Compare phones
| Global Score | |
| 71.9 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 11, 10 |
| 2018-06-07 | 2020-03-05 |
| 6.03 x 3.00 x 0.34 inches | 6.27 x 2.96 x 0.35 inches |
| 6.38 ounces | 6.74 ounces |
| 16 777 216 | Black, Blue and Red |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 240.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| TFT | Super AMOLED |
| 267 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 8.4 |
| Performance | |
| Samsung Exynos 7 Octa 7884 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 MP1 GPU | Mali-G72 MP3 GPU |
| 8.73 | 9.36 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.44 | 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) and LTE (4G) | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 5.6 | 6.7 |
| Battery Life | |
| 3300mAh 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 |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy M31 is much better than Samsung Galaxy J7 V (2018), having an 86.5 score against 71.9. The Samsung Galaxy M31 construction is newer, but just a little thicker and just a bit heavier than the Samsung Galaxy J7 V (2018). Both of these phones include Android operating system, but the Samsung Galaxy M31 has 11 version while Samsung Galaxy J7 V (2018) has Android 8.0 Oreo.
Samsung Galaxy M31 features a bit better processing power than Galaxy J7 V (2018), and although they both have a Octa-Core CPU, the Samsung Galaxy M31 also has 4 GB more RAM. Samsung Galaxy M31 has a sharper screen than Samsung Galaxy J7 V (2018), because it has a lot greater display pixel density, a larger screen and a lot higher 1080 x 2340px resolution.
Galaxy M31 features a much better camera than Samsung Galaxy J7 V (2018), because although it has a smaller aperture which is not favorable for low-light captures, it also counts with a much more mega pixels back facing camera and a way better 3840x2160 (4K) video resolution. The Galaxy M31 features much more storage capacity to install applications and games than Samsung Galaxy J7 V (2018), because it has 64 GB internal storage capacity and an external memory slot that allows a maximum of 512 GB.
Galaxy M31 counts with a really longer battery duration than Galaxy J7 V (2018), because it has 6000mAh of battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.