Let's compare each phone and tablet in the specs table.
| Rakuten BIG | BlackBerry KEY2 | |
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| Manufacturer | Rakuten Mobile | BlackBerry |
| Release Date | ||
| Screen Size | 6.9 inch | 4.5 inch |
| Resolution | 1,080 x 2,460 | 1,080 x 1,620 |
| Display Details | ||
| Max Refresh Rate | ||
| Max Brightness | ||
| Glass | ||
| Body Size | 80mm x 174mm x 9mm | 71.8mm x 151.4mm x 8.5mm |
| Weight | 227 g | 160 g |
| Processor | Qualcomm Snapdragon 765G オクタコア 2.4GHz + 2.2GHz + 1.8GHz | Qualcomm Snapdragon 660 オクタコア |
| OS | Android 10 | Android 8.1 |
| Main camera 1 | 64-megapixel | 12-megapixel(f/2) |
| Main camera 1 details | ||
| Main camera 2 | 8-megapixel | 12-megapixel(f/2) |
| Main camera 2 details | 超広角 | |
| Main camera 3 | 2-megapixel | |
| Main camera 3 details | マクロ | |
| Main camera 4 | 2-megapixel | |
| Main camera 4 details | 深度測定 | |
| Main camera 5 | ||
| Main camera 5 details | ||
| Sub camera 1 | 32-megapixel | 8-megapixel(f/2.2) |
| Sub camera 1 details | ||
| Sub camera 2 | ||
| Sub camera 2 details | ||
| Battery | 4,000 mAh | 3,500 mAh |
| Charge | ||
| Video playback time | ||
| RAM(GB) | 6G | 6G |
| RAM details | ||
| ROM(GB) | 128G | 64G |
| ROM details | ||
| Antutu | 300,000 ver8(estimated) | 114,000 ver7 |
| Water resistance | IPX8 | - |
| Dust resistance | IP6X | - |
| SIM | ||
| NFC |