Compare phones
| Global Score | |
| 79.5 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2016-03-11 | 2020-03-05 |
| 5.61 x 2.74 x 0.31 inches | 6.27 x 2.96 x 0.35 inches |
| 5.36 ounces | 6.74 ounces |
| Black, Gold, Pink, Pink gold, Silver and White | Black, Blue and Red |
| Aluminum and Glass (Corning Gorilla Glass 4) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 124.00 | -- |
| Display / Screen | |
| 5.1 inches | 6.4 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 576 pixels per inch | 403 pixels per inch |
| 855 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.6 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 820 MSM8996 chipset | Exynos 9611 chipset |
| Kryo, 64-bit, 14 nm (Quad-Core 2200 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 530 GPU | Mali-G72 MP3 GPU |
| 9 | 9.36 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 200 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.56 | 11.74 |
| Camera | |
| 12.00 MP + 5.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.4 inches (1/2.5") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.79 | 12.1 |
| 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M31 has an overall score of 86.5, which is a little bit better than Galaxy S7's overall score of 79.5. The Galaxy M31 is a newer cellphone than the Galaxy S7, but it is incredibly heavier and somewhat thicker. The Galaxy M31 counts with a little bit better performance than Samsung Galaxy S7, because it has a greater amount of RAM and a greater number of cores.
Samsung Galaxy S7 features a more vivid display than Galaxy M31, because although it has a really smaller screen, it also counts with a higher resolution of 1440 x 2560 pixels, a lot brighter screen and more pixels per display inch. Galaxy M31 captures a lot better pictures and videos than Samsung Galaxy S7, because although it has a tinier aperture which is not recommended for taking photos and videos in poorly lited situations, and they both have the same video frame rate and the same 3840x2160 video resolution, the Galaxy M31 also counts with a much more megapixels camera and a lot bigger sensor capturing way better quality videos and photos.
Samsung Galaxy M31 has a lot bigger memory for apps and games than Galaxy S7, because it has a slot for an SD memory card that holds a maximum of 512 GB and 64 GB internal memory capacity. Galaxy M31 has a really longer battery life than Galaxy S7, because it has a 6000mAh battery capacity.
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