Let's compare each phone and tablet in the specs table.
| OPPO Find X9 | Zenfone 4 Selfie | |
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| Manufacturer | OPPO | ASUS |
| Release Date | ||
| Screen Size | 6.59 inch | 5.5 inch |
| Resolution | 1,256 x 2,760 | 720 x 1,280 |
| Display Details | AMOLED | |
| Max Refresh Rate | 120 Hz | |
| Max Brightness | 3600 nits | |
| Glass | Corning® Gorilla® Glass 7i | |
| Body Size | 73.93mm x 156.98mm x 7.99mm | 75.9mm x 155.6mm x 7.8mm |
| Weight | 203 g | 144 g |
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 430 octa-core |
| OS | Android 16 | Android 7.1.1 |
| Main camera 1 | 50-megapixel(f/1.6) | 16-megapixel |
| Main camera 1 details | OIS, 24mm | |
| Main camera 2 | 50-megapixel(f/2) | |
| Main camera 2 details | ultra-wide angle 120°,15mm | |
| Main camera 3 | 50-megapixel(f/2.6) | |
| Main camera 3 details | optical zoom 3x, OIS, 73mm | |
| Main camera 4 | 2-megapixel(f/2.4) | |
| Main camera 4 details | monochrome | |
| Main camera 5 | ||
| Main camera 5 details | ||
| Sub camera 1 | 32-megapixel(f/2.4) | 20-megapixel |
| Sub camera 1 details | ||
| Sub camera 2 | 8-megapixel | |
| Sub camera 2 details | ||
| Battery | 7,025 mAh | 3,000 mAh |
| Charge | 80W SUPERVOOC / Wireless 50W AIRVOOC | |
| Video playback time | ||
| RAM(GB) | 12G/16G | 4G |
| RAM details | LPDDR5X | |
| ROM(GB) | 256G/512G | 64G |
| ROM details | UFS 4.1 | |
| Antutu | 3,278,000 ver11 | 36,000 ver6 |
| Water resistance | IPX9 | - |
| Dust resistance | IP6X | - |
| SIM | dual SIM(nano SIM + nano SIM/eSIM) | |
| NFC | Felica |