Let's compare each phone and tablet in the specs table.
| Xiaomi 15 Ultra | ROG Phone 5 Ultimate | |
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| Manufacturer | Xiaomi | ASUS |
| Release Date | ||
| Screen Size | 6.73 inch | 6.78 inch |
| Resolution | 1,440 x 3,200 | 1,080 x 2,448 |
| Display Details | AMOLED | AMOLED |
| Max Refresh Rate | 120 Hz | 144 Hz |
| Max Brightness | 3200 nits | |
| Glass | Xiaomi Shield Glass 2.0 | |
| Body Size | 75.3mm x 161.3mm x 9.35mm | 77mm x 173mm x 9.9mm |
| Weight | 226 g | 239 g |
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 888 Octa-core CPU 2.84GHz |
| OS | Android 15 | Android 11 |
| Main camera 1 | 50-megapixel(f/1.63) | 64-megapixel |
| Main camera 1 details | LYT-900, 1", OIS, 23mm | wide angle |
| Main camera 2 | 50-megapixel(f/2.2) | 13-megapixel |
| Main camera 2 details | ultra wide angle 115°, 14mm, 5cm macro | ultra-wide angle |
| Main camera 3 | 50-megapixel(f/1.8) | 5-megapixel |
| Main camera 3 details | 3x zoom, OIS, IMX858, 70mm, 10cm macro | macro |
| Main camera 4 | 200-megapixel(f/2.6) | |
| Main camera 4 details | 4.3x zoom, OIS, Samsung HP9, 100mm | |
| Main camera 5 | ||
| Main camera 5 details | ||
| Sub camera 1 | 32-megapixel(f/2) | 24-megapixel |
| Sub camera 1 details | ||
| Sub camera 2 | ||
| Sub camera 2 details | ||
| Battery | 5,410 mAh | 6,000 mAh |
| Charge | 90W HyperCharge, 80W wireless HyperCharge | |
| Video playback time | 25 hours | |
| RAM(GB) | 16G | 18G |
| RAM details | ||
| ROM(GB) | 512G/1T | 512G |
| ROM details | ||
| Antutu | 2,709,000 ver10(estimated) | 810,000 ver9(estimated) |
| Water resistance | IPX8 | - |
| Dust resistance | IP6X | - |
| SIM | Dual SIM (nano SIM + nano SIM or nano SIM + eSIM, eSIM + eSIM) | dualSIM(nanoSIM+nanoSIM) |
| NFC | NFC-enabled | NFC-enabled |