Compare phones
| Global Score | |
| 75.4 | 91.8 |
| Basic Information | |
| Blackberry | Samsung |
| -- | Android 11 |
| 2018-07-06 | 2021-01-29 |
| 5.96 x 2.83 x 0.33 inches | 5.97 x 2.80 x 0.31 inches |
| 5.34 ounces | 6.03 ounces |
| Black, Gray and Red | Gray, Phantom pink, Violet and White |
| Aluminum | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 4.5 inches | 6.2 inches |
| 1620 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 433 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 512 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 13.18 | 10.1 |
| Camera | |
| 12.00 MP + 8.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.57 | 10.78 |
| 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 |
| Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3500mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.44 | 5.92 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy S21 is way better than the BlackBerry KEY2, getting a global score of 91.8 against 75.4. Galaxy S21's design is noticeably newer and just a little bit thinner than the BlackBerry KEY2's, although it's heavier. The Samsung Galaxy S21 features a little bit better hardware performance than BlackBerry KEY2, and although they both have a Octa-Core processor, the Samsung Galaxy S21 also has more RAM.
Galaxy S21 features a brighter display than BlackBerry KEY2, because although it has a little worse pixel density, it also counts with a better resolution of 1080 x 2400px and a lot larger display. BlackBerry KEY2 features a superior storage for games and applications than Samsung Galaxy S21, and although they both have the same internal storage capacity, the BlackBerry KEY2 also has a SD card slot that allows up to 256 GB.
The Samsung Galaxy S21 counts with a better camera than BlackBerry KEY2, and although they both have a back camera with a 12 mega pixels and a F1.8 aperture, the Samsung Galaxy S21 also has a way higher 7680x4320 video quality and a much larger camera sensor which gives a lot higher photo and video quality.
Samsung Galaxy S21 has a bit better battery life than BlackBerry KEY2, because it has a 4000mAh battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.