Compare phones
| Global Score | |
| 69.7 | 76.1 |
| Basic Information | |
| Samsung | |
| Android 9.0 Pie | Android 10 |
| 2019-01-31 | 2020-06-29 |
| 6.23 x 2.95 x 0.39 inches | 6.61 x 3.02 x 0.32 inches |
| 6.81 ounces | 6.81 ounces |
| 16 777 216 | Black |
| Aluminum | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 449.00 | $ 194.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 2160 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 402 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Mediatek Helio P35 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 630 GPU | PowerVR GE8320 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 16.00 MP + 8.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.38 inches (1/2.6") 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 |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 10.01 | 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 | |
| 3800mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.76 | 5.92 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A21 has a global score of 76.1, which is slightly better than the nubia Red Magic Mars's global score of 69.7. Both of these devices work with Android OS, but the Samsung Galaxy A21 has the older 10 version and nubia Red Magic Mars has Android 9.0 Pie version. The Samsung Galaxy A21 is a thinner cellphone than nubia Red Magic Mars, but both of them have equal weights.
The nubia Red Magic Mars features a brighter display than Galaxy A21, because although it has a little smaller display, it also counts with a higher screen pixel density and a way better 1080 x 2160 resolution. The nubia Red Magic Mars features just a little better performance than Samsung Galaxy A21, and although they both have 8 CPU cores, the nubia Red Magic Mars also has a higher amount of RAM.
Nubia Red Magic Mars features a bit more memory for games and applications than Galaxy A21, because although it has no external memory card slot, it also counts with more internal memory capacity. The Galaxy A21 features a little longer battery duration than nubia Red Magic Mars, because it has 4000mAh of battery capacity.
The nubia Red Magic Mars captures a little bit better photographs and videos than Galaxy A21, and although they both have a 16 MP camera and the same diafragm aperture, the nubia Red Magic Mars also has a way higher 3840x2160 (4K) video quality and a bigger back-facing camera sensor which offers a better photo and video quality.
In addition to being the best phone in our comparison, the Samsung Galaxy A21 is also a bargain compared to the other ones.
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