Let's compare each phone and tablet in the specs table.
| Rakuten Mini | Xperia Ace II | |
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| Manufacturer | Rakuten Mobile | Sony Mobile Communications |
| Release Date | ||
| Screen Size | 3.6 inch | 5.5 inch |
| Resolution | 720 x 1,280 | 720 x 1,496 |
| Display Details | ||
| Max Refresh Rate | ||
| Max Brightness | ||
| Glass | ||
| Body Size | 53.4mm x 106.2mm x 8.6mm | 69mm x 140mm x 8.9mm |
| Weight | 79 g | 159 g |
| Processor | Qualcomm Snapdragon 439 Octa-core 2GHz + 1.45GHz | MediaTek Helio P35 2.3GHz＋1.8GHz octa-core |
| OS | Android 9 | Android 11 |
| Main camera 1 | 16-megapixel(f/2) | 13-megapixel(f/2) |
| Main camera 1 details | ||
| Main camera 2 | 2-megapixel(f/2.4) | |
| Main camera 2 details | depth imaging | |
| Main camera 3 | ||
| Main camera 3 details | ||
| Main camera 4 | ||
| Main camera 4 details | ||
| Main camera 5 | ||
| Main camera 5 details | ||
| Sub camera 1 | 5-megapixel(f/2.2) | 8-megapixel(f/2) |
| Sub camera 1 details | ||
| Sub camera 2 | ||
| Sub camera 2 details | ||
| Battery | 1,250 mAh | 4,500 mAh |
| Charge | ||
| Video playback time | ||
| RAM(GB) | 3G | 4G |
| RAM details | ||
| ROM(GB) | 32G | 64G |
| ROM details | ||
| Antutu | 93,000 ver8 | 95,000 ver8(estimated) |
| Water resistance | IPX2 | IPX5/IPX8 |
| Dust resistance | IP5X | IP6X |
| SIM | ||
| NFC | Felica |