Samsung Galaxy Watch Ultra (47 mm, 2024) / Samsung Galaxy Watch7 44 mm Bluetooth

Samsung Galaxy Watch Ultra (47 mm, 2024): Galaxy Watch Ultra 47 mm (SM-L705, LTE); Titanium Gray, Titanium White and Titanium Silver at launch. The Galaxy Watch Ultra (2025), sold with a Titanium Blue option, is a later release of the same design whose specifications are not applied to this record; the Galaxy Watch Ultra2 and Galaxy Watch7 are separate models.

Samsung Galaxy Watch7 44 mm Bluetooth: Galaxy Watch7 44 mm Bluetooth (SM-L310); Green and Silver. The 40 mm (SM-L300), the LTE versions and the Galaxy Watch Ultra are separate models.

SpecificationSamsung Galaxy Watch Ultra (47 mm, 2024)Samsung Galaxy Watch7 44 mm Bluetooth
Release year20242024
Display1.5-inch (37.3 mm) 480 × 480 Super AMOLED; full-colour Always On Display; Sapphire Crystal

Samsung quotes 3,000 nits peak brightness for readability in sunlight. Night Mode faces switch to red tones in the dark.

Samsung		Super AMOLED; 480 × 480 (about 327–330 ppi); 2000 nits

The 2000-nit peak helps readability in sunlight; using the always-on display shortens battery life.

Samsung
Case47.1 × 47.4 × 12.1 mm; 60.5 g; Titanium Grade 4 frame

According to Samsung, Grade 4 titanium is used only on the front and back cover areas of the metal frame; the rest of the frame is a mix of plastic and Grade 2 titanium.

Samsung		—
ProcessorExynos W1000 (5 core, 3 nm) Samsung—
Memory and storage2 GB memory + 32 GB storage

This figure is for the 2024 launch model; the Galaxy Watch Ultra (2025) version may differ.

Samsung		—
Battery and charging590 mAh (typical); up to 100 hours in Power Saving and 48 hours in Exercise Power Saving; WPC-based fast wireless charging

In Exercise Power Saving some features, such as network and Bluetooth connections, may be unavailable. Durations come from Samsung’s internal lab tests.

Samsung		425 mAh; WPC-based fast wireless charging

A fast wireless charging puck is in the box, but no wall adapter.

Samsung
Operating systemWear OS 5 (Powered by Samsung) with One UI 6 Watch at launch; One UI 8 Watch update released in July 2025

The One UI 8 Watch update brought Watch8 features such as Running Coach, Vascular Load and Antioxidant Index.

Samsung		—
SensorsSamsung BioActive Sensor (Optical Bio-signal sensor + Electrical Heart Signal + Bioelectrical Impedance Analysis), temperature, accelerometer, barometer, gyro, geomagnetic, light sensor

Health features are for general wellness, not diagnosis; some measurements depend on the market and the paired phone.

Samsung		—
ConnectivityLTE, Bluetooth 5.3, Wi‑Fi 2.4+5 GHz, NFC, GPS (L1+L5) / Glonass / Beidou / Galileo

L1+L5 dual-frequency GPS uses two satellite signals to improve location accuracy among tall buildings and trees.

Samsung		Bluetooth 5.3; Wi-Fi 2.4 + 5 GHz; NFC

This version has no cellular connection; calls and notifications come through the paired phone.

Samsung
Durability10ATM + IP68, MIL-STD-810H; ocean swimming; operation from −20 to 55 °C; altitude from 500 m below sea level to 9,000 m

10ATM means 10 minutes at 100 metres under ISO 22810; Samsung says the watch is not suitable for high-pressure water or scuba diving. IP68 covers 1.5 metres of fresh water for 30 minutes.

Samsung		5ATM, IP68, MIL-STD-810H; Armor Aluminum case

5ATM describes water resistance suitable for surface swimming; it is not for diving or high-speed water sports.

Samsung
Buttons and safetyTwo buttons + orange Quick Button; Emergency Siren

The Quick Button can be mapped to start and control workouts; holding it sounds the emergency siren.

Samsung		—
Phone compatibilityAndroid 11 or higher with more than 1.5 GB of memory Samsung—
Processor and memory—Exynos W1000 (5 cores, 3 nm, 1.6 GHz); 2 GB RAM, 32 GB storage Samsung
Location—Dual-frequency GPS (L1 + L5)

The L5 band helps separate signals reflected by tall buildings and trees; dual-frequency mode can increase battery use.

Samsung
Health sensors—BioActive sensor: heart rate, irregular heart rhythm notification (IHRN), ECG, blood pressure, BIA body composition; continuous SpO2; skin temperature

Availability of ECG and blood pressure depends on country and paired phone; blood pressure measurement is not offered in the US.

Samsung
Health features—Sleep apnea detection; Energy Score; AGEs Index (Labs, experimental)

Energy Score turns sleep, activity and heart data into a daily readiness score; AGEs Index is experimental and not for diagnosis.

Samsung
Size and weight—44.4 × 44.4 × 9.7 mm; 33.8 g (without strap) Samsung
Feedback—Microphone, speaker, vibration motor Samsung
Colours—Green, Silver Samsung