Compare phones
| Global Score | |
| 75.4 | 84.3 |
| Basic Information | |
| Blackberry | Xiaomi |
| -- | Android 14 |
| 2018-07-06 | 2024-07-19 |
| 5.96 x 2.83 x 0.33 inches | 6.28 x 5.64 x 0.18 inches |
| 5.34 ounces | 7.97 ounces |
| Black, Gray and Red | Black, Blue and White |
| Aluminum | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 4.5 inches | 8 inches |
| 1620 x 1080 pixels | 2488 x 2224 pixels |
| IPS LCD | AMOLED |
| 433 pixels per inch | 417 pixels per inch |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 10 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 512 GPU | Adreno 750 GPU |
| 9.27 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 13.18 | 13.3 |
| Camera | |
| 12.00 MP + 8.00 MP | 50.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.67 inches (1/1.49") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.57 | 12.54 |
| 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 | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 3500mAh Li - Ion Battery | 5100mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.44 | 6.88 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| 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 | -- |
Comparison review
Xiaomi Mi Mix Fold 4 is much better than BlackBerry KEY2, getting an 84.3 score against 75.4. Xiaomi Mi Mix Fold 4's construction is extremely newer and noticeably thinner, but incredibly heavier than BlackBerry KEY2. The BlackBerry KEY2 features a much better performing CPU than Xiaomi Mi Mix Fold 4, although it has a lower amount of RAM memory, they both have a Octa-Core processor.
Xiaomi Mi Mix Fold 4 counts with a lot better screen than BlackBerry KEY2, because although it has a bit lower count of pixels per inch of screen, it also counts with a way better 2224 x 2488 pixels resolution and a way bigger display. The Xiaomi Mi Mix Fold 4 shoots much better photos and videos than BlackBerry KEY2, because it has a lot bigger sensor providing a way higher image quality, a way more mega-pixels back-facing camera, a way better 7680x4320 video quality and a larger camera aperture to capture better images and videos in low light environments.
Xiaomi Mi Mix Fold 4 counts with a bit more memory capacity to store more apps and games than BlackBerry KEY2, because although it has no slot for an SD memory card, it also counts with more internal memory. Xiaomi Mi Mix Fold 4 has a superior battery lifetime than BlackBerry KEY2, because it has a 46 percent more battery size.
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