Compare phones
| Global Score | |
| 73.9 | 84.1 |
| Basic Information | |
| Vivo | Samsung |
| Android 9.0 Pie | Android 11, 10 |
| 2019-09-16 | 2020-03-23 |
| 6.59 x 3.00 x 0.37 inches | 6.26 x 2.96 x 0.35 inches |
| 7.71 ounces | 6.63 ounces |
| Glowing night | Midnight blue and Raven black |
| Aluminum and Glass | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.9 inches | 6.4 inches |
| 2256 x 1080 pixels | 2340 x 1080 pixels |
| P-OLED | Super AMOLED |
| 362 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC chipset | Exynos 9611 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 640 GPU | Mali-G72 MP3 GPU |
| 9.72 | 9.27 |
| 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.1 | 11.55 |
| 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 | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy M21 has a score of 84.1, which is much better than the vivo NEX 3's 73.9 score. Both of these devices work with Android OS, but Samsung Galaxy M21 has older 11 version while vivo NEX 3 has Android 9.0 Pie version. Even though Samsung Galaxy M21 and the vivo NEX 3 were only released 6 months apart, Samsung Galaxy M21 is lighter and a little bit thinner.
The vivo NEX 3 counts with a bit better performance than Galaxy M21, and although they both have the same number of cores, the vivo NEX 3 also has 4 GB more RAM. Samsung Galaxy M21 features a little sharper screen than vivo NEX 3, because although it has a bit smaller screen, it also counts with a little bit higher resolution of 1080 x 2340 pixels and a just a little greater amount of pixels per inch of screen.
Vivo NEX 3 counts with a quite bigger memory capacity to store more games and applications than Galaxy M21, because although it has no external memory card slot, it also counts with 256 GB internal memory capacity. Galaxy M21 features improved battery duration than vivo NEX 3, because it has a 33% greater battery capacity.
Vivo NEX 3 shoots just a bit better photos and videos than Samsung Galaxy M21, and although they both have the same 30 frames per second video frame rate and the same video quality, the vivo NEX 3 also has a back camera with much more mega-pixels, a larger back-facing camera sensor taking better quality pictures and videos and a larger aperture to capture better captures and video in low light situations.
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