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The Galaxy S25 Ultra maintains Samsung's commitment to premium flagship excellence while introducing several key refinements over its predecessor. With the S24 Ultra now available at significantly reduced prices following the S25 Ultra's launch, understanding the differences between these models becomes crucial for making the right choice for your needs and budget.
✅ Design and Build Quality: Refined Excellence
• Physical Dimensions and Weight
The Galaxy S25 Ultra showcases Samsung's dedication to design refinement with notable improvements in form factor. Measuring 162.8 x 77.6 x 8.2mm and weighing 218g, the S25 Ultra is both thinner and lighter than the S24 Ultra (162.3 x 79.0 x 8.6mm, 232g). This 14-gram weight reduction and 0.4mm thickness decrease make the device more comfortable for extended use while maintaining the premium feel expected from Samsung's Ultra series.
The most significant design evolution lies in the corner treatment. The S25 Ultra adopts slightly rounded corners, departing from the S24 Ultra's sharp, angular design. This change improves ergonomics and reduces the jabbing sensation when the device is held in the palm, addressing a common user complaint about the previous generation.
• Material Construction and Durability
Both devices feature titanium frames, but the S25 Ultra utilizes Grade 5 titanium compared to the S24 Ultra's Grade titanium. This upgrade provides enhanced durability and corrosion resistance. The S25 Ultra also incorporates second-generation Corning Gorilla Armor with improved anti-reflective properties, while the S24 Ultra uses the first-generation Gorilla Armor.
The floating lens design on the S25 Ultra's camera module has drawn mixed reactions. While visually distinctive, the slightly raised lens rings create small gaps that can collect debris, potentially complicating maintenance compared to the S24 Ultra's flush design.
✅ Display Technology: Bigger and Brighter
• Screen Size and Resolution
The Galaxy S25 Ultra features a 6.9-inch display compared to the S24 Ultra's 6.8-inch screen, achieving this increase through slimmer bezels rather than a larger overall footprint. Both devices maintain identical QHD+ resolution (3120 x 1440 pixels) with Dynamic AMOLED 2X technology and variable refresh rates from 1Hz to 120Hz.
• Brightness and Visual Performance
Peak brightness remains at 2600 nits for both models, ensuring excellent outdoor visibility. However, the S25 Ultra's second-generation Gorilla Armor provides superior anti-reflective coating, reducing glare and improving visibility in challenging lighting conditions. Testing reveals the S25 Ultra offers improved color accuracy and reduced color shifts when viewed at angles compared to its predecessor.
Both displays support HDR10+ content and feature ultrasonic in-display fingerprint sensors. The S25 Ultra's display improvements are evolutionary rather than revolutionary, focusing on refinement rather than dramatic changes.
✅ Performance: Next-Generation Processing Power
• Processor and Architecture
The performance gap between these devices is substantial, with the S25 Ultra powered by the Snapdragon 8 Elite for Galaxy while the S24 Ultra uses the Snapdragon 8 Gen 3 for Galaxy. The newer processor utilizes a 3nm manufacturing process compared to the 4nm process in the S24 Ultra, resulting in improved efficiency and performance.
The Snapdragon 8 Elite for Galaxy features custom Oryon CPU cores with two prime cores running at 4.47GHz and six performance cores at 3.53GHz. In contrast, the S24 Ultra's Snapdragon 8 Gen 3 uses traditional ARM Cortex cores with a single prime core at 3.39GHz.
• Benchmark Performance
Real-world testing demonstrates significant performance improvements for the S25 Ultra. GeekBench 6 scores show a 37% improvement in single-core performance and 41% in multi-core performance compared to the S24 Ultra. The Adreno 830 GPU in the S25 Ultra provides approximately 29% better graphics performance than the S24 Ultra's Adreno 750.
However, sustained performance presents challenges for both devices. The S25 Ultra experiences approximately 20% performance degradation after intensive workloads, slightly worse than the S24 Ultra's 10% degradation under similar conditions. This suggests thermal management remains a limiting factor despite the newer architecture.
✅ Camera System: Evolution in Imaging
• Hardware Specifications
The camera systems share many similarities, with both featuring 200MP main cameras using Samsung's ISOCELL HP2 sensor with f/1.7 aperture and optical image stabilization. The telephoto configurations also remain identical, with a 10MP 3x zoom camera and 50MP 5x periscope zoom camera.
The significant upgrade lies in the ultra-wide camera. The S25 Ultra incorporates a 50MP ultra-wide sensor with f/1.9 aperture, representing a substantial improvement over the S24 Ultra's 12MP f/2.2 ultra-wide camera. This upgrade enables better detail capture, improved macro photography, and enhanced low-light performance for wide-angle shots.
• Image Quality and Processing
Samsung's enhanced ProVisual Engine in the S25 Ultra utilizes the improved ISP in the Snapdragon 8 Elite chip, implementing Spatio-Temporal Filter (STF) technology for better noise reduction and detail preservation. This results in slightly softer but clearer fine details compared to the S24 Ultra's tendency toward oversharpening.
Night photography shows measurable improvements on the S25 Ultra, with better contrast, detail retention, and color accuracy in low-light conditions. The upgraded ultra-wide camera particularly benefits from the larger sensor and wider aperture, gathering more light for improved nighttime shots.
Video recording capabilities remain largely identical between the models, both supporting 8K@30fps and 4K@120fps recording. However, the S25 Ultra introduces 10-bit HDR video recording, capturing greater dynamic range and color information compared to the S24 Ultra's 8-bit recording
✅ Battery Life and Charging: Consistent Performance
• Battery Capacity and Longevity
Both devices feature identical 5000mAh batteries, but the S25 Ultra's more efficient 3nm processor provides slightly better battery life. Real-world testing shows the S25 Ultra achieving approximately 9.2 hours of screen-on time compared to the S24 Ultra's 8.8 hours under similar usage patterns.
The improvement stems primarily from the Snapdragon 8 Elite's superior power efficiency rather than battery capacity increases. Users can expect full-day usage from both devices under typical conditions, with the S25 Ultra offering a modest advantage for heavy users.
• Charging Speed and Technology
Both models support 45W wired charging and 15W wireless charging, but the S25 Ultra demonstrates faster charging speeds despite identical specifications. The S25 Ultra supports a 15V/3A charging profile alongside the standard 9V/2.77A, while the S24 Ultra is limited to 11V/4.05A or 9V/2.77A profiles.
Testing reveals the S25 Ultra charges from 0% to 100% in approximately 59 minutes, while the S24 Ultra requires about 66 minutes for a complete charge. The S25 Ultra also reaches 50% charge in 21 minutes compared to 25 minutes for the S24 Ultra.
The S25 Ultra introduces Qi2 wireless charging readiness, requiring compatible cases to enable magnetic alignment features. This represents a step toward standardized wireless charging accessories.
✅ Software and Features: One UI 7.0 vs One UI 6.1
• Operating System Evolution
The S25 Ultra ships with Android 15 and One UI 7.0, while the S24 Ultra originally launched with Android 14 and One UI 6.1. One UI 7.0 represents Samsung's most significant interface redesign in years, introducing refined app icons, improved animations, and restructured system elements.
Key visual improvements include redesigned app icons with better visibility and clearer visual metaphors, enhanced notification and quick settings panels, and smoother animations throughout the interface. The new design philosophy emphasizes curves and circles, providing a more cohesive and modern appearance.
• Galaxy AI Enhancements
The S25 Ultra benefits from enhanced Galaxy AI features powered by the improved Neural Processing Unit in the Snapdragon 8 Elite. These include advanced writing assistance, improved photo editing capabilities, and enhanced voice transcription features. While many Galaxy AI features are expected to reach the S24 Ultra through software updates, the S25 Ultra's more powerful NPU enables faster processing and additional capabilities.
• S Pen Functionality
Both devices include Samsung's S Pen stylus, but with different capabilities. The S24 Ultra's S Pen retains Bluetooth connectivity for air gestures and remote camera control, while the S25 Ultra's S Pen removes these wireless features. This change may disappoint users who rely on remote S Pen functionality, though basic stylus features remain unchanged.
✅ Pricing and Value Proposition
Launch and Current Pricing
The Galaxy S25 Ultra launched at ₹1,29,999 in India, matching the S24 Ultra's original launch price. However, market dynamics have created significant price differences. The S24 Ultra is now available for as low as ₹82,749 on various platforms, representing a substantial ₹30,000+ discount from its launch price.
Current pricing makes the S24 Ultra an attractive value proposition, offering 90% of the S25 Ultra's capabilities at potentially 35% less cost. The S25 Ultra's premium reflects its status as Samsung's latest flagship, but the price difference may not justify the incremental improvements for budget-conscious buyers.