Let's compare each phone and tablet in the specs table.
| OPPO Find X9 | Xiaomi 15 Ultra | |
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| Manufacturer | OPPO | Xiaomi |
| Release Date | ||
| Screen Size | 6.59 inch | 6.73 inch |
| Resolution | 1,256 x 2,760 | 1,440 x 3,200 |
| Display Details | AMOLED | AMOLED |
| Max Refresh Rate | 120 Hz | 120 Hz |
| Max Brightness | 3600 nits | 3200 nits |
| Glass | Corning® Gorilla® Glass 7i | Xiaomi Shield Glass 2.0 |
| Body Size | 73.93mm x 156.98mm x 7.99mm | 75.3mm x 161.3mm x 9.35mm |
| Weight | 203 g | 226 g |
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Elite |
| OS | Android 16 | Android 15 |
| Main camera 1 | 50-megapixel(f/1.6) | 50-megapixel(f/1.63) |
| Main camera 1 details | OIS, 24mm | LYT-900, 1", OIS, 23mm |
| Main camera 2 | 50-megapixel(f/2) | 50-megapixel(f/2.2) |
| Main camera 2 details | ultra-wide angle 120°,15mm | ultra wide angle 115°, 14mm, 5cm macro |
| Main camera 3 | 50-megapixel(f/2.6) | 50-megapixel(f/1.8) |
| Main camera 3 details | optical zoom 3x, OIS, 73mm | 3x zoom, OIS, IMX858, 70mm, 10cm macro |
| Main camera 4 | 2-megapixel(f/2.4) | 200-megapixel(f/2.6) |
| Main camera 4 details | monochrome | 4.3x zoom, OIS, Samsung HP9, 100mm |
| Main camera 5 | ||
| Main camera 5 details | ||
| Sub camera 1 | 32-megapixel(f/2.4) | 32-megapixel(f/2) |
| Sub camera 1 details | ||
| Sub camera 2 | ||
| Sub camera 2 details | ||
| Battery | 7,025 mAh | 5,410 mAh |
| Charge | 80W SUPERVOOC / Wireless 50W AIRVOOC | 90W HyperCharge, 80W wireless HyperCharge |
| Video playback time | 25 hours | |
| RAM(GB) | 12G/16G | 16G |
| RAM details | LPDDR5X | |
| ROM(GB) | 256G/512G | 512G/1T |
| ROM details | UFS 4.1 | |
| Antutu | 3,278,000 ver11 | 2,709,000 ver10(estimated) |
| Water resistance | IPX9 | IPX8 |
| Dust resistance | IP6X | IP6X |
| SIM | dual SIM(nano SIM + nano SIM/eSIM) | Dual SIM (nano SIM + nano SIM or nano SIM + eSIM, eSIM + eSIM) |
| NFC | Felica | NFC-enabled |