Let's compare each phone and tablet in the specs table.
| iPhone | iPhone 4 | iPhone 3GS | iPhone 3G | iPhone 4s | SHARP AQUOS R2 compact | |
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| Manufacturer | Apple | Apple | Apple | Apple | Apple | SHARP |
| Release Date | ||||||
| Screen Size | 3.5 inch | 3.5 inch | 3.5 inch | 3.5 inch | 3.5 inch | 5.2 inch |
| Resolution | 320 x 480 | 640 x 960 | 320 x 480 | 320 x 480 | 640 x 960 | 1,080 x 2,280 |
| Display Details | ||||||
| Max Refresh Rate | ||||||
| Max Brightness | ||||||
| Body Size | 61mm x 115mm x 11.6mm | 58.6mm x 115.2mm x 9.3mm | 62.1mm x 115.5mm x 12.3mm | 62.1mm x 115.5mm x 12.3mm | 58.6mm x 115.2mm x 9.3mm | 64mm x 131mm x 9.3mm |
| Weight | 135 g | 137 g | 135 g | 133 g | 140 g | 135 g |
| Processor | Samsung 32-bit RISC ARM 1176JZ(F)-S | Apple A4 | Samsung S5PC100 | Samsung 32-bit RISC ARM 1176JZ(F)-S | Apple A5 | Qualcomm Snapdragon 845 2.6GHz (quad-core) + 1.7GHz (quad-core) octa-core |
| OS | iOS 1 | iOS 4 | iOS 3 | iOS 2 | iOS 5 | Android 9 |
| Main camera 1 | 2-megapixel | 5-megapixel(f/2.8) | 3-megapixel | 2-megapixel | 8-megapixel(f/2.4) | 23-megapixel(f/1.9) |
| Main camera 1 details | ||||||
| Main camera 2 | ||||||
| Main camera 2 details | ||||||
| Main camera 3 | ||||||
| Main camera 3 details | ||||||
| Main camera 4 | ||||||
| Main camera 4 details | ||||||
| Main camera 5 | ||||||
| Main camera 5 details | ||||||
| Sub camera 1 | 0-megapixel | 0-megapixel | 8-megapixel(f/2.2) | |||
| Sub camera 1 details | ||||||
| Sub camera 2 | ||||||
| Sub camera 2 details | ||||||
| Battery | 1,400 mAh | 1,420 mAh | 1,219 mAh | 1,150 mAh | 1,420 mAh | 2,500 mAh |
| Video playback time | ||||||
| RAM(GB) | 0.128 G | 0.5 G | 0.256 G | 0.128 G | 0.5 G | 4 G |
| ROM(GB) | 8 G | 8 G | 8 G | 8 G | 16 G | 64 G |
| Antutu | 270,000 ver7(estimated) | |||||
| Water resistance | - | - | - | - | - | IPX5/IPX8 |
| Dust resistance | - | - | - | - | - | IP6X |
| SIM | ||||||
| NFC |