Let's compare each phone and tablet in the specs table.
| Galaxy A20 | iPhone XS | Galaxy A21 | AQUOS sense3 | Galaxy S10 | iPhone 11 Pro | |
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| Manufacturer | SAMSUNG | Apple | SAMSUNG | SHARP | SAMSUNG | Apple |
| Release Date | ||||||
| Screen Size | 5.8 inch | 5.8 inch | 5.8 inch | 5.5 inch | 6.1 inch | 5.8 inch |
| Resolution | 720 x 1,560 | 1,125 x 2,436 | 720 x 1,560 | 1,080 x 2,160 | 1,440 x 3,040 | 1,125 x 2,436 |
| Display Details | Super Retina HD OLED | Super Retina XDR OLED | ||||
| Max Refresh Rate | 60 Hz | 60 Hz | ||||
| Max Brightness | 625 nits | 1200 nits | ||||
| Body Size | 71mm x 150mm x 8.1mm | 70.9mm x 143.6mm x 7.7mm | 71mm x 150mm x 8.4mm | 70mm x 147mm x 8.9mm | 70mm x 150mm x 8.5mm | 71.4mm x 144mm x 8.1mm |
| Weight | 151 g | 177 g | 159 g | 167 g | 158 g | 188 g |
| Processor | Samsung Exynos 7884B 1.6GHz x 2 + 1.3GHz x 6 | Apple A12 Bionic | Samsung Exynos 7884B 1.6GHz x 2 + 1.3GHz x 6 | Qualcomm Snapdragon 630 2.2GHz (Quad) + 1.8GHz (Quad) | Qualcomm Snapdragon 855 2.8GHz+1.7GHz (Octa-core) | Apple A13 Bionic |
| OS | Android 9 | iOS 12 | Android 10 | Android 9 | Android 9 | iOS 13 |
| Main camera 1 | 8-megapixel(f/1.9) | 12-megapixel(f/1.8) | 13-megapixel(f/1.9) | 12-megapixel(f/2) | 12-megapixel(f/1.5) | 12-megapixel(f/1.8) |
| Main camera 1 details | wide-angle | F value 2.4 automatic switching | wide-angle | |||
| Main camera 2 | 12-megapixel(f/2.4) | 12-megapixel(f/2.4) | 16-megapixel(f/2.2) | 12-megapixel(f/2.4) | ||
| Main camera 2 details | seeing at a distance | 121° wide angle | Ultra-wide angle 123°. | Ultra wide angle 120°. | ||
| Main camera 3 | 12-megapixel(f/2.4) | 12-megapixel(f/2) | ||||
| Main camera 3 details | seeing at a distance | seeing at a distance | ||||
| Main camera 4 | ||||||
| Main camera 4 details | ||||||
| Main camera 5 | ||||||
| Main camera 5 details | ||||||
| Sub camera 1 | 5-megapixel(f/2) | 7-megapixel(f/2.2) | 5-megapixel(f/2) | 8-megapixel(f/2.2) | 10-megapixel(f/1.9) | 12-megapixel(f/2.2) |
| Sub camera 1 details | ||||||
| Sub camera 2 | ||||||
| Sub camera 2 details | ||||||
| Battery | 3,000 mAh | 2,659 mAh | 3,600 mAh | 4,000 mAh | 3,300 mAh | 3,046 mAh |
| Video playback time | 14 hours | 18 hours | ||||
| RAM(GB) | 3 G | 4 G | 3 G | 4 G | 8 G | 4 G |
| ROM(GB) | 32 G | 64 G | 64 G | 64 G | 128 G | 64 G |
| Antutu | 91,000 ver7 | 363,000 ver7 | 91,000 ver7 | 110,000 ver8 | 332,000 ver7 | 519,000 ver8 |
| Water resistance | IPX5/IPX8 | IPX8 | IPX5/IPX8 | IPX5/IPX8 | IPX5/IPX8 | IPX8 |
| Dust resistance | IP6X | IP6X | IP6X | IP6X | IP6X | IP6X |
| SIM | dual SIM（nano-SIM,eSIM） | dual SIM（nano-SIM,eSIM） | ||||
| NFC | Felica | Felica |