Samsung Galaxy S25 Ultra 2025: Complete & Comprehensive Specifications & Analysis
Detailed and comprehensive review of the "Samsung Galaxy S25 Ultra" smartphone presented by Samsung. From the Samsung S series there's the Samsung Galaxy S25 and Samsung Galaxy S25 Plus and now explore the design, display, advanced camera system, Snapdragon 8 Gen 3 processor, enhanced Galaxy AI features, and battery. In-depth analysis by reviewsdn for the Samsung S25 Ultra.

At the forefront of technological innovation, the Samsung Galaxy S25 Ultra stands out as a flagship model embodying the pinnacle of engineering and design in the smartphone world for 2025. Following its official launch earlier this year, the Samsung S25 Ultra has proven its ability to exceed expectations by combining superior hardware with advanced AI capabilities.
Table of Contents

Key Specifications of Samsung Galaxy S25 Ultra
Display
6.9-inch Dynamic AMOLED 2X
QHD+ resolution (3200×1440)
1-120Hz adaptive refresh rate
S-Pen support
Performance (Processor, RAM & Storage)
Snapdragon 8 Gen 3 (4nm)
12GB RAM LPDDR5X
512GB/1TB storage UFS 4.0
Front & Rear Cameras
Quad system:
• 200MP Wide-angle
• 50MP Telephoto
• 50MP Ultra-wide
• 12MP Front
Battery & Charging
5000mAh capacity
45W fast charging
15W wireless charging
4.5W reverse charging
Connectivity
5G (Sub-6GHz & mmWave)
Wi-Fi 7
Bluetooth 5.4
NFC for payments
UWB for device control
Durability
IP68 rating
Gorilla Glass Victus 3
Titanium frame
Dust/water resistance
All specifications based on Samsung's official website and practical testing
1. Design and Build Quality of Samsung Galaxy S25 Ultra

The Galaxy S25 Ultra represents a qualitative leap in materials and overall design. The device features a titanium frame, significantly enhancing durability while maintaining an ideal weight (approximately 218g). Both front and back are protected by the latest generation of protective glass - Corning Gorilla Glass Armor 2.
Specification | Value |
---|---|
Dimensions | 162.8 × 77.6 × 8.2 mm |
Weight | 218 grams |
Water/Dust Resistance | IP68 (1.5 meters for 30 minutes) |
S Pen | Built-in with improved responsiveness |
2. Samsung S25 Ultra Display Specifications

Specification | Value |
---|---|
Type | Dynamic LTPO AMOLED 2X |
Size | 6.9 inches |
Resolution | QHD+ (3120 × 1440 pixels) |
Refresh Rate | 1-120Hz (adaptive) |
Brightness | Up to 2600 nits |
The Galaxy S25 Ultra's display is one of its standout features, designed to deliver an unparalleled visual experience. It introduces the new ProScaler feature that upscales low-resolution content to match the high display resolution.
3. Internal Performance: Snapdragon 8 Elite Next-Gen Power
Processor
Snapdragon 8 Gen 3
3nm
Memory
12/16GB LPDDR5X
Storage
256GB-1TB UFS 4.0
Cooling
Enhanced vapor chamber
The Galaxy S25 Ultra is powered by the flagship Qualcomm Snapdragon 8 Gen 3 for Galaxy (SM8750-AB) processor, manufactured using 3nm technology, a customized version exclusively for Samsung's flagship devices.
4. Camera System: Professional Photography with AI

Quad Camera System
- Front: 12.0MP (Wide-angle)
- Main: 200.0MP (Main, f/1.7)
- Ultra-wide: 50.0MP (Ultra-wide, f/1.9)
- Telephoto: 50.0MP / 10.0MP
Optical Zoom at 3x and 5x, Optical Quality Zoom at 2x and 10x, and Digital Zoom up to 100x.
Advanced Video Capabilities
- 8K @ 30fps with HDR10+
- 4K @ 120fps for slow motion
- LOG recording for professionals
- Audio Eraser for noise reduction
5. Battery and Charging: Sustainable Power and Improved Efficiency
The Galaxy S25 Ultra features a large 5000mAh battery with significant power efficiency improvements thanks to the Snapdragon 8 Elite processor and Android 15.
6. Software and Galaxy AI Features
Circle to Search
Quick search by drawing on screen
Live Translate
Real-time call translation
Generative Edit
Advanced AI photo editing
Now Brief
Context-aware smart information
The Samsung Galaxy S25 Ultra runs on Android 15 with One UI 7. Samsung commits to providing updates until 2032 for both OS and security.
7. Connectivity, Sensors and Ports: Integrated System
- Networks: 5G (Sub6), Wi-Fi 7
- Bluetooth: Version 5.4
- Navigation: GPS, GLONASS, BDS
- Sensors: Under-display fingerprint, gyroscope, barometer
- UWB (for smart device control) andNFC for payments
Galaxy Ring sensor to support wearables like Galaxy Buds3 Pro andGalaxy Watch7.
Pros and Cons of Samsung Galaxy S25 Ultra
Pros
- Durable titanium design
- Leading display with variable refresh rate
- Exceptional performance with Snapdragon 8 Gen 3
- Advanced AI-powered camera system
Cons
- High price
- Large size may not suit everyone
The Samsung Galaxy S25 Ultra offers an unparalleled package of technological innovations. This device isn't just a smartphone, but a complete platform for productivity, creativity and entertainment, designed to meet the needs of the most demanding users.
Samsung Galaxy S25 Ultra vs S24 Ultra Comparison: What's New?
Feature | Galaxy S25 Ultra | Galaxy S24 Ultra |
---|---|---|
Design | Titanium frame + Gorilla Glass Armor 2 | Aluminum frame + Gorilla Glass Victus 2 |
Display | 6.9" Dynamic AMOLED 2X 2600 nits peak brightness ProScaler technology |
6.8" Dynamic AMOLED 2X 2500 nits peak brightness |
Performance | Snapdragon 8 Gen 3 (3nm) Up to 16GB RAM |
Snapdragon 8 Gen 2 (4nm) Up to 12GB RAM |
Cameras | 200MP main 5x/50MP Periscope AI improvements |
200MP main 10x/10MP Periscope |
Battery | 5000mAh (better efficiency in S25 thanks to processor) | |
Software | Android 15 + One UI 7 Updates until 2032 |
Android 14 + One UI 6 Upgradeable |
Price (Launch) | Varies by country | Varies by country |
Conclusion:
The S25 Ultra offers noticeable improvements in durability, performance, camera quality, but the S24 Ultra remains a smart choice for those looking to save money with excellent performance. Full comparison from Samsung.
Related External Links
Is the Samsung Galaxy S25 Ultra Worth the Upgrade?

For Current S24 Ultra Users:
- ✅ Upgrade is worthwhile if you want:
- 25% faster performance (Snapdragon 8 Elite processor)
- Major camera improvements (especially 5x Periscope at 50MP)
- More durable design (titanium + Gorilla Glass Armor 2)
- ❌ May not be necessary if:
- You're satisfied with current S24 Ultra performance
- You don't need the new AI features
- The price difference (~$100 increase) affects your budget
For Users Coming From Older Devices (S23 or earlier):
Upgrade is highly recommended because:
- Major battery life improvement (better efficiency thanks to 3nm processor)
- Longer update support
- Enhanced display experience (higher brightness + ProScaler technology)
Expert Verdict:
"The S25 Ultra offers improvements worth upgrading for tech enthusiasts or photography lovers, but it's not a revolutionary leap that makes it essential for average S24 Ultra users."
Conclusion: About Samsung Galaxy S25 Ultra
The Samsung Galaxy S25 Ultra sets new standards for smartphones in 2025 with a unique combination of power, performance and innovation. Despite its high price, it delivers an excellent experience for users seeking the best.
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