Samsung Galaxy S25 Ultra

The Samsung Galaxy S25 Ultra is Samsung's flagship Ultra-series smartphone for 2025, combining a large 6.9-inch high-resolution LTPO AMOLED display, Snapdragon 8 Elite processing, a versatile 200MP quad-camera system, S Pen support, a titanium frame, advanced connectivity, and a large 5000mAh battery.

The Galaxy S25 Ultra was announced on January 22, 2025, and released on February 3, 2025.

Network and Connectivity

The Galaxy S25 Ultra supports a comprehensive range of cellular technologies, including GSM, CDMA, HSPA, EVDO, LTE, and 5G, allowing it to operate across a wide range of modern mobile networks.

SIM configurations vary by market. International versions support Nano-SIM + Nano-SIM + eSIM + eSIM, with a maximum of two active SIM connections at once. The US version supports Nano-SIM + eSIM + eSIM, while the Chinese version supports dual Nano-SIM.

Wireless connectivity includes Wi-Fi 7 with tri-band operation and Wi-Fi Direct. Bluetooth 5.4 supports A2DP and Low Energy connectivity for wireless headphones, speakers, watches, keyboards, and other accessories.

The phone supports multiple global satellite positioning systems, including GPS, GLONASS, BDS, Galileo, and QZSS.

NFC is included for compatible contactless payments and accessories.

The S25 Ultra uses USB Type-C 3.2, with DisplayPort 1.2 and USB OTG support for wired peripherals and external displays.

Design and Build

The Galaxy S25 Ultra measures 162.8 × 77.6 × 8.2 mm and weighs 218 grams.

Its construction combines a glass front protected by Corning Gorilla Armor 2, a Gorilla Glass Victus 2 rear panel, and a Grade 5 titanium frame.

The phone has an IP68 rating, making it dust-tight and resistant to water immersion of up to 1.5 meters for up to 30 minutes under specified laboratory conditions.

An integrated stylus/S Pen provides the handwriting, drawing, annotation, and precision-input capabilities associated with Samsung's Ultra lineup.

Available Colors

The Galaxy S25 Ultra is available in:

• Titanium Silver Blue
• Titanium Black
• Titanium White Silver
• Titanium Gray
• Titanium Jade Green
• Titanium Jet Black
• Titanium Pink Gold

Display

The Galaxy S25 Ultra features a large 6.9-inch Dynamic LTPO AMOLED 2X display with a 120Hz refresh rate.

The screen has a resolution of 1440 × 3120 pixels, a 19.5:9 aspect ratio, and an approximate pixel density of 498 ppi.

It supports HDR10+ and can reach a peak brightness of up to 2600 nits.

The display is protected by Corning Gorilla Armor 2 and features a DX anti-reflective coating, designed to reduce reflections and improve visibility in bright surroundings.

With an approximately 92.5% screen-to-body ratio, the phone provides an expansive viewing area suitable for gaming, video, photography, productivity, and reading.

Software and Platform

The Galaxy S25 Ultra launched with Android 15 and Samsung One UI 8.

Samsung lists support for up to seven major Android OS updates, giving the device an extended software-support lifespan.

Snapdragon 8 Elite

The phone is powered by the Qualcomm Snapdragon 8 Elite, model SM8750-AC, manufactured using a 3nm process.

Its octa-core CPU consists of:

• 2 × Oryon V2 Phoenix L cores at up to 4.47 GHz
• 6 × Oryon V2 Phoenix M cores at up to 3.53 GHz

Graphics are handled by the Adreno 830 GPU, clocked at up to 1.2 GHz.

This flagship platform is designed to deliver high performance for gaming, multitasking, photography, video processing, AI workloads, and demanding applications.

Memory and Storage

The Galaxy S25 Ultra does not include a microSD card slot, so users must choose their required storage capacity when purchasing the device.

Available configurations include:

• 256GB + 12GB RAM
• 512GB + 12GB RAM
• 1TB + 12GB RAM
• 1TB + 16GB RAM

Storage uses UFS 4.0, providing high-speed application loading and data transfer.

Quad-Camera System

The Galaxy S25 Ultra features a four-camera rear system consisting of a 200MP main camera, 3× telephoto camera, 5× periscope telephoto camera, and 50MP ultrawide camera.

200MP Main Camera

The primary camera uses a 200MP sensor with an f/1.7 aperture and a 24mm equivalent focal length.

The approximately 1/1.3-inch sensor has 0.6µm pixels and supports multi-directional PDAF for autofocus and optical image stabilization (OIS).

The high-resolution sensor is designed to capture detailed images while supporting a variety of cropping and zooming scenarios.

10MP Telephoto Camera

A dedicated 10MP telephoto camera provides a 67mm equivalent focal length and 3× optical zoom.

It features PDAF and OIS for improved focusing and stabilization when photographing subjects at closer telephoto distances.

50MP Periscope Telephoto Camera

The S25 Ultra also includes a 50MP periscope telephoto camera with a 111mm equivalent focal length and 5× optical zoom.

The camera uses a 1/2.52-inch sensor with 0.7µm pixels, PDAF, and OIS.

The periscope design allows the phone to provide longer-range optical magnification without requiring an excessively thick camera module.

50MP Ultrawide Camera

The 50MP ultrawide camera has an f/1.9 aperture and a 120-degree field of view.

Its 1/2.5-inch sensor uses 0.7µm pixels and features dual-pixel PDAF.

The camera is suited to landscapes, architecture, interiors, large groups, and other situations where a wider perspective is required.

It also supports Super Steady video.

Camera Features

The rear camera system supports:

• Laser autofocus
• Best Face
• LED flash
• Auto HDR
• Panorama
• Optical image stabilization
• Super Steady video

Video Recording

The Galaxy S25 Ultra supports video recording at up to 8K resolution.

Available recording modes include:

• 8K at 24/30fps
• 4K at 30/60/120fps
• 1080p at 30/60/120/240fps

Video features include 10-bit HDR, HDR10+, stereo sound recording, and gyro-EIS.

The combination of optical and electronic stabilization helps reduce camera movement during handheld recording.

Selfie Camera

The front-facing camera is a 12MP wide-angle camera with an f/2.2 aperture and 26mm equivalent focal length.

It uses a 1/3.2-inch sensor with 1.12µm pixels and dual-pixel PDAF.

The selfie camera supports:

• HDR
• HDR10+
• 4K video at 30/60fps
• 1080p video at 30fps

This provides high-resolution imaging and video capabilities for selfies, video calls, and social media content.

Audio

The Galaxy S25 Ultra features stereo speakers and supports high-bitrate audio.

There is no 3.5mm headphone jack, so wired headphones require USB-C connectivity or an appropriate adapter.

Sensors and Features

The Galaxy S25 Ultra includes a comprehensive sensor package:

• Ultrasonic under-display fingerprint sensor
• Accelerometer
• Gyroscope
• Proximity sensor
• Compass
• Barometer

The phone supports Samsung DeX, allowing it to operate as part of a desktop-style computing environment when connected to compatible peripherals and displays.

Samsung Wireless DeX is also supported, providing a wireless desktop experience with compatible equipment.

The phone includes Ultra Wideband (UWB) support for compatible tracking, proximity, positioning, and smart-device functions.

Battery and Charging

The Galaxy S25 Ultra contains a 5000mAh lithium-ion battery.

Wired charging supports up to 45W through USB Power Delivery 3.0, with a listed charging rate of approximately 65% in 30 minutes under supported conditions.

Wireless charging supports up to 15W through Qi2 Ready.

The phone also supports 4.5W reverse wireless charging, allowing it to provide power to compatible accessories and other supported devices.

Models

The Galaxy S25 Ultra is available in multiple regional variants:

• SM-S938B
• SM-S938B/DS
• SM-S938U
• SM-S938U1
• SM-S938W
• SM-S938N
• SM-S9380
• SM-S938E
• SM-S938E/DS

Network compatibility, SIM configurations, and certain regional specifications can vary between models.

SAR Ratings

The listed SAR values are:

Standard listing:

• Head: 1.26 W/kg
• Body: 0.64 W/kg

EU SAR:

• Head: 1.25 W/kg
• Body: 1.42 W/kg

Overall Description

The Samsung Galaxy S25 Ultra is a large-format flagship smartphone built around a premium titanium-and-glass design, a high-resolution 6.9-inch LTPO AMOLED display, Snapdragon 8 Elite processing, an integrated S Pen, and an advanced quad-camera system.

Its 1440 × 3120 120Hz Dynamic AMOLED 2X display supports HDR10+, reaches up to 2600 nits peak brightness, and uses Gorilla Armor 2 with an anti-reflective DX coating.

The Snapdragon 8 Elite platform combines an octa-core Oryon CPU with the Adreno 830 GPU, while memory configurations reach 16GB RAM and storage goes up to 1TB using UFS 4.0.

Photography is one of the phone's central capabilities. Its 200MP primary camera is accompanied by dedicated 3× and 5× optical telephoto cameras and a 50MP ultrawide camera, providing a broad range of focal lengths. Video recording reaches 8K, with additional 4K 120fps capability and advanced HDR and stabilization features.

The phone also provides Wi-Fi 7, Bluetooth 5.4, USB 3.2, DisplayPort 1.2, NFC, UWB, ultrasonic fingerprint recognition, Samsung DeX, Wireless DeX, and stereo speakers.

A 5000mAh battery supports 45W wired charging, 15W wireless charging, and 4.5W reverse wireless charging.

With its titanium construction, integrated S Pen, large high-resolution display, flagship Snapdragon processor, extensive camera system, and long-term software support, the Galaxy S25 Ultra is designed as an all-purpose premium smartphone for photography, productivity, gaming, multimedia, and demanding everyday use.