Compare phones
| Global Score | |
| 76.1 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 7.0 Nougat | Android 11, 10 |
| 2017-06-20 | 2020-03-05 |
| 6.17 x 3.10 x 0.32 inches | 6.27 x 2.96 x 0.35 inches |
| 6.31 ounces | 6.74 ounces |
| 16 777 216 | Black, Blue and Red |
| Aluminum | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.7 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 386 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.4 |
| Performance | |
| MediaTek Helio P20 MT6757 chipset | Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 16 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-T880 MP2 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.36 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 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) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3300mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| 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
Galaxy M31 is much better than Samsung Galaxy J7 Max, getting a global score of 86.5 against 76.1. The Galaxy M31 is a noticeably newer cellphone than Samsung Galaxy J7 Max, although it's a little bit thicker and just a little heavier. Both of these phones include Android OS (operating system), but Galaxy M31 has the previous 11 version while Samsung Galaxy J7 Max has Android 7.0 Nougat.
The Samsung Galaxy M31 features a little faster processor than Galaxy J7 Max, and although they both have 8 CPU cores, the Samsung Galaxy M31 also has a greater amount of RAM memory. The Galaxy M31 features a slightly better screen than Samsung Galaxy J7 Max, because it has a quite larger display, a slightly higher 1080 x 2340px resolution and a bit higher screen pixel density.
Samsung Galaxy M31 counts with a much greater storage capacity to install applications and games than Galaxy J7 Max, because it has a slot for an external memory card that allows up to 512 GB and 32 GB more internal storage. Samsung Galaxy M31 features a way better camera than Galaxy J7 Max, because although it has a tinier camera aperture which is not so good for taking photos and/or video in low light situations, it also counts with a much higher 64 mega-pixels resolution back-facing camera and a lot higher video definition.
Samsung Galaxy M31 counts with a really longer battery lifetime than Galaxy J7 Max, because it has 6000mAh of battery capacity.
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