Compare phones
| Global Score | |
| 86.5 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 7.0 Nougat |
| 2020-03-05 | 2017-06-20 |
| 6.27 x 2.96 x 0.35 inches | 6.17 x 3.10 x 0.32 inches |
| 6.74 ounces | 6.31 ounces |
| Black, Blue and Red | 16 777 216 |
| Plastic and Plastic | Aluminum |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 5.7 inches |
| 2340 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 386 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8 |
| Performance | |
| Exynos 9611 chipset | MediaTek Helio P20 MT6757 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A53, 64-bit, 16 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-T880 MP2 GPU |
| 9.36 | 9.27 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 11.74 | 8.88 |
| Camera | |
| 64.00 MP + 32.00 MP | 13.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.70 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 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.1 |
| 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 | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M31 has a score of 86.5, which is much better than the Galaxy J7 Max's 76.1 general score. Galaxy M31 is a extremely newer cellphone than the Galaxy J7 Max, although it is a little heavier and a little thicker. Both of these phones include Android OS (operating system), but Galaxy M31 has the previous 11 version while Galaxy J7 Max has Android 7.0 Nougat version.
The Samsung Galaxy M31 counts with a little better hardware performance than Galaxy J7 Max, and although they both have 8 cores, the Samsung Galaxy M31 also has a greater amount of RAM memory. The Samsung Galaxy M31 counts with a bit more vivid screen than Samsung Galaxy J7 Max, because it has a little bit higher pixel amount in each inch of display, a slightly higher 1080 x 2340 resolution and a quite bigger display.
Galaxy M31 takes much better photographs and videos than Galaxy J7 Max, because although it has a smaller aperture which is worse for low-light images and videos, it also counts with a back-facing camera with a much higher 64 mega-pixels resolution and a lot higher 3840x2160 video quality. Galaxy M31 features a lot bigger memory capacity to store more apps and games than Galaxy J7 Max, because it has a SD card slot that allows a maximum of 512 GB and 32 GB more internal memory.
The Samsung Galaxy M31 has a superior battery lifetime than Samsung Galaxy J7 Max, because it has an 82 percent greater battery capacity.
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