Samsung Galaxy Watch9 (44 mm Bluetooth) / Samsung Galaxy Watch Ultra (47 mm, 2024)

Samsung Galaxy Watch9 (44 mm Bluetooth): SM-L350NZKAEUB; Graphite; Bluetooth, not LTE

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.

SpecificationSamsung Galaxy Watch9 (44 mm Bluetooth)Samsung Galaxy Watch Ultra (47 mm, 2024)
Release year20262024
Availability year2026 Samsung—
Display1.5-inch Super AMOLED; 480 × 480 Samsung1.5-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
ProcessorSnapdragon Wear Elite; 5 cores SamsungExynos W1000 (5 core, 3 nm) Samsung
Memory2 GB RAM Samsung—
Storage32 GB; 20.1 GB available Samsung—
Battery445 mAh typical; non-removable Samsung—
Manufacturer enduranceUp to 40 hours AOD off / 30 on Samsung—
Size / weight46 × 43.7 × 8.6 mm; case 34 g Samsung—
Bluetooth6.0 Samsung—
Wi-Fi802.11a/b/g/n; 2.4 / 5 GHz Samsung—
PositioningGPS, GLONASS, BeiDou, Galileo, QZSS Samsung—
Other connectivityNFC; no cellular connection on this model Samsung—
SensorsOptical/electrical heart, BIA, temperature, barometer, compass SamsungSamsung 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
Operating systemWear OS SamsungWear 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
Charging compatibilityModel-compatible wireless charging; no Wireless PowerShare Samsung—
Resistance5 ATM; IPX8 / IP6X tests

For shallow swimming; not a diving or permanent waterproofing guarantee.

Samsung		—
SetupGalaxy Wearable; Android phone supporting Google services Samsung—
Case—47.1 × 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
Memory and storage—2 GB memory + 32 GB storage

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

Samsung
Battery and charging—590 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
Connectivity—LTE, 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
Durability—10ATM + 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
Buttons and safety—Two 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 compatibility—Android 11 or higher with more than 1.5 GB of memory Samsung