Let's compare each phone and tablet in the specs table.
| Pixel 3a | Pixel 3a XL | OPPO R17 Pro | SHARP AQUOS R9 | arrows Be4 | Galaxy S21 5G | |
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| Manufacturer | OPPO | SHARP | FCNT | SAMSUNG | ||
| Release Date | ||||||
| Screen Size | 5.6 inch | 6 inch | 6.4 inch | 6.5 inch | 5.6 inch | 6.2 inch |
| Resolution | 1,080 x 2,220 | 1,080 x 2,160 | 1,080 x 2,340 | 1,080 x 2,340 | 1,080 x 2,220 | 1,080 x 2,400 |
| Display Details | OLED | OLED | Pro IGZO OLED | |||
| Max Refresh Rate | 240 Hz | |||||
| Max Brightness | 2000 nits | |||||
| Body Size | 70.1mm x 151.3mm x 8.2mm | 76.1mm x 160.1mm x 8.2mm | 74.6mm x 157.6mm x 7.9mm | 75mm x 156mm x 8.9mm | 70mm x 147mm x 8.9mm | 71.2mm x 151.7mm x 7.9mm |
| Weight | 147 g | 167 g | 183 g | 195 g | 144 g | 171 g |
| Processor | Qualcomm Snapdragon 670 2.0 GHz + 1.7 GHz, 64-bit octa-core | Qualcomm Snapdragon 670 2.0 GHz + 1.7 GHz, 64-bit octa-core | Qualcomm Snapdragon 710 | Qualcomm Snapdragon 7+ Gen 3 2.8GHz＋2.6GHz＋1.9 GHz octa core | Qualcomm Snapdragon 450 1.8GHz octa-core | Qualcomm Snapdragon 888 2.8GHz×1+2.4GHz×3 + 1.8GHz×4 |
| OS | Android 9 | Android 9 | Android 8.1 | Android 14 | Android 10.0 | Android 11 |
| Main camera 1 | 12-megapixel(f/1.8) | 12-megapixel(f/1.8) | 12-megapixel(f/1.5) | 50-megapixel(f/1.9) | 13-megapixel(f/1.9) | 12-megapixel(f/1.8) |
| Main camera 1 details | Pixel size 1.4μm | Pixel size 1.4μm | Switch to f/2.4 depending on the scene | OIS, 1/1.55", HEKTOR , 23mm | 1/1.7 inch wide angle | |
| Main camera 2 | 20-megapixel | 50-megapixel(f/2.2) | 12-megapixel(f/2.2) | |||
| Main camera 2 details | For background blur | 13mm | 1/2.5-inch Ultra wide angle | |||
| Main camera 3 | 64-megapixel(f/2) | |||||
| Main camera 3 details | 1/1.7-inch telephoto | |||||
| Main camera 4 | ||||||
| Main camera 4 details | ||||||
| Main camera 5 | ||||||
| Main camera 5 details | ||||||
| Sub camera 1 | 8-megapixel(f/2) | 8-megapixel(f/2) | 25-megapixel | 50-megapixel(f/2.2) | 8-megapixel(f/2) | 10-megapixel(f/2.2) |
| Sub camera 1 details | 画素サイズ1.12μm | 画素サイズ1.12μm | 1/3.2-inch wide angle | |||
| Sub camera 2 | ||||||
| Sub camera 2 details | ||||||
| Battery | 3,000 mAh | 3,700 mAh | 3,700 mAh | 5,000 mAh | 2,780 mAh | 4,000 mAh |
| Video playback time | ||||||
| RAM(GB) | 4 G | 4 G | 6 G | 8 G | 3 G | 8 G |
| ROM(GB) | 64 G | 64 G | 128 G | 128 G | 32 G | 256 G |
| Antutu | 153,000 ver7 | 153,000 ver7 | 155,000 ver7 | 1,248,000 ver10 | 73,000 ver7(estimated) | 725,000 ver8(estimated) |
| Water resistance | IPX2 | IPX2 | - | IPX5/IPX8 | IPX5/IPX8 | IPX5/IPX8 |
| Dust resistance | IP5X | IP5X | - | IP6X | IP6X | IP6X |
| SIM | nanoSIM | nanoSIM | DSDV nanoSIM/eSIM | |||
| NFC | Felica | Felica | Felica |