Compare phones
| Global Score | |
| 84.1 | 77.2 |
| Basic Information | |
| Samsung | Nokia |
| Android 11, 10 | Android 11 |
| 2020-03-23 | 2021-05-01 |
| 6.26 x 2.96 x 0.35 inches | 6.65 x 3.14 x 0.36 inches |
| 6.63 ounces | 7.76 ounces |
| Midnight blue and Raven black | Midnight Sun and Nordic Blue |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 1080 x 2400 pixels |
| Super AMOLED | -- |
| 403 pixels per inch | 393 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 480 5G SM4350 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 460, 64-bit, 8 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 619 GPU |
| 9.27 | 9.18 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 48.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | -- |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | -- |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 11.55 | 8.8 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4470mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | -- |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M21 is a bit better than the Nokia X20, with an 84.1 score against 77.2. Despite of the fact that Galaxy M21 is older than the Nokia X20, it's construction is somewhat lighter and just a little thinner. Both phones in this review work with the same Android 11 OS (operating system). Galaxy M21 counts with a slightly better looking screen than Nokia X20, because although it has a bit smaller display and a quite lower resolution of 1080 x 2340 pixels, it also counts with a just a little better screen pixel density.
Galaxy M21 counts with a bit superior processing unit than Nokia X20, although it has a smaller amount of RAM, they both have 8 cpu cores. The Galaxy M21 captures way better pictures and videos than Nokia X20, although it has a camera with a way worse 48 MP resolution. The Nokia X20 has a much bigger memory for games and applications than Samsung Galaxy M21, and although they both have a slot for external memory cards that holds a maximum of 512 GB, the Nokia X20 also has 64 GB more internal storage.
Samsung Galaxy M21 counts with greater battery life than Nokia X20, because it has a 34% bigger battery size.
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