smaller display and a bit lower resolution of 720 x 1560px, it also counts with a little bit better screen density. Xiaomi Mi A3's processor is just as good as the processing unit in Galaxy M12, both have the same RAM memory amount and a Octa-Core processing unit.
The Xiaomi Mi A3 counts with a better camera than Samsung Galaxy M12, and although they both have a camera in the back with a 48 mega pixels, the Xiaomi Mi A3 also has a lot higher (4K) video resolution and a larger aperture for better low light images. Xiaomi Mi A3 has just a bit bigger memory capacity to install applications and games or saving photos and videos than Galaxy M12, because although it has an external memory card slot that allows 768 GB smaller, it also counts with more internal storage.
Samsung Galaxy M12 has a really longer battery lifetime than Xiaomi Mi A3, because it has a 49% more battery size.
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