Compare phones
| Global Score | |
| 85 | 78 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10, 9.0 Pie | -- |
| 2019-06-18 | 2018-07-27 |
| 6.11 x 2.91 x 0.31 inches | 6.25 x 2.97 x 0.29 inches |
| 5.93 ounces | 5.93 ounces |
| Midnight blue and Seawater blue | Black, Blue, Gold, Pink and Red |
| Plastic | Aluminum |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6 inches |
| 2340 x 1080 pixels | 2160 x 1080 pixels |
| IPS LCD | IPS LCD |
| 409 pixels per inch | 402 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 675 SM6150 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 612 GPU | Adreno 512 GPU |
| 9.18 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 32.00 MP + 16.00 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 |
| 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 (120 fps) (HD) slow motion video |
| 10.78 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 3500mAh Battery | 3010mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 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 and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy M40 is slightly better than the Xiaomi Mi A2, with a score of 85 against 78. The Samsung Galaxy M40 design weights the same than the Xiaomi Mi A2, but it's a little thicker. Xiaomi Mi A2 features a display that is very similar to Galaxy M40's screen, although the Xiaomi Mi A2 has a little worse pixel density, a quite lower resolution of 1080 x 2160 pixels and a quite smaller screen.
The Xiaomi Mi A2 has a bit faster CPU than Samsung Galaxy M40. Both of them have a Octa-Core CPU and the same RAM amount. The Galaxy M40 counts with a much better memory capacity to install games and applications than Xiaomi Mi A2, and although they both have exactly the same 128 GB internal memory, the Galaxy M40 also has a SD card slot that allows a maximum of 512 GB.
The Galaxy M40 features just a little bit longer battery lifetime than Xiaomi Mi A2, because it has 3500mAh of battery capacity. The Galaxy M40 has a superior camera than Xiaomi Mi A2, and although they both have the same video frame rates and the same (4K) video quality, the Galaxy M40 also has a bigger diafragm aperture for better photos in low light environments, a bigger back camera sensor taking higher quality photos and a camera with a much better 32 mega pixels resolution.
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