Compare phones
| Global Score | |
| 73.9 | 76.1 |
| Basic Information | |
| Vivo | Samsung |
| Android 9.0 Pie | Android 10 |
| 2019-09-16 | 2020-06-29 |
| 6.59 x 3.00 x 0.37 inches | 6.61 x 3.02 x 0.32 inches |
| 7.71 ounces | 6.81 ounces |
| Glowing night | Black |
| Aluminum and Glass | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6.9 inches | 6.5 inches |
| 2256 x 1080 pixels | 1600 x 720 pixels |
| P-OLED | IPS LCD |
| 362 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC chipset | Mediatek Helio P35 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 640 GPU | PowerVR GE8320 GPU |
| 9.72 | 9.27 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 9.84 |
| Camera | |
| 64.00 MP + 16.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.59 inches (1/1.7") sensor | 0.33 inches (1/3.06") 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 | 9.35 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.92 |
| 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 |
| -- | FM Radio |
Comparison review
Galaxy A21 has a score of 76.1, which is just a bit better than vivo NEX 3's global score of 73.9. Both of these phones include Android operating system, but the Galaxy A21 has 10 version while vivo NEX 3 has Android 9.0 Pie. The Galaxy A21 is a newer cellphone, and it's also somewhat lighter and thinner than vivo NEX 3.
Vivo NEX 3 counts with a bit superior processing unit than Samsung Galaxy A21, and although they both have 8 CPU cores, the vivo NEX 3 also has 5 GB more RAM memory. Vivo NEX 3 has a little sharper display than Samsung Galaxy A21, because it has a much higher resolution of 1080 x 2256 pixels, a higher pixel count in each inch of display and a quite larger screen.
Vivo NEX 3 counts with a lot bigger memory for games and applications than Galaxy A21, because although it has no slot for SD memory cards, it also counts with 224 GB more internal storage capacity. The vivo NEX 3 features a bit longer battery performance than Samsung Galaxy A21, because it has a 4500mAh battery capacity.
Vivo NEX 3 counts with a very superior camera than Galaxy A21, and although they both have a F1.8 aperture, the vivo NEX 3 also has a much better (4K) video resolution, a lot bigger camera sensor which offers a lot better photo and video quality and a lot higher resolution back facing camera.
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