Samsung Galaxy S25 Ultra Review: The Ultimate Flagship Phone of 2025
- Market Context and Positioning
- What's New in 2025
- Complete Technical Specifications
- Design and Build Quality — A Masterclass in Premium Materials
- Display Excellence — The Best Screen on Any Smartphone
- Performance — Desktop-Class Power
- Camera System — The Most Versatile on Any Phone
- Battery Life and Charging
- Galaxy AI Software Experience
- Verdict — The Best Flagship Phone of 2025
- Pros:
- Cons:
- Price and Availability
The Samsung Galaxy S25 Ultra represents the absolute pinnacle of smartphone engineering in 2025. Building upon the success of the Galaxy S24 Ultra, Samsung's latest flagship pushes boundaries with a refined titanium design, groundbreaking 200MP camera capabilities, and the powerful Snapdragon 8 Elite for Galaxy processor that redefines mobile performance standards. Announced at Samsung's Galaxy Unpacked event in January 2025, this device aims to cement Samsung's position at the top of the premium smartphone hierarchy.
Market Context and PositioningThe smartphone flagship market in 2025 is more competitive than ever. With the iPhone 17 Pro Max featuring Apple's new A19 Pro chip and Google's Pixel 10 series pushing AI-powered photography to new heights, Samsung needed to deliver something truly exceptional with the S25 Ultra. The company has responded with a device that leaves virtually no box unchecked, offering improvements across virtually every category — from the premium titanium build quality and the stunning 6.9-inch Dynamic AMOLED 2X display to the versatile quad-camera system and comprehensive Galaxy AI software suite. The S25 Ultra isn't just an iterative update; it's a significant leap forward that addresses many of the criticisms leveled at its predecessor, including improved battery efficiency, a brighter display, and a more comfortable in-hand feel thanks to the slightly curved edges.
What's New in 2025The Galaxy S25 Ultra introduces several key improvements over the S24 Ultra. The titanium frame is now made from Grade 5 titanium — the same material used in aerospace applications — offering superior strength while reducing weight. The display has grown from 6.8 to 6.9 inches while maintaining the same footprint, achieved through even thinner bezels. Snapdragon 8 Elite for Galaxy delivers a massive 45% improvement in multi-core CPU performance and 40% faster ray tracing in games. The camera system sees the addition of a 50MP ultrawide sensor (up from 12MP) and improved periscope zoom. Galaxy AI features have expanded significantly, now including real-time multimodal search, AI Photo Assist with generative editing, and advanced Note Assist capabilities.
Complete Technical Specifications| Network | |||||||||
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | ||||||||
| 2G bands | GSM 850 / 900 / 1800 / 1900 - CDMA 800 / 1900 | ||||||||
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | ||||||||
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 | ||||||||
| 5G bands | 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 | ||||||||
| Speed | HSPA, LTE-A (7CA), 5G | ||||||||
| Launch | |||||||||
| Announced | 2025, January 22 | ||||||||
| Status | Available. Released 2025, February 07 | ||||||||
| Body | |||||||||
| Dimensions | 162.8 x 77.6 x 8.2 mm (6.41 x 3.06 x 0.32 in) | ||||||||
| Weight | 218 g (7.69 oz) | ||||||||
| Build | Glass front (Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame | ||||||||
| SIM | Nano-SIM + eSIM + eSIM (or dual eSIM) | ||||||||
| IP68 | dust/water resistant (1.5m for 30 min) | ||||||||
| Built-in S Pen with Bluetooth, IP68 rated, Air actions | |||||||||
| Display | |||||||||
| Type | Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits peak brightness | ||||||||
| Size | 6.9 inches, 114.7 cm2 (~90.8% screen-to-body ratio) | ||||||||
| Resolution | 1440 x 3120 pixels, 19.5:9 ratio (~505 ppi density) | ||||||||
| Protection | Corning Gorilla Armor 2 with anti-reflective coating | ||||||||
| Platform | |||||||||
| OS | Android 15, One UI 8.0, up to 7 major OS upgrades | ||||||||
| Chipset | Qualcomm Snapdragon 8 Elite for Galaxy (3 nm) | ||||||||
| CPU | Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) | ||||||||
| GPU | Adreno 830 @ 1.2 GHz | ||||||||
| Memory | |||||||||
| Card slot | No | ||||||||
| Internal | 256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM (UFS 4.0, LPDDR5X) | ||||||||
| Main Camera | |||||||||
| Quad | 200 MP, f/1.7, 24mm (wide), 1/1.3", multi-directional PDAF, Laser AF, OIS | ||||||||
| 10 MP, f/2.4, 67mm (telephoto), 3x optical zoom, Dual Pixel PDAF, OIS | |||||||||
| 50 MP, f/3.4, 111mm (periscope telephoto), 5x optical zoom, PDAF, OIS | |||||||||
| 50 MP, f/2.2, 13mm, 120° (ultrawide), Super Steady video, Dual Pixel PDAF | |||||||||
| Features | LED flash, auto-HDR, Expert RAW, Best Face, AI depth mapping | ||||||||
| Video | 8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/240fps, HDR10+, stereo sound recording, gyro-EIS | ||||||||
| Selfie camera | |||||||||
| Single | 12 MP, f/2.2, 26mm (wide), Dual Pixel PDAF | ||||||||
| Video | 4K@30/60fps, 1080p@30fps, HDR | ||||||||
| Battery | |||||||||
| Type | Li-Ion 5000 mAh, non-removable | ||||||||
| Wired | 45W, PD3.0, 65% charge in 30 minutes | ||||||||
| Wireless | 15W (Qi2 standard) | ||||||||
| Reverse | 4.5W reverse wireless charging | ||||||||
| Misc | |||||||||
| Colors | Titanium Gray, Titanium Black, Titanium White, Titanium Jade Green, Titanium Pink Gold | ||||||||
| Models | SM-S938B, SM-S938U, SM-S938N | ||||||||
| SAR | 0.92 W/kg (head) 1.08 W/kg (body) | ||||||||
| Price | $1,299.99 / €1,299 / £1,249 | ||||||||
The Galaxy S25 Ultra represents the most refined Samsung design to date. The Grade 5 titanium frame replaces the aluminum used in the S24 Ultra, offering dramatically improved scratch resistance while maintaining a lightweight profile at just 218 grams — remarkably light for a device with a 6.9-inch display. The titanium finish has a subtle, brushed texture that resists fingerprints far better than glossy surfaces. Gorilla Armor 2 on the front is Samsung's latest glass technology, offering four times better scratch resistance than Gorilla Glass Victus 2, along with a 30% reduction in reflections thanks to its anti-reflective coating. In practice, this makes the display significantly more readable under direct sunlight than any previous Galaxy device.
Display Excellence — The Best Screen on Any SmartphoneThe 6.9-inch Dynamic AMOLED 2X display is simply breathtaking. With a peak brightness of 2,600 nits, it's the brightest display on any smartphone, making HDR content truly pop and ensuring excellent visibility even in direct sunlight. The LTPO 3.0 technology dynamically adjusts refresh rates from 1Hz to 120Hz, saving battery during static content while delivering buttery-smooth scrolling and animations. The 1440 x 3120 resolution delivers a sharp 505 pixels per inch.
Performance — Desktop-Class PowerThe Snapdragon 8 Elite for Galaxy is Qualcomm's most powerful mobile chipset, manufactured on TSMC's 3nm process. In GeekBench 6 testing, the S25 Ultra scores approximately 3,200 single-core and 10,800 multi-core — a 45% improvement in multi-core performance over the S24 Ultra's Snapdragon 8 Gen 3. GPU performance is equally impressive with the Adreno 830 delivering 40% faster ray tracing performance.
Camera System — The Most Versatile on Any PhoneThe quad-camera system on the S25 Ultra is the most comprehensive available on any smartphone. The headline 200MP main sensor captures extraordinary detail in good lighting. The 50MP periscope telephoto with 5x optical zoom delivers exceptional clarity at distance. The 50MP ultrawide represents a massive upgrade over the S24 Ultra's 12MP ultrawide.
Battery Life and ChargingThe 5,000mAh battery delivers all-day battery life for most users, with moderate use extending to a day and a half. The 45W wired charging charges the battery to 65% in 30 minutes, though it still lags behind competitors like OnePlus (100W) and Xiaomi (90W).
Galaxy AI Software ExperienceOne UI 8.0 running on Android 15 delivers the most polished Samsung software experience to date. Galaxy AI features are now deeply integrated throughout the system including Circle to Search with Google, AI Photo Assist with generative editing, Note Assist, and Live Translate.
Verdict — The Best Flagship Phone of 2025The Samsung Galaxy S25 Ultra is the most complete, capable, and refined flagship smartphone available in 2025. Its combination of premium build quality, world-class display, versatile camera system, desktop-class performance, and comprehensive AI software suite is unmatched.
Pros:* Exceptional build quality with Grade 5 titanium frame
* Best-in-class Dynamic AMOLED 2X display with 2,600 nits brightness
* Highly versatile quad-camera system with 200MP main sensor
* Outstanding Snapdragon 8 Elite for Galaxy performance
* Comprehensive Galaxy AI software features
* 7 years of OS and security updates
Cons:* 45W charging is slower than competitors at comparable prices
* Extremely expensive at $1,299 starting price
* Very large form factor not suitable for all users
Price and AvailabilityThe Galaxy S25 Ultra starts at $1,299.99 for the 256GB model, $1,419.99 for 512GB, and $1,659.99 for the 1TB model. Available in Titanium Gray, Titanium Black, Titanium White, Titanium Jade Green, and Titanium Pink Gold.
