Let's compare each phone and tablet in the specs table.
| iPhone 18 Pro Max | iPhone Duo | iPhone 18 Pro | |
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| Manufacturer | Apple | Apple | Apple |
| Release Date | |||
| Screen Size | 6.86 inch | 7.6 inch | 6.27 inch |
| Resolution | 1,206 x 2,622 | 2,670 x 1,878 | 1,206 x 2,622 |
| Display Details | Super Retina XDR OLED | OLED | Super Retina XDR OLED |
| Max Refresh Rate | 120 Hz | 120 Hz | 120 Hz |
| Max Brightness | 3000 nits | 3000 nits | 3000 nits |
| Glass | |||
| Body Size | 78mm x 163.4mm x 8.75mm | 164.6mm x 117.8mm x 5.2mm | 71.9mm x 150mm x 8.75mm |
| Weight | 249 g | 254 g | 211 g |
| Processor | Apple A20 Pro | Apple A20 Pro | Apple A20 Pro |
| OS | iOS 27 | iOS 27 | iOS 27 |
| Main camera 1 | 48-megapixel(f/1.48) | 48-megapixel(f/1.6) | 48-megapixel(f/1.48) |
| Main camera 1 details | Variable aperture (ƒ/1.48–ƒ/4.0) | Variable aperture (ƒ/1.48–ƒ/4.0) | |
| Main camera 2 | 48-megapixel(f/2.2) | 48-megapixel(f/2.2) | 48-megapixel(f/2.2) |
| Main camera 2 details | 120° Ultra Wide Angle | 120° | 120° Ultra Wide Angle |
| Main camera 3 | 48-megapixel(f/2.8) | 48-megapixel(f/2.8) | |
| Main camera 3 details | 4x optical zoom, 12MP 8x also available | 4x optical zoom, 12MP 8x also available | |
| Main camera 4 | |||
| Main camera 4 details | |||
| Main camera 5 | |||
| Main camera 5 details | |||
| Sub camera 1 | 18-megapixel(f/1.9) | 12-megapixel(f/2.2) | 18-megapixel(f/1.9) |
| Sub camera 1 details | |||
| Sub camera 2 | 12-megapixel(f/1.8) | ||
| Sub camera 2 details | cover: under display | ||
| Battery | |||
| Charge | wired 60W/wireless 35W | wired 60W/wireless 35W | wired 60W/wireless 35W |
| Video playback time | 40 hours | 31 hours | 33 hours |
| RAM(GB) | |||
| RAM details | |||
| ROM(GB) | 256G/512G/1T/2T | 256G/512G/1T/2T | 256G/512G/1T/2T |
| ROM details | |||
| Antutu | 3,013,000 ver11(estimated) | 3,013,000 ver11(estimated) | 3,013,000 ver11(estimated) |
| Water resistance | IPX8 | IPX8 | IPX8 |
| Dust resistance | IP6X | IP6X | IP6X |
| SIM | dual eSIM | dual eSIM | dual eSIM |
| NFC | Felica | Felica | Felica |