Let's compare each phone and tablet in the specs table.
| Nothing Phone (4b) | OPPO Find X9 Ultra | Redmi Note 15 5G | Nothing Phone (4a) | Nothing Phone (3a) Lite | Natural AI Phone | |
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| Manufacturer | Nothing | OPPO | Xiaomi | Nothing | Nothing | Brain |
| Release Date | ||||||
| Screen Size | 6.77 inch | 6.82 inch | 6.77 inch | 6.78 inch | 6.77 inch | 6.77 inch |
| Resolution | 1,080 x 2,344 | 1,440 x 3,168 | 1,080 x 2,392 | 1,224 x 2,720 | 1,084 x 2,392 | 1,080 x 2,392 |
| Display Details | Super AMOLED | AMOLED | AMOLED | Flexible AMOLED | Flexible AMOLED | Flexible AMOLED |
| Max Refresh Rate | 120 Hz | 144 Hz | 120 Hz | 120 Hz | 120 Hz | 120 Hz |
| Max Brightness | 2000 nits | 3600 nits | 3200 nits | 4500 nits | 3000 nits | 3000 nits |
| Glass | Dragontrail Pro | Corning® Gorilla® Glass Victus® 2 | Corning® Gorilla® Glass 7i | |||
| Body Size | 78.2mm x 164.4mm x 8.6mm | 76.97mm x 163.16mm x 9.1mm | 75.42mm x 164mm x 7.35mm | 77.5mm x 163.9mm x 8.5mm | 78mm x 164mm x 8.3mm | 78mm x 164mm x 8.3mm |
| Weight | 210 g | 236 g | 178 g | 205 g | 199 g | 200 g |
| Processor | Qualcomm Snapdragon 6 Gen 4 | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 6 Gen 3 | Qualcomm Snapdragon 7s Gen 4 | MediaTek Dimensity 7300 Pro | Qualcomm Snapdragon 7s Gen 3 |
| OS | Android 16 | Android 16 | Android 15 | Android 16 | Android 15 | Android 15 |
| Main camera 1 | 50-megapixel(f/1.8) | 200-megapixel(f/1.5) | 108-megapixel(f/1.7) | 50-megapixel(f/1.88) | 50-megapixel(f/1.88) | 50-megapixel(f/1.88) |
| Main camera 1 details | 1/2.76”, OIS | 1/1.12", OIS, 24mm | 1/1.67”, OIS | 1/1.57”, OIS | 1/1.57” | Samsung, 1/1.57” sensor, OIS |
| Main camera 2 | 8-megapixel(f/2.2) | 50-megapixel(f/2) | 8-megapixel(f/2.2) | 8-megapixel(f/2.2) | 8-megapixel(f/2.2) | 8-megapixel(f/2.2) |
| Main camera 2 details | wide angle 120°, 1/4" | 1/1.95", ultra-wide angle 123°,14mm | ultra-wide | wide angle 120°, 1/4" | wide angle 119.5°, 1/4" | wide angle 120° |
| Main camera 3 | 200-megapixel(f/2.2) | 50-megapixel(f/2.88) | 2-megapixel(f/2.4) | 50-megapixel(f/2) | ||
| Main camera 3 details | optical zoom 3x, OIS, 70mm | 3.5x optical zoom, 1/2.75”, OIS | macro | 2x optical zoom, 1/2.75” | ||
| Main camera 4 | 50-megapixel(f/3.5) | |||||
| Main camera 4 details | optical zoom 10x, 1/2.75", OIS, 230mm | |||||
| Main camera 5 | 3-megapixel(f/2.4) | |||||
| Main camera 5 details | monochrome | |||||
| Sub camera 1 | 16-megapixel(f/2.4) | 50-megapixel(f/2.4) | 20-megapixel(f/2.2) | 32-megapixel(f/2.2) | 16-megapixel(f/2.45) | 32-megapixel(f/2.2) |
| Sub camera 1 details | 1/3", 81.8° | 1/4" | 1/3.44", 89° | 1/3" | 1/3.44" | |
| Sub camera 2 | ||||||
| Sub camera 2 details | ||||||
| Battery | 5,200 mAh | 7,050 mAh | 5,520 mAh | 5,080 mAh | 5,000 mAh | 5,000 mAh |
| Charge | 33W, reverse 7.5W | 100W SUPERVOOC / Wireless 50W AIRVOOC | 45W, 18W reverse | 50W, reverse 7.5W | 33W / Reverse 5W | |
| Video playback time | 21 hours | 21 hours | ||||
| RAM(GB) | 8G | 12G/16G | 8G | 8G/12G | 8G | 12G |
| RAM details | LPDDR4X | LPDDR5X | LPDDR4X | LPDDR4X | ||
| ROM(GB) | 128G/256G | 512G/1T | 256G/512G | 128G/256G | 128G/256G | 256G |
| ROM details | UFS2.2 | UFS 4.1 | UFS2.2 | UFS3.1 | ||
| Antutu | 898,000 ver11(estimated) | 4,028,000 ver11 | 846,000 ver11 | 1,001,000 ver11(estimated) | 702,000 ver10 | 1,021,000 ver11(estimated) |
| Water resistance | IPX4 | IPX9 | IPX6 | IPX4 | IPX4 | IPX4 |
| Dust resistance | IP6X | IP6X | IP6X | IP6X | IP5X | IP5X |
| SIM | 2 nanoSIM(eSIM) | dual SIM(nano SIM + nano SIM/eSIM) | nano SIM 1 +（nano SIM or microSD） | 2 nanoSIM | 2 nanoSIM/ nanoSIM + eSIM | nanoSIM/eSIM |
| NFC | NFC-enabled | NFC-enabled | NFC-enabled | Felica | Felica | Felica |