realme 15 5G vs realme P4 5G: specs comparison
How the realme 15 5G (2025 phone) and the realme P4 5G (2025 phone) differ, worked out only from the values on each maker’s official spec page. No prices, ratings or benchmark scores.
Key differences
- realme P4 5G uses a newer chip from the same family: Dimensity 7400 Ultra vs Dimensity 7300+.
- realme 15 5G offers more RAM: up to 12 GB vs up to 8 GB.
- realme 15 5G has the higher-resolution front camera: 50 MP vs 16 MP.
In common: both list a 7,000 mAh battery, a display of up to 144 Hz, 80 W wired charging and a 2025 launch.
Who should pick which
- Pick the realme 15 5G if you want more RAM (up to 12 GB) and a 50 MP selfie camera.
- Pick the realme P4 5G if you want the newer Dimensity 7400 Ultra.
Full specifications side by side
| Spec | realme 15 5G | realme P4 5G |
|---|---|---|
| Launched | 2025 | 2025 |
| Display | 17.27cm (6.8 inch), up to 144Hz refresh rate, 1800nit (HBM), 6500nit peak brightness | 17.2cm (6.77 inch), up to 144Hz, 1600nit (HBM), 4500nit peak brightness |
| Processor | Dimensity 7300+ 5G, 4nm, octa-core up to 2.5GHz | Dimensity 7400 Ultra 5G, 4nm octa-core up to 2.6GHz |
| RAM | 8GB / 12GB LPDDR4X | 6GB / 8GB LPDDR4X |
| Storage | 128GB / 256GB UFS 3.1 | 128GB / 256GB UFS 3.1 |
| Rear camera | 50MP Sony IMX882 AI main + 8MP wide angle (f/2.2) | 50MP main (f/1.8) + 8MP wide angle (f/2.2) |
| Front camera | 50MP (f/2.4) | 16MP (f/2.4) |
| Battery | 7000mAh (typ), 6830mAh (min) | 7000mAh (typ), 6830mAh (min) |
| Charging | 80W Ultra Charge, 80W adapter included, USB Type-C | 80W Ultra Charge, 80W adapter included |
| Operating system | realme UI 6.0 based on Android 15 | realme UI 6.0 based on Android 15 |
| Weight | About 187g (Pink, Green), 189g (Silver) | About 185g |
| Dimensions | 162.27 x 76.16 x 7.66-7.96 mm | 163.34 x 75.88 x 7.58 mm |
| 5G | Yes (5G NR: n1/n3/n5/n8/n28B/n40/n41/n77/n78) | Yes (5G NR: n1/n3/n5/n8/n28B/n40/n41/n77/n78) |
| SIM | Dual SIM (2 nano-SIM) | Dual SIM (2 nano-SIM) |
| Source | Official specs · checked 2026-10-28 | Official specs · checked 2026-10-28 |
Questions
What is the difference between realme 15 5G and realme P4 5G?
realme P4 5G uses a newer chip from the same family: Dimensity 7400 Ultra vs Dimensity 7300+. realme 15 5G offers more RAM: up to 12 GB vs up to 8 GB. realme 15 5G has the higher-resolution front camera: 50 MP vs 16 MP.
Every difference above is calculated from the two spec tables, which are copied from realme’s official pages. A spec that only one page states is not compared. Variants and options differ by region, so confirm on the official page before you buy. Spotted a difference? Report a correction.