Samsung Galaxy S25 Ultra Review (2025): Full Specs, Camera Test, AI Features & Performance Breakdown
Introduction
The Samsung Galaxy S25 Ultra is Samsung’s most advanced flagship phone of 2025, combining top-tier performance, upgraded AI capabilities, and one of the most powerful camera systems available today. Positioned at the top of the S25 lineup, the S25 Ultra is designed for power users, mobile creators, professionals, and anyone who demands best-in-class hardware.
This in-depth Samsung Galaxy S25 Ultra review covers its specs, camera performance, AI features, battery life, pros and cons, and real-world experience.
If you’re comparing the latest flagship devices, make sure to also check our comprehensive guide to the Top 10 Best Phones of 2025, where the Galaxy S25 Ultra is featured among the top performers.
Samsung Galaxy S25 Ultra Full Specifications
Here’s a quick rundown of the key specs for the Galaxy S25 Ultra, based on the latest data:
| Component | Specification |
|---|---|
| Display | 6.9-inch Dynamic AMOLED, 120 Hz, HDR, peak brightness ~2,600 nits |
| Resolution | 3,120 × 1,440 px (19.5:9) |
| Protection | Corning Gorilla Glass Armor 2 |
| Chipset | Snapdragon 8 Elite (custom "for Galaxy") |
| CPU / GPU | Octa-core / Adreno 830 |
| RAM | 12 GB (LPDDR5X) |
| Storage Options | 256 GB / 512 GB / 1 TB (UFS 4.0) |
| Expandable Storage | No |
| Rear Camera System | 200 MP (wide) + 50 MP (ultra-wide) + 50 MP (telephoto 5×) + 10 MP (telephoto 3×) |
| Front Camera | 12 MP |
| Battery | 5,000 mAh, with wired fast charging and wireless charging |
| Operating System | Android 15 with One UI 7 |
| Connectivity | 5G, Wi-Fi 7, Bluetooth 5.4 |
| Build | Titanium frame, Gorilla Glass Armor, IP68 |
| S Pen | Included (no Bluetooth features) |
| Starting Price | $1,299.99 |
What’s New in the Samsung Galaxy S25 Ultra?
1. Performance & AI Upgrades
The Galaxy S25 Ultra features the Snapdragon 8 Elite chipset, offering a massive performance boost. AI processing is significantly faster, enabling smoother generative editing, better photo enhancement, and quicker multitasking.
Key Performance Highlights
Faster AI task handling
Improved thermal management with a larger vapor chamber
More stable gaming performance at high settings
This makes the S25 Ultra one of the fastest Android phones available in 2025.
2. Display & Design Improvements
Samsung continues to dominate the display market, and the S25 Ultra proves it again.
Display Strengths
Stunning 6.9″ Dynamic AMOLED panel
Superior visibility even under harsh sunlight
Slimmer bezels for a more immersive experience
Anti-reflective coating reduces glare by a noticeable margin
The titanium build and new glass protection make it more durable than previous models.
3. Camera System & Photo Quality
The Samsung Galaxy S25 Ultra camera setup is one of the biggest reasons to upgrade.
Camera Highlights
200 MP main sensor captures outstanding detail
50 MP ultra-wide offers improved clarity
Dual telephoto lenses deliver versatile and sharp zoom shots
AI-powered “ProVisual Engine” enhances low-light and portrait photography
“Galaxy Log Mode” offers advanced video controls for creators
If camera performance is a priority, the S25 Ultra stands among the top contenders.
4. Battery Life & Charging
The S25 Ultra’s 5,000 mAh battery performs reliably thanks to software and chipset optimizations.
Battery Takeaways
All-day battery life even with heavy use
45W wired fast charging
Wireless and reverse wireless charging included
Charging speeds are decent but not industry-leading.
5. S Pen: What Changed?
Samsung removed Bluetooth support from the built-in S Pen, meaning:
No remote shutter
No gesture controls
No Air actions
The S Pen still writes beautifully, but some long-time users may miss the advanced features.
6. AI Features in One UI 7
One UI 7 introduces several smart, practical AI enhancements:
Call transcription and summaries
Content summarization (Now Bar / Now Brief)
AI-powered editing tools
More contextual assistance based on usage patterns
These features make the S25 Ultra feel smarter and more personalized.
Pros and Cons of the Samsung Galaxy S25 Ultra
Pros
Exceptional performance with Snapdragon 8 Elite
Stunning 6.9″ AMOLED display with anti-reflective coating
Highly versatile quad-camera system
Premium titanium build
Useful generative and productivity-focused AI features
Strong battery life and reliable charging
Long-term durability and software support
Cons
Removal of Bluetooth S Pen features
Charging speeds not the fastest
High starting price
Large size may feel bulky for some users
AI features still inconsistent in certain scenarios
User Impressions & Community Feedback
Many users praise:
The anti-reflective display and outdoor visibility
The premium feel and durability of the titanium frame
The camera upgrades and strong zoom performance
Some concerns include battery longevity expectations, the loss of S Pen Bluetooth features, and the large physical footprint.
Who Should Buy the Galaxy S25 Ultra?
This phone is ideal for:
✔ Power users
✔ Mobile photographers and videographers
✔ Gamers wanting top-tier performance
✔ Professionals needing a productivity-focused device
✔ Long-term phone owners who keep a device 4–7 years
Final Verdict
The Samsung Galaxy S25 Ultra is a powerhouse smartphone that blends elite performance, a brilliant display, advanced camera capabilities, and forward-thinking AI features. While not perfect—especially with the S Pen downgrade—it remains one of the most complete and powerful Android phones of 2025.
If you’re looking for the most capable Samsung phone available, the Galaxy S25 Ultra delivers in nearly every category.
If you’re comparing the latest flagship devices, make sure to also check our comprehensive guide to the Top 10 Best Phones of 2025, where the Galaxy S25 Ultra is featured among the top performers.
Frequently Asked Questions (FAQ)
1. Is the Samsung Galaxy S25 Ultra worth buying?
Yes. It delivers top-tier performance, exceptional cameras, long battery life, and advanced AI features that make it one of the best Android phones of 2025.
2. Does the S25 Ultra have good battery life?
Yes. The 5,000 mAh battery easily lasts a full day with heavy usage thanks to improved optimization.
3. What’s new in the S25 Ultra camera?
A 200 MP main sensor, improved telephoto performance, better low-light processing, and a new Galaxy Log mode for video creators.
4. Did the S Pen lose features?
Yes. Bluetooth features (Air actions, remote shutter, gestures) are removed. Writing and pressure sensitivity remain excellent.
5. How bright is the S25 Ultra display?
The Dynamic AMOLED panel reaches around 2,600 nits, making it easy to read even in direct sunlight.
