Compare phones
| Global Score | |
| 73.9 | 81.3 |
| Basic Information | |
| Vivo | Samsung |
| Android 9.0 Pie | Android 10 |
| 2019-09-16 | 2020-04-27 |
| 6.59 x 3.00 x 0.37 inches | 6.27 x 2.88 x 0.34 inches |
| 7.71 ounces | 6.53 ounces |
| Glowing night | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Aluminum and Glass | Plastic |
| Display / Screen | |
| 6.9 inches | 6.4 inches |
| 2256 x 1080 pixels | 2400 x 1080 pixels |
| P-OLED | Super AMOLED |
| 362 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 640 GPU | Mali-G52 MC2 GPU |
| 9.72 | 9.09 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 11.74 |
| Camera | |
| 64.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 12.1 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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
Galaxy A31 has a score of 81.3, which is slightly better than vivo NEX 3's global score of 73.9. Although Galaxy A31 and the vivo NEX 3 were released only a couple months apart, Galaxy A31 is somewhat lighter and just a little thinner. These phones come with Android operating system, but the Galaxy A31 has older 10 version while vivo NEX 3 has Android 9.0 Pie.
Vivo NEX 3 counts with just a little better processing power than Galaxy A31, and although they both have the same number of cores, the vivo NEX 3 also has 4 GB more RAM. The Samsung Galaxy A31 counts with a slightly better looking screen than vivo NEX 3, because although it has a little bit smaller screen, it also counts with a little more pixels per inch in the screen and a quite better resolution of 1080 x 2400px.
The vivo NEX 3 counts with a quite bigger memory capacity to install games and applications than Samsung Galaxy A31, because although it has no SD memory card expansion slot, it also counts with more internal memory capacity. Vivo NEX 3 takes much better photos and videos than Samsung Galaxy A31, because it has a back facing camera with a way better 64 mega pixels resolution, a larger aperture, a larger sensor and a lot higher 3840x2160 video resolution.
The Galaxy A31 counts with a little better battery duration than vivo NEX 3, because it has a 5000mAh battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.