Compare phones
| Global Score | |
| 75.4 | 87.5 |
| Basic Information | |
| Blackberry | Xiaomi |
| -- | Android 12 |
| 2018-07-06 | 2022-06-23 |
| 5.96 x 2.83 x 0.33 inches | 6.43 x 2.99 x 0.30 inches |
| 5.34 ounces | 6.88 ounces |
| Black, Gray and Red | Moonlight Silver, Nebula Green and Night Black |
| Aluminum | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 4.5 inches | 6.7 inches |
| 1620 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 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 (7 nm) chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 585, 64-bit (Octa-Core 3200 MHz) processor |
| 6 GB RAM | 6 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 | 64.00 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 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.57 | 11.88 |
| 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 | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| 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 Poco F4 has a general score of 87.5, which is much better than BlackBerry KEY2's global score of 75.4. Xiaomi Poco F4 is a much newer and a little bit thinner cellphone than the BlackBerry KEY2, although it's also noticeably heavier. Xiaomi Poco F4 has a bit more powerful processing unit than BlackBerry KEY2. Both of them have the same number of cores and a 6 GB RAM.
The Xiaomi Poco F4 counts with a much better display than BlackBerry KEY2, because although it has a bit worse display density, it also counts with a really larger screen and a higher resolution of 1080 x 2400 pixels. The Xiaomi Poco F4 has a much better camera than BlackBerry KEY2, and although they both have the same 30 fps video frame rates, the same (4K) video resolution and a same size aperture, the Xiaomi Poco F4 also has a lot bigger sensor taking way higher quality photos and videos and a much more megapixels back-facing camera.
BlackBerry KEY2 features a lot bigger memory capacity to store more games and applications than Xiaomi Poco F4, and although they both have the same internal memory capacity, the BlackBerry KEY2 also has a slot for an SD memory card that holds up to 256 GB. The Xiaomi Poco F4 counts with better battery lifetime than BlackBerry KEY2, because it has a 29 percent greater battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.