Let's compare each phone and tablet in the specs table.
| Redmi Note 15 5G | BlackBerry KEY2 | |
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| Manufacturer | Xiaomi | BlackBerry |
| Release Date | ||
| Screen Size | 6.77 inch | 4.5 inch |
| Resolution | 1,080 x 2,392 | 1,080 x 1,620 |
| Display Details | AMOLED | |
| Max Refresh Rate | 120 Hz | |
| Max Brightness | 3200 nits | |
| Glass | ||
| Body Size | 75.42mm x 164mm x 7.35mm | 71.8mm x 151.4mm x 8.5mm |
| Weight | 178 g | 160 g |
| Processor | Qualcomm Snapdragon 6 Gen 3 | Qualcomm Snapdragon 660 octa-core |
| OS | Android 15 | Android 8.1 |
| Main camera 1 | 108-megapixel(f/1.7) | 12-megapixel(f/2) |
| Main camera 1 details | 1/1.67”, OIS | |
| Main camera 2 | 8-megapixel(f/2.2) | 12-megapixel(f/2) |
| Main camera 2 details | ultra-wide | |
| Main camera 3 | ||
| Main camera 3 details | ||
| Main camera 4 | ||
| Main camera 4 details | ||
| Main camera 5 | ||
| Main camera 5 details | ||
| Sub camera 1 | 20-megapixel(f/2.2) | 8-megapixel(f/2.2) |
| Sub camera 1 details | 1/4" | |
| Sub camera 2 | ||
| Sub camera 2 details | ||
| Battery | 5,520 mAh | 3,500 mAh |
| Charge | 45W, 18W reverse | |
| Video playback time | 21 hours | |
| RAM(GB) | 8G | 6G |
| RAM details | LPDDR4X | |
| ROM(GB) | 256G/512G | 64G |
| ROM details | UFS2.2 | |
| Antutu | 846,000 ver11 | 114,000 ver7 |
| Water resistance | IPX6 | - |
| Dust resistance | IP6X | - |
| SIM | nano SIM 1 +（nano SIM or microSD） | |
| NFC | NFC-enabled |