Compare phones
| Global Score | |
| 75.4 | 79 |
| Basic Information | |
| Blackberry | Xiaomi |
| -- | Android 11, 10 |
| 2018-07-06 | 2020-04-07 |
| 5.96 x 2.83 x 0.33 inches | 6.53 x 3.02 x 0.35 inches |
| 5.34 ounces | 7.37 ounces |
| Black, Gray and Red | Aurora blue, Glacier white and Interstellar grey |
| Aluminum | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 4.5 inches | 6.7 inches |
| 1620 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | IPS LCD |
| 433 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 512 GPU | Adreno 618 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 13.18 | 11.74 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 16.00 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 (960 fps) (HD) slow motion video |
| 9.57 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3500mAh Li - Ion Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| 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
Xiaomi Redmi Note 9S has a score of 79, which is just a bit better than BlackBerry KEY2's score of 75.4. The Xiaomi Redmi Note 9S design is newer, but just a little thicker and noticeably heavier than the BlackBerry KEY2. BlackBerry KEY2 features a little sharper display than Xiaomi Redmi Note 9S, because although it has a bit lower 1080 x 1620px resolution and a way smaller display, it also counts with a just a bit higher pixels number in each inch in the screen.
Xiaomi Redmi Note 9S's processor is very similar to BlackBerry KEY2's CPU, and although the Xiaomi Redmi Note 9S has less RAM memory, they both have the same number of cores. The Xiaomi Redmi Note 9S takes much clearer photos and videos than BlackBerry KEY2, and although they both have the same 3840x2160 (4K) video resolution, the same video frame rates and a F1.8 diafragm aperture, the Xiaomi Redmi Note 9S also has a lot bigger back-facing camera sensor and a camera with a way better resolution.
The BlackBerry KEY2 counts with a quite bigger memory capacity to store more games and applications than Xiaomi Redmi Note 9S, because although it has a slot for an SD memory card that admits a maximum of 256 GB against 512 GB, it also counts with 128 GB internal storage. The Xiaomi Redmi Note 9S features a way better battery performance than BlackBerry KEY2, because it has a 5020mAh battery size.
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