Compare phones
| Global Score | |
| 71.8 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2017-07-04 | 2020-03-05 |
| 5.76 x 2.81 x 0.31 inches | 6.27 x 2.96 x 0.35 inches |
| 5.64 ounces | 6.74 ounces |
| 16 777 216 | Black, Blue and Red |
| Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.2 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 282 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.4 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB RAM | 6 GB RAM |
| Mali-T830 MP2 GPU | Mali-G72 MP3 GPU |
| 8.73 | 9.36 |
| Storage | |
| 16 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 7.48 | 11.74 |
| Camera | |
| 13.00 MP + 13.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.02 | 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 Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 7.52 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| 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 Samsung Galaxy M31 has a global score of 86.5, which is way better than the Samsung Galaxy J5 (2017)'s general score of 71.8. The Samsung Galaxy M31 body is extremely newer, but somewhat heavier and thicker than the Samsung Galaxy J5 (2017). Galaxy M31 counts with a more vivid screen than Galaxy J5 (2017), because it has a way higher resolution of 1080 x 2340, a larger display and a higher pixel density.
The Samsung Galaxy M31 features a little bit better performance than Galaxy J5 (2017), and although they both have the same number of cores, the Samsung Galaxy M31 also has more RAM memory. Galaxy M31 features a much bigger storage to install applications and games than Samsung Galaxy J5 (2017), because it has 64 GB internal storage capacity and a slot for external memory cards that admits up to 512 GB.
Galaxy M31 features a way better battery performance than Galaxy J5 (2017), because it has a 6000mAh battery size instead of 3000mAh. The Galaxy M31 counts with a greater camera than Galaxy J5 (2017), because although it has a tinier diafragm aperture, it also counts with a way higher resolution camera and a way better 3840x2160 video resolution.
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