Compare phones
| Global Score | |
| 88 | 81 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 6.0 Marshmallow |
| 2020-08-06 | 2017-02-24 |
| 6.27 x 2.93 x 0.37 inches | 6.41 x 3.18 x 0.27 inches |
| 7.16 ounces | 6.63 ounces |
| Mirage black and Mirage blue | Black and Gold |
| -- | Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6 inches |
| 2400 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 367 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.8 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 653 8976 Pro chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A72 and ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1950 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 510 GPU |
| 9.36 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 14.14 | 10.78 |
| Camera | |
| 64.00 MP + 32.00 MP | 16.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 12.1 | 9.24 |
| 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 | |
| 6000mAh Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | 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 | FM Radio |
Comparison review
The Galaxy M31s has a global score of 88, which is just a bit better than Galaxy C9 Pro's 81 overall score. Galaxy M31s's construction is noticeably newer than Galaxy C9 Pro's, but it is thicker and just a bit heavier. Both of these phones use Android OS (operating system), but the Galaxy M31s has 11 version while Galaxy C9 Pro has Android 6.0 Marshmallow version.
The Galaxy M31s counts with a slightly better looking display than Samsung Galaxy C9 Pro, because it has a just a little more pixels per inch in the screen, a slightly higher resolution of 1080 x 2400px and a quite larger display. The Galaxy M31s counts with a much bigger memory for games and applications than Galaxy C9 Pro, because it has a slot for an external memory card that supports up to 512 GB and 128 GB internal memory capacity.
The Galaxy M31s has a little bit better hardware performance than Galaxy C9 Pro. Both of them have a 6 GB RAM and 8 CPU cores. The Samsung Galaxy M31s features a much longer battery life than Galaxy C9 Pro, because it has a 6000mAh battery size. Galaxy M31s takes way better photos and videos than Galaxy C9 Pro, because it has a larger aperture to take better images and videos in low-light environments, a much higher 3840x2160 video resolution and a much higher resolution back camera.
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