Let's compare each phone and tablet in the specs table.
| OPPO Reno15 A 5G | Rakuten BIG | |
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| Manufacturer | OPPO | Rakuten Mobile |
| Release Date | ||
| Screen Size | 6.6 inch | 6.9 inch |
| Resolution | 1,080 x 2,372 | 1,080 x 2,460 |
| Display Details | AMOLED | |
| Max Refresh Rate | 120 Hz | |
| Max Brightness | 1400 nits | |
| Glass | Corning® Gorilla® Glass | |
| Body Size | 75mm x 158mm x 8.3mm | 80mm x 174mm x 9mm |
| Weight | 195 g | 227 g |
| Processor | Qualcomm Snapdragon 6 Gen 1 octa core 2.2GHz×4＋1.8GHz×4 | Qualcomm Snapdragon 765G Octa-core 2.4GHz + 2.2GHz + 1.8GHz |
| OS | Android 16 | Android 10 |
| Main camera 1 | 50-megapixel(f/1.8) | 64-megapixel |
| Main camera 1 details | OIS | |
| Main camera 2 | 8-megapixel(f/2.2) | 8-megapixel |
| Main camera 2 details | ultra-wide angle 112° | ultra-wide-angle |
| Main camera 3 | 2-megapixel(f/2.4) | 2-megapixel |
| Main camera 3 details | macro | macro |
| Main camera 4 | 2-megapixel | |
| Main camera 4 details | depth charge | |
| Main camera 5 | ||
| Main camera 5 details | ||
| Sub camera 1 | 50-megapixel(f/2) | 32-megapixel |
| Sub camera 1 details | ||
| Sub camera 2 | ||
| Sub camera 2 details | ||
| Battery | 7,000 mAh | 4,000 mAh |
| Charge | 80W SUPERVOOC Flash Charge / 55W PPS | |
| Video playback time | ||
| RAM(GB) | 8G/12G | 6G |
| RAM details | LPDDR4X | |
| ROM(GB) | 128G/256G | 128G |
| ROM details | UFS 3.1 | |
| Antutu | 652,000 ver11(estimated) | 300,000 ver8(estimated) |
| Water resistance | IPX9 | IPX8 |
| Dust resistance | IP6X | IP6X |
| SIM | SIM1(nanoSIM)＋SIM2(nanoSIM/eSIM) / microSD | |
| NFC | Felica |