Let's compare each phone and tablet in the specs table.
| Redmi 15 5G | OPPO A3 5G | |
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| Manufacturer | Xiaomi | OPPO |
| Release Date | ||
| Screen Size | 6.9 inch | 6.7 inch |
| Resolution | 1,080 x 2,340 | 720 x 1,604 |
| Display Details | LCD | |
| Max Refresh Rate | 144 Hz | 120 Hz |
| Max Brightness | 850 nits | 1000 nits |
| Glass | ||
| Body Size | 80.45mm x 169.48mm x 8.4mm | 76mm x 166mm x 7.7mm |
| Weight | 217 g | 187 g |
| Processor | Qualcomm Snapdragon 6s Gen 3 octa core | MediaTek Dimensity 6300 2.4GHz×2＋2.0GHz×6 |
| OS | Android 15 | Android 14 |
| Main camera 1 | 50-megapixel(f/1.8) | 50-megapixel(f/1.8) |
| Main camera 1 details | ||
| Main camera 2 | 2-megapixel(f/2.4) | |
| Main camera 2 details | depth | |
| 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(f/2) | 8-megapixel(f/2) |
| Sub camera 1 details | ||
| Sub camera 2 | ||
| Sub camera 2 details | ||
| Battery | 7,000 mAh | 5,100 mAh |
| Charge | 33W / 17W reverse | |
| Video playback time | 25 hours | 16 hours |
| RAM(GB) | 4G/8G | 4G |
| RAM details | LPDDR4X | |
| ROM(GB) | 128G/256G | 128G |
| ROM details | UFS2.2 | |
| Antutu | 459,000 ver10 | 428,000 ver10 |
| Water resistance | IPX4 | IPX4 |
| Dust resistance | IP6X | IP5X |
| SIM | nanoSIM + eSIM | nanoSIM＋eSIM SIM1（nanoSIM）＋SIM2（nanoSIM）/microSD |
| NFC | Felica | Felica |