Compare phones
| Global Score | |
| 84.1 | 75.8 |
| Basic Information | |
| Samsung | |
| Android 11, 10 | Android 9.0 Pie |
| 2020-03-23 | 2019-10-16 |
| 6.26 x 2.96 x 0.35 inches | 6.76 x 3.09 x 0.38 inches |
| 6.63 ounces | 7.58 ounces |
| Midnight blue and Raven black | Cyber shade |
| Plastic and Plastic | Aluminum |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 600.00 |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 385 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 855+ SM8150-AC chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 640 GPU |
| 9.27 | 9.81 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 13.3 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (15 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 3840 x 2160 (30 fps) (4K) slow motion video |
| 11.55 | 11.88 |
| 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 | |
| 6000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy M21 is much better than nubia Red Magic 3S, getting an 84.1 score against 75.8. These devices work with Android operating system, but the Samsung Galaxy M21 has 11 version while nubia Red Magic 3S has Android 9.0 Pie. The Samsung Galaxy M21 design is a little thinner and lighter than the nubia Red Magic 3S, even though both were only released 5 months apart.
Galaxy M21 has just a bit better looking screen than nubia Red Magic 3S, because although it has a little bit smaller screen, and they both have an equal resolution of 1080 x 2340px, the Galaxy M21 also counts with a little greater display pixel density. The nubia Red Magic 3S counts with a bit better performance than Galaxy M21, and although they both have 8 CPU cores, the nubia Red Magic 3S also has more RAM memory.
The nubia Red Magic 3S has a quite bigger memory for applications and games than Galaxy M21, because although it has no slot for an external memory card, it also counts with more internal storage capacity. The nubia Red Magic 3S captures a bit better pictures and videos than Samsung Galaxy M21, and although they both have a same resolution back camera and the same back-facing camera sensor size, the nubia Red Magic 3S also has a bigger aperture and a lot better 7680x4320 video quality.
Samsung Galaxy M21 counts with improved battery performance than nubia Red Magic 3S, because it has a 6000mAh battery capacity against 5000mAh.
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