Compare phones
| Global Score | |
| 76.1 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 7.0 Nougat | Android 10 |
| 2017-06-20 | 2020-04-27 |
| 6.17 x 3.10 x 0.32 inches | 6.27 x 2.88 x 0.34 inches |
| 6.31 ounces | 6.53 ounces |
| 16 777 216 | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Aluminum | Plastic |
| Display / Screen | |
| 5.7 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 386 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| MediaTek Helio P20 MT6757 chipset | MediaTek Helio P65 MT6768 chipset |
| ARM Cortex-A53, 64-bit, 16 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-T880 MP2 GPU | Mali-G52 MC2 GPU |
| 9.27 | 9.09 |
| 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 | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.02 | 10.89 |
| 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 | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.8 |
| 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 |
Comparison review
The Galaxy A31 is a bit better than Samsung Galaxy J7 Max, with a score of 81.3 against 76.1. Both of these phones come with Android OS (operating system), but Galaxy A31 has the older 10 version while Samsung Galaxy J7 Max has Android 7.0 Nougat version. Galaxy A31's design is incredibly newer than the Samsung Galaxy J7 Max's, but it is a bit thicker and just a bit heavier.
The Samsung Galaxy A31 counts with just a bit better looking display than Galaxy J7 Max, because it has a slightly better resolution of 1080 x 2400px, a little larger screen and a just a bit more pixels per screen inch. Galaxy J7 Max counts with a bit faster CPU than Galaxy A31. Both have a 4 GB RAM memory and a Octa-Core CPU.
Galaxy A31 features a way bigger memory capacity for games and applications than Samsung Galaxy J7 Max, because it has 64 GB internal storage capacity and a SD extension slot that holds up to 512 GB. The Galaxy A31 features a very superior battery lifetime than Galaxy J7 Max, because it has 5000mAh of battery capacity instead of 3300mAh.
The Galaxy A31 features a way better camera than Galaxy J7 Max, because although it has a smaller diafragm aperture, and they both have the same video frame rates and the same 1920x1080 (Full HD) video quality, the Galaxy A31 also counts with a camera in the back with much more mega pixels.
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