Compare phones
| Global Score | |
| 75.8 | 77.7 |
| Basic Information | |
| Samsung | |
| Android 9.0 Pie | Android 10 |
| 2019-10-16 | 2020-06-19 |
| 6.76 x 3.09 x 0.38 inches | 6.44 x 2.96 x 0.35 inches |
| 7.58 ounces | 6.77 ounces |
| Cyber shade | Black, Blue, Red and White |
| Aluminum | -- |
| Scratch-Resistant Glass | -- |
| $ 600.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 385 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC chipset | Samsung Exynos 850 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Adreno 640 GPU | Mali-G76 GPU |
| 9.81 | 9.09 |
| 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 | |
| 48.00 MP + 16.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (15 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 3840 x 2160 (30 fps) (4K) slow motion video | -- |
| 11.88 | 10.78 |
| 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 | |
| 5000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| 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 |
Comparison review
The Galaxy A21s is slightly better than the nubia Red Magic 3S, getting a global score of 77.7 against 75.8. Even when the Galaxy A21s and nubia Red Magic 3S were released only a few months apart, the Galaxy A21s is a little bit thinner and somewhat lighter. These phones use Android operating system, but the Galaxy A21s has 10 version and nubia Red Magic 3S has Android 9.0 Pie.
The nubia Red Magic 3S has a bit superior CPU than Samsung Galaxy A21s, and although they both have 8 cores, the nubia Red Magic 3S also has more RAM memory. The nubia Red Magic 3S counts with a more vivid display than Samsung Galaxy A21s, because it has a much higher 1080 x 2340 resolution, more pixels per inch of display and a little bit bigger screen.
Nubia Red Magic 3S counts with a superior camera than Galaxy A21s, and although they both have a same resolution camera and a same size back-facing camera sensor, the nubia Red Magic 3S also has a larger aperture for better photography in low light situations and a way better video quality. Nubia Red Magic 3S has much more memory for games and applications than Samsung Galaxy A21s, because although it has no slot for SD memory cards, it also counts with 224 GB more internal memory capacity.
Galaxy A21s counts with a battery duration that is just as good as the nubia Red Magic 3S one.
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