Compare phones
| Global Score | |
| 75.4 | 85.3 |
| Basic Information | |
| Blackberry | Microsoft |
| -- | Android 11 |
| 2018-07-06 | 2021-09-20 |
| 5.96 x 2.83 x 0.33 inches | 5.72 x 7.26 x 0.22 inches |
| 5.34 ounces | 10.02 ounces |
| Black, Gray and Red | Glacier and Obsidian |
| Aluminum | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 540.00 |
| Display / Screen | |
| 4.5 inches | 8.3 inches |
| 1620 x 1080 pixels | 2688 x 1892 pixels |
| IPS LCD | AMOLED |
| 433 pixels per inch | 396 pixels per inch |
| -- | 800 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 888 SM8350 (5 nm) chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit (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 + 12.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.36 inches (1/2.8") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.57 | 10.01 |
| 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 | 4449mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| 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
Microsoft Surface Duo 2 is much better than the BlackBerry KEY2, getting a general score of 85.3 against 75.4. Microsoft Surface Duo 2's design is a lot newer and noticeably thinner than BlackBerry KEY2's, although it's extremely heavier. Microsoft Surface Duo 2 features a little faster CPU than BlackBerry KEY2, and although they both have a Octa-Core processor, the Microsoft Surface Duo 2 also has a greater amount of RAM memory.
The Microsoft Surface Duo 2 features a bit better looking screen than BlackBerry KEY2, because although it has a little worse display density, it also counts with a lot higher 1892 x 2688 resolution and a lot bigger screen. Microsoft Surface Duo 2 counts with a bit better camera than BlackBerry KEY2, and although they both have the same video quality and the same resolution back-facing camera, the Microsoft Surface Duo 2 also has a larger aperture and better 60 frames per second video frame rate.
The BlackBerry KEY2 features much more memory capacity for games and applications than Microsoft Surface Duo 2, and although they both have exactly the same internal memory, the BlackBerry KEY2 also has a slot for an external memory card that admits a maximum of 256 GB. Microsoft Surface Duo 2 counts with improved battery lifetime than BlackBerry KEY2, because it has 4449mAh of battery capacity.
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