Realme 15 5G vs Vivo S1 Prime comparison
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| key specs |
| Display | 6.80-inch | 6.38-inch |
| Front Camera | 50-megapixel | 16-megapixel |
| Rear Camera | 50-megapixel + 8-megapixel | 48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel |
| RAM | 8GB, 12GB | 8GB |
| Storage | 128GB, 256GB | 128GB |
| Battery Capacity | 7000mAh | 4500mAh |
| OS | Android 15 | Android 9 Pie |
| Resolution | 1280x2800 pixels | 1080x2340 pixels |
| Processor | - | Qualcomm Snapdragon 665 |
| general |
| Brand | Realme | Vivo |
| Model | 15 5G | S1 Prime |
| Release date | July 24, 2025 | August 13, 2020 |
| AI Enabled | Yes | - |
| Launched in India | Yes | No |
| Form factor | Touchscreen | Touchscreen |
| Dimensions (mm) | 162.27 x 76.16 x 7.66 | 159.25 x 75.19 x 8.68 |
| Weight (g) | 187.00 | 190.20 |
| IP rating | IP69 | - |
| Battery capacity (mAh) | 7000 | 4500 |
| Removable battery | No | No |
| Fast charging | 80W Fast Charging | Proprietary |
| Colours | Flowing Silver, Silk Pink, Velvet Green | Jade Black, Nebula Blue |
| Body type | - | Plastic |
| Wireless charging | - | No |
| display |
| Refresh Rate | 144 Hz | - |
| Resolution Standard | 1.5K | - |
| Screen size (inches) | 6.80 | 6.38 |
| Touchscreen | Yes | Yes |
| Resolution | 1280x2800 pixels | 1080x2340 pixels |
| Protection type | Gorilla Glass 7i | - |
| hardware |
| Processor make | MediaTek Dimensity 7300+ | Qualcomm Snapdragon 665 |
| RAM | 8GB, 12GB | 8GB |
| Internal storage | 128GB, 256GB | 128GB |
| Processor | - | octa-core |
| camera |
| Rear camera | 50-megapixel + 8-megapixel | 48-megapixel (f/1.8) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4) |
| No. of Rear Cameras | 2 | - |
| Rear flash | Yes | Yes |
| Front camera | 50-megapixel | 16-megapixel (f/2.0) |
| No. of Front Cameras | 1 | - |
| Lens Type (Second Rear Camera) | Ultra Wide-Angle | - |
| Rear autofocus | - | Yes |
| software |
| Operating system | Android 15 | Android 9 Pie |
| Skin | Realme UI 6 | Funtouch OS 9.2 |
| connectivity |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Bluetooth | Yes, v 5.40 | Yes, v 5.00 |
| USB Type-C | Yes | Yes |
| Headphones | Type-C | - |
| Number of SIMs | 2 | 2 |
| Active 4G on both SIM cards | Yes | - |
| Wi-Fi standards supported | - | 802.11 b/g/n |
| USB OTG | - | Yes |
| sensors |
| In-Display Fingerprint Sensor | Yes | Yes |
| Compass/ Magnetometer | Yes | - |
| Proximity sensor | Yes | - |
| Accelerometer | Yes | - |
| Ambient light sensor | Yes | - |
| Gyroscope | Yes | - |
| Face unlock | - | Yes |
| Fingerprint sensor | - | Yes |
| sim 1 |
| SIM Type | - | Nano-SIM |
| GSM/CDMA | - | GSM |
| 3G | - | Yes |
| 4G/ LTE | - | Yes |
| sim 2 |
| SIM Type | - | Nano-SIM |
| GSM/CDMA | - | GSM |
| 3G | - | Yes |
| 4G/ LTE | - | Yes |