Compare phones
| Global Score | |
| 79.2 | 85 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11, 10, 9.0 Pie | Android 10, 9.0 Pie |
| 2019-07-24 | 2019-06-18 |
| 6.04 x 2.83 x 0.33 inches | 6.11 x 2.91 x 0.31 inches |
| 6.13 ounces | 5.93 ounces |
| Blue, Gray and White | Midnight blue and Seawater blue |
| Glass (Corning Gorilla Glass 5) and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.1 inches | 6.3 inches |
| 1560 x 720 pixels | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 282 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 665 chipset | Qualcomm Snapdragon 675 SM6150 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 610 GPU | Adreno 612 GPU |
| 9.09 | 9.18 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 13.18 | 14.14 |
| Camera | |
| 48.00 MP + 32.00 MP | 32.00 MP + 16.00 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.44 | 10.78 |
| 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 | |
| 4030mAh Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.44 |
| 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 and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy M40 is a bit better than the Xiaomi Mi A3, getting an 85 score against 79.2. Although the Samsung Galaxy M40 and the Xiaomi Mi A3 were released with only 1 months difference, the Samsung Galaxy M40 is just a little bit thinner and a bit lighter. Both phones we are comparing here come with Android OS (operating system), but Samsung Galaxy M40 has the older 10 version and Xiaomi Mi A3 has Android 11 version.
The Samsung Galaxy M40 counts with a sharper screen than Xiaomi Mi A3, because it has a much better 1080 x 2340 resolution, a bit bigger display and a greater amount of pixels per inch in the display. Galaxy M40 features a slightly better memory capacity for applications and games than Xiaomi Mi A3, and although they both have exactly the same 128 GB internal memory, the Galaxy M40 also has a slot for external memory cards that admits up to 512 GB.
Samsung Galaxy M40 features a bit better processing power than Xiaomi Mi A3, and although they both have the same number of cores, the Samsung Galaxy M40 also has more RAM memory. The Xiaomi Mi A3 takes just a bit better videos and photos than Samsung Galaxy M40, because although it has a tinier camera aperture which is not so good for low-light photos, and they both have the same video definition and the same 30 frames per second video frame rates, the Xiaomi Mi A3 also counts with a way more megapixels back-facing camera and a larger camera sensor capturing more light and vivid colors.
The Xiaomi Mi A3 features just a little better battery life than Samsung Galaxy M40, because it has 4030mAh of battery capacity against 3500mAh.
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