Compare phones
| Global Score | |
| 71.9 | 88 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 11, 10 |
| 2018-06-07 | 2020-08-06 |
| 6.03 x 3.00 x 0.34 inches | 6.27 x 2.93 x 0.37 inches |
| 6.38 ounces | 7.16 ounces |
| 16 777 216 | Mirage black and Mirage blue |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 240.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1280 x 720 pixels (HD) | 2400 x 1080 pixels |
| TFT | Super AMOLED |
| 267 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Samsung 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 | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.44 | 14.14 |
| 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 |
| -- | 1280 x 720 (480 fps) (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 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 M31s has a global score of 88, which is way better than Galaxy J7 V (2018)'s general score of 71.9. Both phones we compare here have Android operating system, but the Samsung Galaxy M31s has the older 11 version while Galaxy J7 V (2018) has Android 8.0 Oreo version. Although Samsung Galaxy M31s is way newer than the Galaxy J7 V (2018), it's heavier and just a bit thicker.
Galaxy M31s has a bit better processor than Galaxy J7 V (2018), and although they both have 8 cores, the Galaxy M31s also has more RAM. The Galaxy M31s features a brighter screen than Samsung Galaxy J7 V (2018), because it has a bigger screen, a much higher 1080 x 2400 resolution and a much greater pixel amount per inch in the screen.
The Samsung Galaxy M31s captures much clearer videos and photos than Samsung Galaxy J7 V (2018), because although it has a tinier aperture which is not good for low light captures and video, it also counts with a way more mega pixels camera in the back and a lot better (4K) video resolution. The Galaxy M31s has a way bigger storage for applications, games, photos and videos than Samsung Galaxy J7 V (2018), because it has more internal memory capacity and a slot for an external memory card that supports up to 512 GB.
Galaxy M31s has a much longer battery life than Galaxy J7 V (2018), because it has a 6000mAh battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.