Compare phones
| Global Score | |
| 75.3 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo, 7.1 Nougat | Android 10 |
| -- | 2020-04-27 |
| 5.97 x 2.95 x 0.31 inches | 6.27 x 2.88 x 0.34 inches |
| 6.00 ounces | 6.53 ounces |
| Black, Gold and Rose gold | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Metal | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | MediaTek Helio P65 MT6768 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-T830 MP1 GPU | Mali-G52 MC2 GPU |
| 8.73 | 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/1.90 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.13 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 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 Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.8 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy A31 has a score of 81.3, which is slightly better than Galaxy J7 Prime 2's 75.3 score. Despite being the best phone in this comparison review, Samsung Galaxy A31 is a just a little thicker and just a little heavier phone than the Galaxy J7 Prime 2. Both of these phones have Android OS (Operating System), but Samsung Galaxy A31 has the previous 10 version and Galaxy J7 Prime 2 has Android 9.0 Pie version.
Galaxy A31 counts with a bit superior CPU than Galaxy J7 Prime 2, and although they both have 8 CPU cores, the Galaxy A31 also has more RAM memory. Galaxy A31 has just a bit better looking display than Samsung Galaxy J7 Prime 2, because it has a bigger display, a bit greater amount of pixels per inch in the display and a little bit higher resolution of 1080 x 2400 pixels.
Samsung Galaxy A31 features a much bigger memory to install applications and games or saving photos and videos than Samsung Galaxy J7 Prime 2, because it has more internal memory and an external memory slot that supports up to 512 GB. The Galaxy A31 has a better camera than Samsung Galaxy J7 Prime 2, because although it has a smaller aperture which is not good for shooting images and videos in low-light environments, and they both have the same 1920x1080 video resolution and the same 30 fps video frame rate, the Galaxy A31 also counts with a lot larger sensor which provides a much better image and video quality and a camera in the back with a way better resolution.
The Samsung Galaxy A31 counts with a way better battery performance than Samsung Galaxy J7 Prime 2, because it has a 52 percent bigger battery capacity.
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