Compare phones
| Global Score | |
| 79.2 | 79.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11, 10, 9.0 Pie | Android 11, 10, 9.0 Pie |
| 2019-07-24 | 2019-04-10 |
| 6.04 x 2.83 x 0.33 inches | 5.69 x 2.72 x 0.31 inches |
| 6.13 ounces | 4.94 ounces |
| Blue, Gray and White | Black, Blue, Coral and White |
| Glass (Corning Gorilla Glass 5) and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.1 inches | 5.9 inches |
| 1560 x 720 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 282 pixels per inch | 437 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 665 chipset | Exynos 7904 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 610 GPU | Mali-G71 MP2 GPU |
| 9.09 | 8.91 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 13.18 | 11.74 |
| Camera | |
| 48.00 MP + 32.00 MP | 16.00 MP + 25.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.44 | 9.46 |
| 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4030mAh Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.12 |
| 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 Samsung Galaxy A40 has a score of 79.6, which is a little bit better than the Xiaomi Mi A3's global score of 79.2. Samsung Galaxy A40 is a a bit thinner and somewhat lighter device than the Xiaomi Mi A3, even though they were only released 4 months apart. Both of these phones include the same Android 11 OS (Operating System), so you shouldn't see any differences in that aspect.
The Samsung Galaxy A40 has a sharper screen than Xiaomi Mi A3, because although it has a bit smaller display, it also counts with a much better pixels amount per inch of display and a way higher resolution of 1080 x 2340. The Xiaomi Mi A3 features more storage capacity to store more games and applications than Samsung Galaxy A40, because although it has a slot for SD memory cards that holds up to 256 GB against 512 GB, it also counts with 64 GB more internal storage.
The Xiaomi Mi A3 counts with just a little better hardware performance than Galaxy A40. Both have the same RAM memory amount and a Octa-Core processor. Xiaomi Mi A3 shoots a lot better photographs and videos than Samsung Galaxy A40, because although it has a smaller aperture which is not nice for shooting pictures or videos in low light environments, it also counts with a way more mega pixels back-facing camera, a much better (4K) video resolution and a larger back-facing camera sensor which gives a higher image and video quality.
Xiaomi Mi A3 features longer battery life than Galaxy A40, because it has a 4030mAh battery capacity.
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