Compare phones
| Global Score | |
| 86.5 | 81.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10 |
| 2020-03-05 | 2020-09-08 |
| 6.27 x 2.96 x 0.35 inches | 6.51 x 3.02 x 0.37 inches |
| 6.74 ounces | 7.58 ounces |
| Black, Blue and Red | Cobalt blue and Shadow gray |
| Plastic and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 393 pixels per inch |
| 420 cd/m2 brightness | 450 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.4 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 732G SM7150-AC chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 618 GPU |
| 9.36 | 9.36 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 11.74 | 10.78 |
| Camera | |
| 64.00 MP + 32.00 MP | 64.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 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 |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (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, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 5160mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.88 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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
The Galaxy M31 is just a bit better than the Xiaomi Poco X3 NFC, with a score of 86.5 against 81.6. The Galaxy M31 body is a bit thinner and somewhat lighter than the Xiaomi Poco X3 NFC, even though both were released only 6 months apart. Both devices in this review have Android OS, but Galaxy M31 has 11 version and Xiaomi Poco X3 NFC has Android 10, so it counts with some extra features and enhanced performance.
The Xiaomi Poco X3 NFC has a processing unit that is just as good as Samsung Galaxy M31's processor, they have 8 processing cores and 6 GB of RAM. Xiaomi Poco X3 NFC has a display that's very similar to the screen in Samsung Galaxy M31, because although the Xiaomi Poco X3 NFC has a little bit less pixels per inch of display, it also counts with a little higher resolution of 1080 x 2400 pixels, a bit bigger display and a little more brightness.
Xiaomi Poco X3 NFC has a camera that's just as good as the camera in Samsung Galaxy M31, and although the Xiaomi Poco X3 NFC has a smaller aperture, they both have a same size back camera sensor, the same (4K) video quality, a same resolution back camera and the same video frame rate. The Galaxy M31 counts with a little bit better memory for games and applications than Xiaomi Poco X3 NFC, and although they both have equal 64 GB internal memory capacity, the Galaxy M31 also has a SD memory card expansion slot that supports up to 512 GB.
Samsung Galaxy M31 has just a bit longer battery lifetime than Xiaomi Poco X3 NFC, because it has a 16 percent greater battery capacity.
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