Let's compare each phone and tablet in the specs table.
| Zenfone 9 | Zenfone 8 | |
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| Manufacturer | ASUS | ASUS |
| Release Date | ||
| Screen Size | 5.9 inch | 5.9 inch |
| Resolution | 1,080 x 2,400 | 1,080 x 2,400 |
| Display Details | AMOLED | AMOLED |
| Max Refresh Rate | 120 Hz | 120 Hz |
| Max Brightness | 1100 nits | 1100 nits |
| Glass | ||
| Body Size | 68.1mm x 146.5mm x 9.1mm | 68.5mm x 148mm x 8.9mm |
| Weight | 169 g | 169 g |
| Processor | Qualcomm Snapdragon 8+ Gen1 | Qualcomm Snapdragon 888 octa-core |
| OS | Android 12 | Android 11 |
| Main camera 1 | 50-megapixel(f/1.9) | 64-megapixel(f/1.8) |
| Main camera 1 details | Sony IMX766 | Sony IMX686 |
| Main camera 2 | 12-megapixel(f/2.2) | 12-megapixel(f/2.2) |
| Main camera 2 details | Sony IMX363 (ultra wide angle 113°+ macro 4cm) | Sony IMX363 (ultra wide angle + 4cm macro) |
| Main camera 3 | ||
| Main camera 3 details | ||
| Main camera 4 | ||
| Main camera 4 details | ||
| Main camera 5 | ||
| Main camera 5 details | ||
| Sub camera 1 | 12-megapixel(f/2.45) | |
| Sub camera 1 details | Sony IMX663 | |
| Sub camera 2 | ||
| Sub camera 2 details | ||
| Battery | 4,300 mAh | 4,000 mAh |
| Charge | ||
| Video playback time | ||
| RAM(GB) | 8G | 8G |
| RAM details | ||
| ROM(GB) | 128G | 128G |
| ROM details | ||
| Antutu | 923,000 ver9(estimated) | 715,000 ver8(estimated) |
| Water resistance | IPX5/IPX8 | IPX5/IPX8 |
| Dust resistance | IP6X | IP6X |
| SIM | 2 nanoSIM | 2 nanoSIM |
| NFC | Felica | Felica |