Compare phones
| Global Score | |
| 86.5 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow |
| 2020-03-05 | 2016-06-01 |
| 6.27 x 2.96 x 0.35 inches | 6.17 x 3.04 x 0.27 inches |
| 6.74 ounces | 5.96 ounces |
| Black, Blue and Red | Gold, Gray and Pink |
| Plastic and Plastic | Metal |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 5.7 inches |
| 2340 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 386 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.9 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 625 8953 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 506 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 128 GB) external memory slot |
| 11.74 | 10.02 |
| Camera | |
| 64.00 MP + 32.00 MP | 16.00 MP + 8.00 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 | 9.13 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G) and HSPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3300mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.28 |
| 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, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M31 has a general score of 86.5, which is much better than Galaxy C7's global score of 77.7. Both devices in our current comparison include Android OS (Operating System), but the Galaxy M31 has 11 version and Galaxy C7 has Android 8.0 Oreo version. Even though Galaxy M31 is incredibly newer than Galaxy C7, it is heavier and extremely thicker.
The Galaxy M31 has just a bit better looking display than Samsung Galaxy C7, because it has a just a little better screen pixels density, a slightly better 1080 x 2340px resolution and a quite larger screen. The Galaxy M31 counts with a bit more powerful processing unit than Samsung Galaxy C7, and although they both have 8 processing cores, the Galaxy M31 also has more RAM.
The Galaxy M31 has more memory to install applications and games or saving photos and videos than Samsung Galaxy C7, and although they both have exactly the same internal storage capacity, the Galaxy M31 also has a slot for an external memory card that holds a maximum of 512 GB. Galaxy M31 features a very superior battery duration than Galaxy C7, because it has 6000mAh of battery capacity against 3300mAh.
Samsung Galaxy M31 takes way better photographs and videos than Galaxy C7, because it has a lot higher 64 megapixels resolution back-facing camera, a way higher 3840x2160 (4K) video quality and a bigger camera aperture to take better low-light images and video.
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