Let's compare each phone and tablet in the specs table.
| Galaxy S26 Ultra | Rakuten BIG | |
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| Manufacturer | SAMSUNG | Rakuten Mobile |
| Release Date | ||
| Screen Size | 6.9 inch | 6.9 inch |
| Resolution | 1,440 x 3,120 | 1,080 x 2,460 |
| Display Details | Dynamic AMOLED 2X | |
| Max Refresh Rate | 120 Hz | |
| Max Brightness | 2600 nits | |
| Glass | Corning® Gorilla® Armor 2／Corning® Gorilla® Glass Victus® 2 | |
| Body Size | 78.1mm x 163.6mm x 7.9mm | 80mm x 174mm x 9mm |
| Weight | 214 g | 227 g |
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 for Galaxy | Qualcomm Snapdragon 765G Octa-core 2.4GHz + 2.2GHz + 1.8GHz |
| OS | Android 16 | Android 10 |
| Main camera 1 | 200-megapixel(f/1.4) | 64-megapixel |
| Main camera 1 details | wide angle | |
| Main camera 2 | 50-megapixel(f/1.9) | 8-megapixel |
| Main camera 2 details | Ultra wide angle | ultra-wide-angle |
| Main camera 3 | 10-megapixel(f/2.4) | 2-megapixel |
| Main camera 3 details | 3x telephoto | macro |
| Main camera 4 | 50-megapixel(f/2.9) | 2-megapixel |
| Main camera 4 details | 5x telephoto | depth charge |
| Main camera 5 | ||
| Main camera 5 details | ||
| Sub camera 1 | 12-megapixel(f/2.2) | 32-megapixel |
| Sub camera 1 details | wide angle | |
| Sub camera 2 | ||
| Sub camera 2 details | ||
| Battery | 5,000 mAh | 4,000 mAh |
| Charge | ||
| Video playback time | 31 hours | |
| RAM(GB) | 12G/16G | 6G |
| RAM details | ||
| ROM(GB) | 256G/512G/1T | 128G |
| ROM details | ||
| Antutu | 3,702,000 ver11(estimated) | 300,000 ver8(estimated) |
| Water resistance | IPX5/IPX8 | IPX8 |
| Dust resistance | IP6X | IP6X |
| SIM | SIM 1 + eSIM / eSIM + eSIM | |
| NFC | Felica |