Compare phones
| Global Score | |
| 88 | 83.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2020-08-06 | 2018-03-16 |
| 6.27 x 2.93 x 0.37 inches | 5.81 x 2.70 x 0.33 inches |
| 7.16 ounces | 5.75 ounces |
| Mirage black and Mirage blue | Burgundy red, Coral blue, Ice blue, Lilac purple, Midnight black, Sunrise gold and Titanium gray |
| -- | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 158.00 |
| Display / Screen | |
| 6.5 inches | 5.8 inches |
| 2400 x 1080 pixels | 2960 x 1440 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 568 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.9 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 630 GPU |
| 9.36 | 9.54 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 14.14 | 11.34 |
| Camera | |
| 64.00 MP + 32.00 MP | 12.00 MP + 8.00 MP |
| f/1.80 aperture | f/1.50 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.1 | 10.23 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M31s has a general score of 88, which is slightly better than the Galaxy S9's global score of 83.3. Galaxy M31s's body is way newer than the Galaxy S9's, although it's somewhat thicker and somewhat heavier. The Galaxy S9 has a slightly better looking screen than Samsung Galaxy M31s, because although it has a little smaller screen, it also counts with a better quantity of pixels per inch of display and a higher 1440 x 2960 pixels resolution.
Galaxy S9 features a bit superior processor than Samsung Galaxy M31s, although it has a lower amount of RAM, they both have the same number of cores. Galaxy M31s features a much bigger storage capacity for games and applications than Samsung Galaxy S9, because it has 128 GB internal memory capacity and a slot for an SD memory card that holds a maximum of 512 GB.
The Galaxy M31s shoots much clearer photos and videos than Samsung Galaxy S9, because although it has slower video frame rates and a smaller aperture which is not favorable for low-light captures, and they both have the same 3840x2160 video quality, the Galaxy M31s also counts with a way higher 64 MP resolution back facing camera and a way bigger sensor providing a way better image quality.
The Samsung Galaxy M31s features a much longer battery duration than Galaxy S9, because it has a 6000mAh battery capacity.
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