Compare phones
| Global Score | |
| 76.6 | 88 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11, 10 |
| 2020-05-20 | 2020-08-06 |
| 6.39 x 3.04 x 0.35 inches | 6.27 x 2.93 x 0.37 inches |
| 7.02 ounces | 7.16 ounces |
| Forest green, Midnight gray and Polar white | Mirage black and Mirage blue |
| Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 283.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 396 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| MediaTek Helio G85 chipset | Samsung Exynos 9611 chipset |
| Arm Cortex-A75 and ArmCortex-A55, 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 |
| 3 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 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 Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | 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 |
Comparison review
Galaxy M31s has a general score of 88, which is better than the Xiaomi Redmi Note 9's 76.6 global score. Although Galaxy M31s is a better cellphone than Xiaomi Redmi Note 9, it must be told that it is also a just a bit heavier and a little bit thicker cellphone. Both of these phones use Android OS (operating system), but Galaxy M31s has the newer 11 version while Xiaomi Redmi Note 9 has Android 10, providing the user lots of additional features and performance enhancements.
Galaxy M31s counts with a bit faster processor than Xiaomi Redmi Note 9, and although they both have 8 cpu cores, the Galaxy M31s also has more RAM. Samsung Galaxy M31s counts with a little sharper display than Xiaomi Redmi Note 9, and although they both have a display with the same size, the Samsung Galaxy M31s also has a slightly higher 1080 x 2400 pixels resolution and a just a bit better display pixels density.
The Galaxy M31s has much more storage capacity to install applications and games than Xiaomi Redmi Note 9, because it has 64 GB more internal storage capacity and a slot for SD memory cards that admits up to 512 GB. The Samsung Galaxy M31s features greater battery lifetime than Xiaomi Redmi Note 9, because it has 6000mAh of battery capacity.
The Samsung Galaxy M31s captures better pictures and videos than Xiaomi Redmi Note 9, and although they both have a same size aperture, the Samsung Galaxy M31s also has a bigger back camera sensor shooting better quality photographs, a way more mega pixels back facing camera and a lot better 3840x2160 video resolution.
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