Compare phones
| Global Score | |
| 75.3 | 86.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 8.1 Oreo, 7.1 Nougat | Android 11, 10 |
| 2017-09-12 | 2020-03-05 |
| 6.01 x 2.91 x 0.30 inches | 6.27 x 2.96 x 0.35 inches |
| 5.75 ounces | 6.74 ounces |
| Black and Blue | Black, Blue and Red |
| Aluminum and Glass | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 444.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 403 pixels per inch |
| 550 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.5 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 660 chipset | Exynos 9611 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 512 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.36 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 12.00 MP + 16.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| -- | 0.59 inches (1/1.7") 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 | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.57 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| -- | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 3 | 6.7 |
| Battery Life | |
| 3500mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy M31 is much better than Xiaomi Mi Note 3, with an 86.5 score against 75.3. Both of these phones have Android operating system, but the Samsung Galaxy M31 has 11 version and Xiaomi Mi Note 3 has Android 8.1 Oreo version. Samsung Galaxy M31's design is much newer than the Xiaomi Mi Note 3's, although it is heavier and thicker.
Xiaomi Mi Note 3 features a bit sharper display than Galaxy M31, because although it has a little smaller display, a just a little worse screen density and a quite lower resolution of 1080 x 1920 pixels, it also counts with more display brightness. Samsung Galaxy M31 has more memory capacity for apps and games than Xiaomi Mi Note 3, because although it has 0 less internal memory, it also counts with a SD memory card expansion slot that allows up to 512 GB.
The Galaxy M31 has a bit better performance than Xiaomi Mi Note 3. Both have 8 CPU cores and the same RAM amount. Samsung Galaxy M31 features a much better battery life than Xiaomi Mi Note 3, because it has 6000mAh of battery capacity. Samsung Galaxy M31 captures way better pictures and videos than Xiaomi Mi Note 3, and although they both have a F1.8 camera aperture, the same video frame rates and the same 3840x2160 (4K) video definition, the Samsung Galaxy M31 also has a way higher resolution back-facing camera.
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