Let's compare each phone and tablet in the specs table.
| Kantan Smartphone 4 | nubia S2R | |
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| Manufacturer | ZTE | ZTE |
| Release Date | ||
| Screen Size | 6.1 inch | 6.7 inch |
| Resolution | 720 x 1,560 | 1,080 x 2,400 |
| Display Details | TFT | |
| Max Refresh Rate | ||
| Max Brightness | ||
| Glass | ||
| Body Size | 72mm x 165mm x 9.1mm | 77mm x 167mm x 7.98mm |
| Weight | 177 g | 187 g |
| Processor | Qualcomm Snapdragon 4 Gen 2 2.2GHz+2.0GHz | UNISOC T8100 octa core 2.2GHz＋2.0GHz |
| OS | Android 14 | Android 15 |
| Main camera 1 | 50-megapixel | 50-megapixel(f/1.8) |
| Main camera 1 details | ||
| Main camera 2 | ||
| Main camera 2 details | ||
| Main camera 3 | ||
| Main camera 3 details | ||
| Main camera 4 | ||
| Main camera 4 details | ||
| Main camera 5 | ||
| Main camera 5 details | ||
| Sub camera 1 | 8-megapixel | 8-megapixel(f/2.1) |
| Sub camera 1 details | ||
| Sub camera 2 | ||
| Sub camera 2 details | ||
| Battery | 4,160 mAh | 5,100 mAh |
| Charge | 27W | |
| Video playback time | ||
| RAM(GB) | 4G | 4G |
| RAM details | ||
| ROM(GB) | 128G | 64G |
| ROM details | ||
| Antutu | 411,000 ver10 | 412,000 ver10(estimated) |
| Water resistance | IPX5IPX8 | IPX9 |
| Dust resistance | IP6X | IP6X |
| SIM | nanoSIM/eSIM | nanoSIM/eSIM |
| NFC | Felica | Felica |