Compare phones
| Global Score | |
| 78 | 85 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 10, 9.0 Pie |
| 2018-07-27 | 2019-06-18 |
| 6.25 x 2.97 x 0.29 inches | 6.11 x 2.91 x 0.31 inches |
| 5.93 ounces | 5.93 ounces |
| Black, Blue, Gold, Pink and Red | Midnight blue and Seawater blue |
| Aluminum | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6 inches | 6.3 inches |
| 2160 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 402 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 675 SM6150 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 512 GPU | Adreno 612 GPU |
| 9.27 | 9.18 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 12.00 MP + 20.00 MP | 32.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.34 inches (1/2.9") 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 (120 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.79 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3010mAh Li - Polymer Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 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 has a general score of 85, which is a bit better than the Xiaomi Mi A2's 78 overall score. Samsung Galaxy M40 is a a little thicker phone than Xiaomi Mi A2, but both weight 5.93oz. The Xiaomi Mi A2 and the Samsung Galaxy M40 have extremely similar screens, although the Samsung Galaxy M40 also has a quite better display pixels density, a bit bigger screen and a slightly higher 1080 x 2340 pixels resolution.
The Xiaomi Mi A2 has a bit superior processor than Galaxy M40. Both of them have 6 GB of RAM and a Octa-Core processing unit. The Samsung Galaxy M40 takes much clearer videos and photos than Xiaomi Mi A2, and although they both have the same video frame rates and the same (4K) video resolution, the Samsung Galaxy M40 also has a back facing camera with way more MP, a bigger back-facing camera sensor capturing better quality photos and videos and a larger aperture for better low-light captures and videos.
Samsung Galaxy M40 has a much greater memory for applications and games than Xiaomi Mi A2, and although they both have the same 128 GB internal storage capacity, the Samsung Galaxy M40 also has a SD card slot that supports up to 512 GB. Galaxy M40 features a little longer battery duration than Xiaomi Mi A2, because it has a 16% greater battery size.
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