Each category highlights the most important differences between both devices, focusing on real-world performance and verified specifications.
General info
The general specifications cover design, software version, and launch details, helping understand the overall positioning and lifecycle of both devices in Samsung’s flagship lineup.
| Specification | Samsung Galaxy S25 Ultra | Samsung Galaxy S24 Ultra |
|---|
| Launch date | January 2025 | January 2024 (approx.) |
| Operating system | Android 15 | Android 14 (upgradable) |
| UI | One UI 7 | One UI 6 |
| Build | Titanium frame | Titanium frame |
| Stylus support | S Pen | S Pen |
| Software updates | 7 years | 7 years |
Performance and hardware
This section compares chipsets, RAM, and raw processing power, where the biggest generational gap between both devices is visible in synthetic benchmarks and real-world gaming performance.
| Specification | Samsung Galaxy S25 Ultra | Samsung Galaxy S24 Ultra |
|---|
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Gen 3 |
| GPU | Adreno 830 | Adreno 750 |
| RAM | 12GB, 16GB | 12GB |
| Storage | Up to 1TB | Up to 1TB |
| Architecture | 3 nm | 4 nm |
Display
Both phones feature Samsung’s top-tier AMOLED panels with minimal differences, mainly in brightness tuning and optimisation rather than hardware changes.
| Specification | Samsung Galaxy S25 Ultra | Samsung Galaxy S24 Ultra |
|---|
| Size | 6.9-inch | 6.8-inch |
| Type | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| Resolution | QHD+ | QHD+ |
| Refresh rate | 1–120Hz adaptive | 1–120Hz adaptive |
| Protection | Gorilla Glass Armour | Gorilla Glass Armour |
Camera
Camera hardware remains similar, but the S25 Ultra benefits from improved image processing and AI-based enhancements.
| Specification | Samsung Galaxy S25 Ultra | Samsung Galaxy S24 Ultra |
|---|
| Primary camera | 200MP + 50MP + 50MP + 10MP | 200MP + 12MP + 50MP + 10MP |
| Front camera | 12MP | 12MP |
| Zoom | 5x optical + digital | 5x optical + digital |
| Video | 8K recording | 8K recording |
Connectivity and network compatibility
Connectivity remains flagship-grade on both devices, with only minor efficiency improvements in the newer model.
| Specification | Samsung Galaxy S25 Ultra | Samsung Galaxy S24 Ultra |
|---|
| 5G support | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6E |
| Bluetooth | 5.4 | 5.3 |
| USB | USB-C 3.2 | USB-C 3.2 |
| NFC | Yes | Yes |
Battery
Battery capacity is similar, but efficiency improvements in the newer chipset provide better endurance in real-world use.
| Specification | Samsung Galaxy S25 Ultra | Samsung Galaxy S24 Ultra |
|---|
| Capacity | 5000 mAh | 5000 mAh |
| Charging | 45 W fast charging | 45 W fast charging |
| Wireless charging | Yes | Yes |
| Battery life | Slightly improved | Strong but lower efficiency |
