Compare phones
| Global Score | |
| 86.5 | 79.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2020-03-05 | 2016-03-11 |
| 6.27 x 2.96 x 0.35 inches | 5.61 x 2.74 x 0.31 inches |
| 6.74 ounces | 5.36 ounces |
| Black, Blue and Red | Black, Gold, Pink, Pink gold, Silver and White |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 4) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 124.00 |
| Display / Screen | |
| 6.4 inches | 5.1 inches |
| 2340 x 1080 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 576 pixels per inch |
| 420 cd/m2 brightness | 855 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.6 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 820 MSM8996 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo, 64-bit, 14 nm (Quad-Core 2200 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 530 GPU |
| 9.36 | 9 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 200 GB) external memory slot |
| 11.74 | 8.56 |
| Camera | |
| 64.00 MP + 32.00 MP | 12.00 MP + 5.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.4 inches (1/2.5") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 12.1 | 9.79 |
| 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 Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 4.96 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy M31 is slightly better than the Galaxy S7, with a score of 86.5 against 79.5. The Samsung Galaxy M31 body is extremely newer, but thicker and notably heavier than the Galaxy S7. Samsung Galaxy S7 has a better looking display than Samsung Galaxy M31, because although it has a lot smaller screen, it also counts with a better resolution of 1440 x 2560 pixels, much more brightness and a higher pixels quantity per inch in the screen.
The Samsung Galaxy M31 counts with a much greater storage capacity for applications, games, photos and videos than Samsung Galaxy S7, because it has 32 GB more internal storage and an external SD slot that allows a maximum of 512 GB. Galaxy M31 has a bit superior processing unit than Samsung Galaxy S7, because it has a higher number of faster cores and 2 GB more RAM memory.
The Samsung Galaxy M31 shoots way better photos and videos than Galaxy S7, because although it has a smaller diafragm aperture which is not so good for capturing photographs in poorly lited situations, and they both have the same 30 frames per second video frame rates and the same (4K) video quality, the Samsung Galaxy M31 also counts with a back camera with lot more megapixels and a way larger sensor capturing way higher quality videos and pictures.
Galaxy M31 has a way better battery performance than Samsung Galaxy S7, because it has 6000mAh of battery capacity.
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