Compare phones
| Global Score | |
| 81 | 88 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 11, 10 |
| -- | 2020-08-06 |
| -- | 6.27 x 2.93 x 0.37 inches |
| -- | 7.16 ounces |
| Black and White | Mirage black and Mirage blue |
| Aluminum and Ceramic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 524 pixels per inch | 405 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.7 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset | Samsung Exynos 9611 chipset |
| processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 730 GPU | Mali-G72 MP3 GPU |
| 6.21 | 9.36 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 14.14 |
| Camera | |
| 50.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 12.32 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4800mAh Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.64 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| 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 is slightly better than Xiaomi 12S Ultra, with an 88 score against 81. Both phones in this comparison review come with Android operating system, but the Galaxy M31s has an older 11 version and Xiaomi 12S Ultra has Android 12. Galaxy M31s has a really superior processing power than Xiaomi 12S Ultra, although it has lesser RAM memory, they both have a Octa-Core processing unit.
The Xiaomi 12S Ultra counts with a sharper screen than Samsung Galaxy M31s, because it has a greater count of pixels per inch in the display, a better 1440 x 3200 resolution and a bit larger display. The Galaxy M31s counts with a little bit better memory capacity to install applications and games or saving photos and videos than Xiaomi 12S Ultra, because although it has 0 less internal memory capacity, it also counts with an external SD slot that allows a maximum of 512 GB.
Xiaomi 12S Ultra captures a bit better pictures and videos than Galaxy M31s, because although it has a tinier diafragm aperture which is not nice for low-light images and video, a smaller back camera sensor giving a worse image quality and a way worse resolution back facing camera, it also counts with a lot better 7680x4320 video quality.
Samsung Galaxy M31s has longer battery performance than Xiaomi 12S Ultra, because it has 6000mAh of battery capacity against 4800mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.