Compare phones
| Global Score | |
| 75 | 85 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat | Android 10, 9.0 Pie |
| 2017-09-12 | 2019-06-18 |
| 6.12 x 2.98 x 0.29 inches | 6.11 x 2.91 x 0.31 inches |
| 5.82 ounces | 5.93 ounces |
| Black, Gold and Pink | Midnight blue and Seawater blue |
| Metal | Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.3 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 401 pixels per inch | 409 pixels per inch |
| 450 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 675 SM6150 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Adreno 612 GPU |
| 9.09 | 9.18 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 14.14 |
| Camera | |
| 12.00 MP + 5.00 MP | 32.00 MP + 16.00 MP |
| f/2.20 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| -- | 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 |
| 9.35 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3080mAh Li - Ion Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 5.44 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M40 has a score of 85, which is better than Xiaomi Mi A1's 75 score. Galaxy M40's body is newer than Xiaomi Mi A1's, but it's a little thicker and a bit heavier. Both phones in this comparison review use Android operating system, but the Galaxy M40 has older 10 version and Xiaomi Mi A1 has Android 9.0 Pie.
Xiaomi Mi A1 features a little more vivid screen than Samsung Galaxy M40, although it has a bit smaller display, a little inferior number of pixels per screen inch and a quite lower resolution of 1080 x 1920 pixels. The Samsung Galaxy M40 counts with a little bit better processing power than Xiaomi Mi A1, and although they both have 8 cpu cores, the Samsung Galaxy M40 also has more RAM.
Galaxy M40 counts with a superior camera than Xiaomi Mi A1, and although they both have the same 30 fps video frame rate and the same 3840x2160 video quality, the Galaxy M40 also has a lot bigger camera aperture to take better photos and videos in low-light situations and a lot better 32 megapixels resolution back-facing camera.
The Samsung Galaxy M40 counts with a way bigger memory capacity to store more apps and games than Xiaomi Mi A1, because it has a slot for external memory cards that admits up to 512 GB and 64 GB more internal memory capacity. Samsung Galaxy M40 has a little longer battery life than Xiaomi Mi A1, because it has 3500mAh of battery capacity instead of 3080mAh.
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