Compare phones
| Global Score | |
| 86.5 | 80.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 14 |
| 2020-03-05 | 2024-10-29 |
| 6.27 x 2.96 x 0.35 inches | 6.00 x 2.80 x 0.32 inches |
| 6.74 ounces | 6.67 ounces |
| Black, Blue and Red | -- |
| Plastic and Plastic | Glass |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2670 x 1200 pixels |
| Super AMOLED | OLED |
| 403 pixels per inch | 457 pixels per inch |
| 420 cd/m2 brightness | 3200 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 10.2 |
| Performance | |
| Exynos 9611 chipset | Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 6 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 830 GPU |
| 9.36 | 6.21 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 13.3 |
| Camera | |
| 64.00 MP + 32.00 MP | 50.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.60 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.59 inches (1/1.7") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full 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 | 5G, 5G |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 5400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 7.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass and Gyroscope |
| FM Radio | -- |
Comparison review
Galaxy M31 has a global score of 86.5, which is slightly better than the Xiaomi 15's overall score of 80.6. The Galaxy M31 is a way older, just a little bit heavier and a bit thicker cellphone than Xiaomi 15. Both phones in this comparison come with Android operating system, but the Galaxy M31 has an older 11 version while Xiaomi 15 has Android 14 version.
The Galaxy M31 has an extremely better CPU than Xiaomi 15, although it has 6 GB less RAM, they both have a Octa-Core processing unit. Xiaomi 15 features an incredibly better screen than Galaxy M31, and although they both have a same size screen, the Xiaomi 15 also has a way brighter screen, a little higher 1200 x 2670 resolution and a just a little better display pixels density.
Xiaomi 15 counts with a quite bigger memory to store more apps and games than Samsung Galaxy M31, because although it has no external memory card slot, it also counts with 192 GB more internal memory. The Xiaomi 15's camera is very similar to the camera in Galaxy M31, because although the Xiaomi 15 has a lot lower resolution camera, it also counts with a larger diafragm aperture to capture better images and video in poorly lited situations and a way better 7680x4320 video definition.
The Galaxy M31 has a little better battery duration than Xiaomi 15, because it has 6000mAh of battery capacity.
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