Compare phones
| Global Score | |
| 76.7 | 88 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| 2021-05-27 | 2020-08-06 |
| 6.23 x 2.96 x 0.33 inches | 6.27 x 2.93 x 0.37 inches |
| 6.70 ounces | 7.16 ounces |
| Moonlight White, Neptune Blue and Space Black, | Mirage black and Mirage blue |
| Glass and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Samsung Exynos 9611 chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali G52 MC2 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.36 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.02 | 14.14 |
| Camera | |
| 48.00 MP + 13.00 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 |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | 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 Samsung Galaxy M31s has an overall score of 88, which is better than Xiaomi Redmi Note 8 2021's general score of 76.7. These phones include the same Android 11 OS, so they should offer all the same OS features. Even being the best we are comparing here, Samsung Galaxy M31s is an older, just a little bit heavier and somewhat thicker phone than Xiaomi Redmi Note 8 2021.
Samsung Galaxy M31s features a little bit better hardware performance than Xiaomi Redmi Note 8 2021, and although they both have 8 processing cores, the Samsung Galaxy M31s also has a greater amount of RAM memory. The Samsung Galaxy M31s and Xiaomi Redmi Note 8 2021 feature similar displays, because although the Samsung Galaxy M31s has a quite lower pixel count in each inch of display, it also counts with a bit bigger display and a bit higher resolution of 1080 x 2400 pixels.
The Samsung Galaxy M31s has much more storage capacity for applications, games, photos and videos than Xiaomi Redmi Note 8 2021, because it has more internal memory and a SD memory slot that holds up to 512 GB. The Galaxy M31s captures better pictures and videos than Xiaomi Redmi Note 8 2021, and although they both have the same aperture, the Galaxy M31s also has a camera with a much higher resolution, a much higher video definition and a larger sensor taking higher quality videos and photographs.
Galaxy M31s counts with a way better battery life than Xiaomi Redmi Note 8 2021, because it has a 50% greater battery capacity.
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