Compare phones
| Global Score | |
| 79 | 86.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-04-07 | 2020-03-05 |
| 6.53 x 3.02 x 0.35 inches | 6.27 x 2.96 x 0.35 inches |
| 7.37 ounces | 6.74 ounces |
| Aurora blue, Glacier white and Interstellar grey | Black, Blue and Red |
| Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 249.00 | -- |
| 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 |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Exynos 9611 chipset |
| Kryo 465, 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 |
| 4 GB RAM | 6 GB RAM |
| Adreno 618 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.36 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 11.74 |
| Camera | |
| 48.00 MP + 16.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") 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 |
| 11.55 | 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5020mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| 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, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M31 has a general score of 86.5, which is slightly better than the Xiaomi Redmi Note 9S's 79 overall score. The Galaxy M31 body has the same thickness than the Xiaomi Redmi Note 9S, but it is a little lighter. Both of these devices come with the same Android 11 OS. Galaxy M31 features a bit superior processor than Xiaomi Redmi Note 9S, and although they both have the same number of cores, the Galaxy M31 also has a larger amount of RAM memory.
Galaxy M31 counts with just a bit better looking screen than Xiaomi Redmi Note 9S, because although it has a quite smaller display and a quite lower resolution of 1080 x 2340 pixels, it also counts with a little more pixels per inch of screen. Samsung Galaxy M31 features a slightly better camera than Xiaomi Redmi Note 9S, and although they both have the same video frame rates, a F1.8 camera aperture and the same video quality, the Samsung Galaxy M31 also has a bigger back camera sensor taking higher quality pictures and a camera in the back with a much better resolution.
Galaxy M31 and Xiaomi Redmi Note 9S count with really similar memory for games and applications, both of them have exactly the same internal memory capacity and a SD card slot that allows a maximum of 512 GB. Galaxy M31 has greater battery duration than Xiaomi Redmi Note 9S, because it has a 20 percent bigger battery capacity.
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