Samsung Galaxy Watch Ultra 2025

Its key features include a 3 nm Exynos W1000 chipset, 64GB storage, 590 mAh battery, Quick (action) button + gestures and a durable titanium construction.

Unique Features

• Expanded 64 GB storage (with 50 GB available), doubling the 32 GB of the original model
• All-new Titanium Blue colorway, joining Silver, Gray, and White in the rugged-grade‑4 titanium case lineup
• Launch with One UI 8 Watch (Wear OS 6) out of the box, including health features like Antioxidant Index, Vascular Load, Sleep Apnea detection, and the Gemini digital assistant
• Rugged titanium construction with sapphire crystal display, MIL‑STD‑810H certification, IP68 + 10 ATM water resistance (rated for 100 m freshwater immersion up to 10 minutes), and tested for 9,000 m altitude and –20 °C to 55 °C operation
• 47 mm squircle design (square body with circular 1.5″ AMOLED display), peak brightness up to 3,000 nits; ~60.5 g weight and 12.1 mm thickness
• Dynamic Lug system for quick-release strap swapping; compatible with 2024 Ultra bands
• 3 nm Exynos W1000 chipset and 2 GB RAM deliver fluid performance with One UI Watch on Wear OS 6
• 590 mAh battery: up to 60 h typical use, 48 h with GPS-intensive workouts, and up to 100 h in Power Saving mode
• Samsung BioActive sensor suite supports optical heart rate, ECG, blood pressure (Galaxy phone‑only), SpO₂, skin temperature, and BI A body‑composition insights.
• New metrics via One UI 8: Antioxidant Index, Vascular Load (sleep‑based circulatory strain), enhanced running coach, and sleep‑apnea detection support available at launch
• Dual‑frequency GNSS (L1 + L5 GPS plus GLONASS, Galileo, BeiDou) for better location accuracy in urban or dense environments
• Quick (action) button + gestures: dedicate the side Quick Button to workout menus, torch, water‑lock modes; gestures like double‑pinch and “knock‑knock” allow hands‑free control.

Design and Display

The Samsung Galaxy Watch Ultra features a 47.4 x 47.1 x 12.1 mm chassis weighing just 60.5g. Its robust build supports 10ATM water resistance, making it ideal for diving, trail running, and extreme environments.

The 1.5-inch Super AMOLED display is brilliantly sharp at 480 x 480 resolution, with 16 million colors and enhanced brightness for readability in direct sunlight. The addition of the new Now Bar interface streamlines glanceable updates-weather, alarms, and sports metrics now appear in a single swipe.

Performance and OS

Powered by a Penta-core processor with clock speeds of 1.6GHz + 1.5GHz, the Watch Ultra runs Wear OS powered by Samsung, offering fluid navigation, multi-app multitasking, and AI-driven assistance through Google Gemini.

Memory has been significantly upgraded: 2GB RAM and 64GB internal storage, with 50GB usable, offering ample space for apps, music, maps, and offline data.

Battery Life

With a 590mAh battery, the Galaxy Watch Ultra delivers exceptional endurance:

• Up to 80 hours with Always-On Display (AOD) off
• Up to 60 hours with AOD on
• Up to 100 hours in power-saving mode
• Up to 48 hours of GPS-powered outdoor workouts in exercise power saving mode

Health, Fitness & AI Coaching

Samsung’s Galaxy AI supercharges wellness tracking. The Advanced Sleep Coaching feature provides personalized insights after 7 tracked nights, helping improve endurance and recovery. Running Coach, tailored for outdoor running, offers dynamic routines based on real-time GPS data.

The new Energy Score calculates your daily readiness using sleep, activity, and heart data, providing a single, AI-synthesized metric to optimize your performance and rest.

Vascular Load monitoring gives a fresh angle on stress management by tracking blood flow strain

Sensors and Connectivity

The Watch Ultra has a robust set of sensors, including:

• Bioelectrical Impedance Analysis Sensor
• Optical and Electrical Heart Rate Sensors
• Infrared Temperature Sensor
• Barometer, Gyroscope, Geomagnetic Sensor
• Accelerometer and Light Sensor

Location accuracy is enhanced with multi-GNSS support (GPS, Glonass, Beidou, Galileo), and connectivity is top-tier with Wi-Fi (dual-band), Bluetooth 5.3, NFC, and embedded eSIM. Supported bands cover extensive 3G/4G LTE ranges across FDD and TDD spectrums, ensuring seamless network coverage worldwide.

Audio and Smart Features

With support for all major audio formats (MP3, M4A, AAC, OGG, WAV, etc.), the Galaxy Watch Ultra doubles as a portable music device. You can sync music for offline listening or stream via LTE. Bluetooth A2DP, AVRCP, HFP, and HSP profiles ensure stable connections to earbuds or car systems.

The AI assistant powered by Google Gemini delivers real-time support, from scheduling to translation entirely hands-free. Smart notifications, voice replies, and quick actions round off the productivity suite.