Compare phones
| Global Score | |
| 79.6 | 78 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10, 9.0 Pie | -- |
| 2019-04-10 | 2018-07-27 |
| 5.69 x 2.72 x 0.31 inches | 6.25 x 2.97 x 0.29 inches |
| 4.94 ounces | 5.93 ounces |
| Black, Blue, Coral and White | Black, Blue, Gold, Pink and Red |
| Plastic and Plastic | Aluminum |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.9 inches | 6 inches |
| 2340 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 437 pixels per inch | 402 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.1 |
| Performance | |
| Exynos 7904 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G71 MP2 GPU | Adreno 512 GPU |
| 8.91 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 16.00 MP + 25.00 MP | 12.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.36 inches (1/2.8") sensor | 0.34 inches (1/2.9") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.46 | 9.79 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 3100mAh Li - Polymer Battery | 3010mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.12 | 4.96 |
| 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 Galaxy A40 is slightly better than the Xiaomi Mi A2, having a general score of 79.6 against 78. Although the Galaxy A40 and Xiaomi Mi A2 were released only 9 months apart, Galaxy A40's design is just a little thicker but also somewhat lighter. Xiaomi Mi A2 counts with a bit more powerful processor than Galaxy A40, and although they both have a Octa-Core processor, the Xiaomi Mi A2 also has more RAM memory.
Samsung Galaxy A40 features a bit more vivid screen than Xiaomi Mi A2, because although it has a little bit smaller display, it also counts with a little bit higher resolution of 1080 x 2340px and a little higher number of pixels per inch of screen. The Galaxy A40 features a bigger storage for games and applications than Xiaomi Mi A2, because although it has 0 less internal storage capacity, it also counts with a SD extension slot that supports up to 512 GB.
The Galaxy A40 has just a bit better battery duration than Xiaomi Mi A2, because it has a 3100mAh battery size. The Xiaomi Mi A2 has a little bit better camera than Galaxy A40, because although it has a lot less mega pixels resolution camera, a tinier back-facing camera sensor taking less light and dull colors and a tinier aperture which is not so good for low light images, it also counts with a much better 3840x2160 video definition.
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