Let's compare each phone and tablet in the specs table.
| Zenfone 8 | Xperia 1 III | Xperia 5 III | Zenfone 8 Flip | Xperia Pro I | ROG Phone 5 Ultimate | |
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| Manufacturer | ASUS | Sony Mobile Communications | Sony Mobile Communications | ASUS | Sony Mobile Communications | ASUS |
| Release Date | ||||||
| Screen Size | 5.9 inch | 6.5 inch | 6.1 inch | 6.67 inch | 6.5 inch | 6.78 inch |
| Resolution | 1,080 x 2,400 | 1,644 x 3,840 | 1,080 x 2,520 | 1,080 x 2,400 | 1,640 x 3,840 | 1,080 x 2,448 |
| Display Details | AMOLED | OLED | OLED | AMOLED | OLED | AMOLED |
| Max Refresh Rate | 120 Hz | 120 Hz | 120 Hz | 90 Hz | 120 Hz | 144 Hz |
| Max Brightness | 1100 nits | 1000 nits | ||||
| Glass | ||||||
| Body Size | 68.5mm x 148mm x 8.9mm | 71mm x 165mm x 8.2mm | 68mm x 157mm x 8.2mm | 77.28mm x 165.04mm x 9.6mm | 72mm x 166mm x 8.9mm | 77mm x 173mm x 9.9mm |
| Weight | 169 g | 188 g | 168 g | 230 g | 211 g | 239 g |
| Processor | Qualcomm Snapdragon 888 octa-core | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 888 octa-core | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 888 Octa-core CPU 2.84GHz |
| OS | Android 11 | Android 11 | Android 11 | Android 11 | Android 11 | Android 11 |
| Main camera 1 | 64-megapixel(f/1.8) | 12-megapixel(f/1.7) | 12-megapixel(f/1.7) | 64-megapixel(f/1.8) | 12-megapixel(f/2) | 64-megapixel |
| Main camera 1 details | Sony IMX686 | Standard 24mm | Standard 24mm | Sony IMX686 | Standard 24mm | wide angle |
| Main camera 2 | 12-megapixel(f/2.2) | 12-megapixel(f/2.3) | 12-megapixel(f/2.3) | 12-megapixel(f/2.2) | 12-megapixel(f/2.4) | 13-megapixel |
| Main camera 2 details | Sony IMX363 (ultra wide angle + 4cm macro) | Telephoto 70mm(f/2.3),105mm(f/2.8) | Telephoto 70mm(f/2.3),105mm(f/2.8) | Sony IMX363 (ultra wide angle + 4cm macro) | standard 50mm | ultra-wide angle |
| Main camera 3 | 12-megapixel(f/2.2) | 12-megapixel(f/2.2) | 8-megapixel | 12-megapixel(f/2.2) | 5-megapixel | |
| Main camera 3 details | Ultra wide angle 16mm | Ultra wide angle 16mm | Telephoto 3X wide angle zoom (12X digital) | Ultra wide angle 16mm | macro | |
| 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) | 8-megapixel(f/2) | 24-megapixel | ||
| Sub camera 1 details | ||||||
| Sub camera 2 | ||||||
| Sub camera 2 details | ||||||
| Battery | 4,000 mAh | 4,500 mAh | 4,500 mAh | 5,000 mAh | 4,500 mAh | 6,000 mAh |
| Charge | ||||||
| Video playback time | ||||||
| RAM(GB) | 8G | 12G | 8G | 8G | 12G | 18G |
| RAM details | ||||||
| ROM(GB) | 128G | 256G | 128G | 128G | 512G | 512G |
| ROM details | ||||||
| Antutu | 715,000 ver8(estimated) | 761,000 ver9(estimated) | 761,000 ver9(estimated) | 725,000 ver8(estimated) | 761,000 ver9(estimated) | 810,000 ver9(estimated) |
| Water resistance | IPX5/IPX8 | IPX5/IPX8 | IPX5/IPX8 | - | IPX5/IPX8 | - |
| Dust resistance | IP6X | IP6X | IP6X | - | IP6X | - |
| SIM | 2 nanoSIM | 2 nanoSIM | 2 nanoSIM | 2 nanoSIM | 2 nanoSIM | dualSIM(nanoSIM+nanoSIM) |
| NFC | Felica | Felica | Felica | NFC-enabled | Felica | NFC-enabled |