Samsung Galaxy S25 Ultra Review: Key Upgrades & Disappointments

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Samsung's Galaxy S25 Ultra brings subtle refinements rather than revolutionary changes, leaving tech enthusiasts questioning its value proposition. After analyzing this hands-on experience, I've identified where Samsung innovated and where it fell short. The device features a larger 6.9-inch display with slimmer bezels, a new Snapdragon 8 Gen 4 chipset, and an upgraded 50MP ultrawide camera. However, critical components like the 5,000mAh battery and 45W charging remain unchanged from five years ago. This analysis breaks down what matters for potential upgraders.

Design and Display Tweaks

The S25 Ultra sports rounded corners and a flat frame, making it 15g lighter than its predecessor. Samsung claims these changes improve comfort during extended use. The symmetrical bezels house a 6.9-inch AMOLED panel retaining last year’s anti-reflective coating—still exclusive to the Ultra series. While Samsung mentions a "slightly improved" coating, real-world visibility differences appear minimal.

Behind the scenes, Samsung implemented HOP 3.0 display technology, promising better touch responsiveness and more granular brightness adjustments. The Pro Scaler feature, developed with Snapdragon, uses AI upscaling to enhance streaming video quality by up to 43%. Industry experts question whether this compensates for the unchanged peak brightness of 2,600 nits.

Performance and Battery Realities

Powered by the Snapdragon 8 Gen 4 for Galaxy chipset, Samsung claims 37% faster CPU and 30% faster GPU performance. The 40% larger vapor chamber and new thermal interface material aim to sustain this power during intensive tasks. Initial hands-on testing showed noticeable snappiness in app launches, though this may partially stem from One UI 7 optimizations.

The most glaring omission is battery innovation. The 5,000mAh capacity and 45W charging mirror 2020’s S20 Ultra. Industry sources suggest logistics challenges prevent larger batteries in some regions, but competitors like OnePlus 13 offer 6,000mAh cells with 80W charging at lower price points. Samsung’s removal of Bluetooth S Pen functionality—previously used for remote photography—further diminishes the Ultra’s productivity edge.

Camera System Analysis

Hardware changes are limited to the new 50MP ultrawide sensor, which now supports 8K video alongside the main and telephoto lenses. The 200MP main, 10MP 3x telephoto, and 50MP 5x periscope cameras carry over unchanged.

Samsung’s "Pro Visual Engine" leverages AI and the new chipset’s ISP for claimed improvements:

• More natural skin tones and reduced redness
• Enhanced low-light video with less noise
• Smoother zoom transitions
• New Galaxy Log mode for videographers

First impressions show better color science, though the absence of larger sensor upgrades may hinder its competitiveness against rivals like the Vivo X200 Pro.

AI Features and Ecosystem Integration

Samsung dedicates significant resources to on-device AI, powered by a new LLM and Snapdragon’s robust NPU. Notable implementations include:

• Now Brief: Personalized daily summaries blending schedules, health data, and photo memories
• AI Select: Context-aware app/action suggestions via Edge Panel
• YouTube to Notes: Direct video summarization into note-taking apps
• Enhanced Live Translation: Now supporting 20 languages

Browsing Assist gains text-to-speech functionality, while Auto Trim automatically generates video highlights. The integration of both Gemini and Bixby allows natural language commands like "find my Italy photos" or "make text larger."

Competitive Positioning and Verdict

The S25 Ultra starts at £1,249/$1,299—£300 more than the OnePlus 13 and £50 above Apple’s iPhone 16 Pro Max. Key advantages include the S Pen (despite Bluetooth downgrades), industry-leading 7-year software support, and display innovations like anti-glare coating.

However, three critical issues emerge:

1. Battery and charging stagnation undermines its "Ultra" status
2. Base storage remains 256GB while competitors offer 512GB
3. AI features, while plentiful, largely duplicate existing market offerings

For S24 Ultra owners, upgrading seems difficult to justify. New buyers should weigh the refined design and camera tweaks against rivals with superior battery tech and lower pricing. Pre-orders include exclusive colors like "Titanium Jet Black," accessible via Samsung’s website.

Actionable Takeaways:

1. Test the anti-reflective coating in sunlight before choosing non-Ultra models
2. Use Galaxy Log mode if color-grading videos professionally
3. Explore Now Brief customization to maximize productivity
4. Compare trade-in deals; S24 Ultra values remain high
5. Consider OnePlus 13 if battery life outweighs stylus needs

"Which S25 Ultra upgrade matters most to you—AI features, design changes, or camera improvements? Share your priorities below!"

Recommended Resources:

• DXOMARK Camera Tests (for objective lens comparisons)
• Chipset Benchmark Database (to validate performance claims)
• Samsung Members Community (for One UI 7 optimization tips)