Compare phones
| Global Score | |
| 86.5 | 81 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 6.0 Marshmallow |
| 2020-03-05 | 2017-02-24 |
| 6.27 x 2.96 x 0.35 inches | 6.41 x 3.18 x 0.27 inches |
| 6.74 ounces | 6.63 ounces |
| Black, Blue and Red | Black and Gold |
| Plastic and Plastic | Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6 inches |
| 2340 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 367 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.8 |
| Performance | |
| 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 | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 11.74 | 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 |
| 1920 x 1080 (240 fps) (Full 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 Li - Polymer 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 M31 has a general score of 86.5, which is a bit better than the Galaxy C9 Pro's 81 general score. Galaxy M31's construction is incredibly newer, but noticeably thicker and just a little bit heavier than Galaxy C9 Pro. Both phones we are comparing have Android OS (operating system), but Galaxy M31 has the older 11 version while Galaxy C9 Pro has Android 6.0 Marshmallow version.
Galaxy M31 has a little better performance than Galaxy C9 Pro. They have a 6 GB RAM and 8 CPU cores. Galaxy M31 counts with a little bit better looking screen than Samsung Galaxy C9 Pro, because it has a little bit higher 1080 x 2340 resolution, a just a little higher pixel density and a little bit larger screen.
The Galaxy M31 counts with a slightly better memory for applications and games than Samsung Galaxy C9 Pro, and although they both have equal internal storage, the Galaxy M31 also has a SD memory slot that allows up to 512 GB. The Samsung Galaxy M31 captures much better videos and photos than Galaxy C9 Pro, because it has a lot higher 3840x2160 video quality, a much better resolution camera in the back and a larger diafragm aperture to capture better low-light captures.
Galaxy M31 counts with a superior battery duration than Galaxy C9 Pro, because it has a 50 percent larger battery size.
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