Let's compare each phone and tablet in the specs table.
| iPhone 18 Pro | iPhone 16 Pro | Galaxy S21 5G | iPhone 18 Pro Max | iPhone 17 | iPhone 17 Pro | |
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| Manufacturer | Apple | Apple | SAMSUNG | Apple | Apple | Apple |
| Release Date | ||||||
| Screen Size | 6.27 inch | 6.27 inch | 6.2 inch | 6.86 inch | 6.27 inch | 6.27 inch |
| Resolution | 1,206 x 2,622 | 1,206 x 2,622 | 1,080 x 2,400 | 1,320 x 2,868 | 1,206 x 2,622 | 1,206 x 2,622 |
| Display Details | Super Retina XDR OLED | Super Retina XDR OLED | Super Retina XDR OLED | Super Retina XDR OLED | Super Retina XDR OLED | |
| Max Refresh Rate | 120 Hz | 120 Hz | 120 Hz | 120 Hz | 120 Hz | |
| Max Brightness | 3000 nits | 2000 nits | 3000 nits | 3000 nits | 3000 nits | |
| Glass | ||||||
| Body Size | 71.9mm x 150mm x 8.75mm | 71.5mm x 149.6mm x 8.25mm | 71.2mm x 151.7mm x 7.9mm | 78mm x 163.4mm x 8.75mm | 71.5mm x 149.6mm x 7.95mm | 71.9mm x 150mm x 8.75mm |
| Weight | 211 g | 199 g | 171 g | 249 g | 177 g | 206 g |
| Processor | Apple A20 Pro | Apple A18 Pro | Qualcomm Snapdragon 888 2.8GHz×1+2.4GHz×3 + 1.8GHz×4 | Apple A20 Pro | Apple A19 | Apple A19 Pro |
| OS | iOS 27 | iOS 18 | Android 11 | iOS 27 | iOS 26 | iOS 26 |
| Main camera 1 | 48-megapixel(f/1.48) | 48-megapixel(f/1.78) | 12-megapixel(f/1.8) | 48-megapixel(f/1.48) | 48-megapixel(f/1.6) | 48-megapixel(f/1.78) |
| Main camera 1 details | Variable aperture (ƒ/1.48–ƒ/4.0) | 12MP 2x telephoto also available | 1/1.7 inch wide angle | Variable aperture (ƒ/1.48–ƒ/4.0) | 12MP 2x telephoto also available | 12MP 2x telephoto also available |
| Main camera 2 | 48-megapixel(f/2.2) | 48-megapixel(f/2.2) | 12-megapixel(f/2.2) | 48-megapixel(f/2.2) | 48-megapixel(f/2.2) | 48-megapixel(f/2.2) |
| Main camera 2 details | 120° Ultra Wide Angle | 120° Ultra Wide Angle | 1/2.5-inch Ultra wide angle | 120° Ultra Wide Angle | 120° Ultra Wide Angle | 120° Ultra Wide Angle |
| Main camera 3 | 48-megapixel(f/2.8) | 12-megapixel(f/2.8) | 64-megapixel(f/2) | 48-megapixel(f/2.8) | 48-megapixel(f/2.8) | |
| Main camera 3 details | 4x optical zoom, 12MP 8x also available | zoom x5 | 1/1.7-inch telephoto | 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/1.9) | 10-megapixel(f/2.2) | 18-megapixel(f/1.9) | 18-megapixel(f/1.9) | 18-megapixel(f/1.9) |
| Sub camera 1 details | 1/3.2-inch wide angle | |||||
| Sub camera 2 | ||||||
| Sub camera 2 details | ||||||
| Battery | 3,582 mAh | 4,000 mAh | 3,692 mAh | 4,252 mAh | ||
| Charge | wired 60W/wireless 35W | wired 60W/wireless 35W | wired 40W | wired 40W | ||
| Video playback time | 33 hours | 23 hours | 40 hours | 30 hours | 33 hours | |
| RAM(GB) | 8G | 8G | 8G | 12G | ||
| RAM details | ||||||
| ROM(GB) | 256G/512G/1T/2T | 128G | 256G | 256G/512G/1T/2T | 256G/512G | 256G/512G/1T |
| ROM details | ||||||
| Antutu | 3,323,000 ver11 | 1,735,000 ver10 | 725,000 ver8(estimated) | 3,346,000 ver11 | 2,195,000 ver10 | 2,283,000 ver10 |
| Water resistance | IPX8 | IPX8 | IPX5/IPX8 | IPX8 | IPX8 | IPX8 |
| Dust resistance | IP6X | IP6X | IP6X | IP6X | IP6X | IP6X |
| SIM | dual eSIM | dual SIM（nano-SIM,eSIM）dual eSIM | dual eSIM | dual eSIM | dual eSIM | |
| NFC | Felica | Felica | Felica | Felica | Felica |