Sign in with GoogleLet's compare each phone and tablet in the specs table.
| Galaxy S21 Ultra 5G | Redmi Note 9S | |
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| Manufacturer | SAMSUNG | Xiaomi |
| Release Date | ||
| Screen Size | 6.8 inch | 6.67 inch |
| 1,440 x 3,200 | 1,080 x 2,400 | |
| Body Size | 76mm x 165mm x 8.9mm | 76.68mm x 165.75mm x 8.8mm |
| Weight | 228 g | 209 g |
| Processor | Qualcomm Snapdragon 888 2.8GHz×1+2.4GHz×3 + 1.8GHz×4 | Qualcomm Snapdragon 720G Octa-core up to 2.3GHz |
| OS | Android 11 | Android 10 |
| Main camera | 108-megapixel(1/1.3 inch wide angle)(f/1.8) + 12-megapixel(1/2.5-inch Ultra wide angle)(f/2.2) + 10-megapixel(1/3.2-inch, 3x telephoto)(f/2.4) + 10-megapixel(1/3.2-inch, 10x telephoto)(f/4.9) | 48-megapixel(f/1.79) + 8-megapixel(119° Ultra Wide Angle)(f/2.2) + 5-megapixel(Macro (2cm-10cm))(f/2.4) + 2-megapixel(For depth measurement)(f/2.4) |
| Sub camera | 40-megapixel(f/2.2) | 16-megapixel(f/2.48) |
| Battery | 5,000 mAh | 5,020 mAh |
| Video playback time | ||
| RAM(GB) | 12 G | 4 G |
| ROM(GB) | 256 G | 64 G |
| Antutu | 725,000 ver8(estimated) | 255,000 ver8(estimated) |
| Water resistance | IPX5/IPX8 | - |
| Dust resistance | IP6X | - |