Let's compare each phone and tablet in the specs table.
| Xperia 1 | Xperia 1 III | |
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| Manufacturer | Sony Mobile Communications | Sony Mobile Communications |
| Release Date | ||
| Screen Size | 6.5 inch | 6.5 inch |
| Resolution | 1,644 x 3,840 | 1,644 x 3,840 |
| Display Details | ||
| Max Refresh Rate | ||
| Max Brightness | ||
| Glass | ||
| Body Size | 72mm x 167mm x 8.2mm | 71mm x 165mm x 8.2mm |
| Weight | 178 g | 188 g |
| Processor | Qualcomm Snapdragon 855 （オクタコア）2.8GHz x1+2.4GHz x3+1.7GHz x4 | Qualcomm Snapdragon 888 |
| OS | Android 9 | Android 11 |
| Main camera 1 | 12-megapixel(f/1.6) | 12-megapixel(f/1.7) |
| Main camera 1 details | 標準 | 標準24mm |
| Main camera 2 | 12-megapixel(f/2.4) | 12-megapixel(f/2.3) |
| Main camera 2 details | 望遠 | 望遠70mm(f/2.3),105mm(f/2.8) |
| Main camera 3 | 12-megapixel(f/2.4) | 12-megapixel(f/2.2) |
| Main camera 3 details | 超広角 | 超広角16mm |
| Main camera 4 | ||
| Main camera 4 details | ||
| Main camera 5 | ||
| Main camera 5 details | ||
| Sub camera 1 | 8-megapixel(f/2) | 8-megapixel(f/2) |
| Sub camera 1 details | ||
| Sub camera 2 | ||
| Sub camera 2 details | ||
| Battery | 3,200 mAh | 4,500 mAh |
| Charge | ||
| Video playback time | ||
| RAM(GB) | 6G | 12G |
| RAM details | ||
| ROM(GB) | 64G | 256G |
| ROM details | ||
| Antutu | 332,000 ver7 | 635,000 ver8(estimated) |
| Water resistance | IPX5/IPX8 | IPX5/IPX8 |
| Dust resistance | IP6X | IP6X |
| SIM | ||
| NFC |