Compare phones
| Global Score | |
| 75.4 | 88.3 |
| Basic Information | |
| Blackberry | Xiaomi |
| -- | Android 11 |
| 2018-07-06 | 2021-05-06 |
| 5.96 x 2.83 x 0.33 inches | 6.45 x 3.01 x 0.41 inches |
| 5.34 ounces | 7.41 ounces |
| Black, Gray and Red | Mirror Black and Pale Grey |
| Aluminum | Metal and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 499.00 |
| Display / Screen | |
| 4.5 inches | 6.7 inches |
| 1620 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | -- |
| 433 pixels per inch | 393 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 9.1 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 870 SM8250-AC chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 512 GPU | Adreno 650 GPU |
| 9.27 | 9.81 |
| 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 | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 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 | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.57 | 11.99 |
| 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) and HSDPA |
| Dual SIM | Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 3500mAh Li - Ion Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 6.32 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Xiaomi Black Shark 4 has a general score of 88.3, which is much better than the BlackBerry KEY2's global score of 75.4. The Xiaomi Black Shark 4 body is noticeably newer, but notably heavier and thicker than BlackBerry KEY2. Xiaomi Black Shark 4 has a bit more powerful processing unit than BlackBerry KEY2, and although they both have the same number of cores, the Xiaomi Black Shark 4 also has a greater amount of RAM.
The Xiaomi Black Shark 4 counts with a sharper screen than BlackBerry KEY2, because although it has a just a bit less pixels per inch in the screen, it also counts with a really larger display and a better resolution of 1080 x 2400. BlackBerry KEY2 counts with much more storage for applications, games, photos and videos than Xiaomi Black Shark 4, and although they both have exactly the same 128 GB internal storage, the BlackBerry KEY2 also has a SD memory card expansion slot that holds a maximum of 256 GB.
Xiaomi Black Shark 4 counts with longer battery lifetime than BlackBerry KEY2, because it has a 29 percent larger battery capacity. Xiaomi Black Shark 4 counts with a very superior camera than BlackBerry KEY2, and although they both have the same (4K) video definition and the same aperture, the Xiaomi Black Shark 4 also has a much bigger back camera sensor which offers a much higher image and video quality, a back camera with a much better 48 mega pixels resolution and higher video frame rate.
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