Compare phones
| Global Score | |
| 75.4 | 77.7 |
| Basic Information | |
| Blackberry | Samsung |
| -- | Android 10 |
| 2018-07-06 | 2020-06-19 |
| 5.96 x 2.83 x 0.33 inches | 6.44 x 2.96 x 0.35 inches |
| 5.34 ounces | 6.77 ounces |
| Black, Gray and Red | Black, Blue, Red and White |
| Aluminum | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 4.5 inches | 6.5 inches |
| 1620 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 433 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Samsung Exynos 850 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 512 GPU | Mali-G76 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 13.18 | 9.84 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.57 | 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 |
| Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3500mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy A21s is a little bit better than the BlackBerry KEY2, having a 77.7 score against 75.4. The Galaxy A21s design is newer than BlackBerry KEY2's, although it's incredibly heavier and a bit thicker. The BlackBerry KEY2 features just a little better processing power than Galaxy A21s, and although they both have the same number of cores, the BlackBerry KEY2 also has more RAM memory.
The BlackBerry KEY2 features a more vivid display than Galaxy A21s, because although it has a way smaller screen, it also counts with a better 1080 x 1620 resolution and a lot higher pixels density. Samsung Galaxy A21s shoots much better photographs and videos than BlackBerry KEY2, because although it has a smaller aperture, and they both have the same 1920x1080 (Full HD) video definition and the same video frame rate, the Samsung Galaxy A21s also counts with a lot larger sensor shooting way better quality photos and a lot more MP back facing camera.
BlackBerry KEY2 features a lot bigger memory for applications and games than Samsung Galaxy A21s, because although it has an external memory card slot that supports up to 256 GB against 512 GB, it also counts with more internal storage. The Galaxy A21s has a much longer battery duration than BlackBerry KEY2, because it has a 43% more battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.