Compare phones
| Global Score | |
| 81.6 | 86.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11, 10 |
| 2020-09-08 | 2020-03-05 |
| 6.51 x 3.02 x 0.37 inches | 6.27 x 2.96 x 0.35 inches |
| 7.58 ounces | 6.74 ounces |
| Cobalt blue and Shadow gray | Black, Blue and Red |
| Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| 450 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 732G SM7150-AC chipset | Exynos 9611 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2300 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 618 GPU | Mali-G72 MP3 GPU |
| 9.36 | 9.36 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 11.74 |
| Camera | |
| 64.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 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 (960 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.1 | 12.1 |
| 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+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5160mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.88 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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
Galaxy M31 has a general score of 86.5, which is slightly better than Xiaomi Poco X3 NFC's global score of 81.6. Galaxy M31 is a a little bit thinner and somewhat lighter phone than the Xiaomi Poco X3 NFC, even when both of them were released with only a couple of months difference. Both devices in this review have Android OS (operating system), but Galaxy M31 has a newer 11 version while Xiaomi Poco X3 NFC has Android 10 version, offering some nice extra features.
Galaxy M31 and Xiaomi Poco X3 NFC have extremely similar screens, because although the Galaxy M31 has a bit opaque display, a little lower 1080 x 2340 resolution and a little bit smaller screen, it also counts with a little greater pixels density. The Galaxy M31 features a bit more memory to store more games and applications than Xiaomi Poco X3 NFC, and although they both have the same 64 GB internal memory, the Galaxy M31 also has a SD card slot that supports up to 512 GB.
Galaxy M31 and Xiaomi Poco X3 NFC count with really similar processing units, they have the same number of cores and the same RAM amount. The Galaxy M31 has a camera that is very similar to the Xiaomi Poco X3 NFC one, and although the Galaxy M31 has a larger aperture to capture better photos and videos in poorly lited environments, they both have the same resolution back camera, the same camera sensor size, the same 3840x2160 video resolution and the same 30 frames per second video frame rate.
Galaxy M31 has a bit superior battery duration than Xiaomi Poco X3 NFC, because it has a 16% bigger battery size.
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