Samsung Galaxy Watch Ultra2 (47 mm, LTE) / Samsung Galaxy Watch5 (40 mm, Bluetooth)

Samsung Galaxy Watch Ultra2 (47 mm, LTE): SM-L715 · 47mm titanium case, LTE; Titanium Silver and Titanium Gray. The US version is SM-L715U and the European/Australian version SM-L715F; LTE bands vary by country.

Samsung Galaxy Watch5 (40 mm, Bluetooth): The 40 mm aluminium Bluetooth version of the Galaxy Watch5, in Graphite, Pink Gold and Silver. The 44 mm version has a larger screen and battery; the titanium Galaxy Watch5 Pro is a separate model.

SpecificationSamsung Galaxy Watch Ultra2 (47 mm, LTE)Samsung Galaxy Watch5 (40 mm, Bluetooth)
Release year20262022
AvailabilityFrom 7 August 2026 in 106 markets Samsung—
Display1.5-inch (38.5 mm) Super AMOLED; 498 × 498 Samsung1.2-inch (30.4 mm) Super AMOLED, 396 × 396 pixels; full-colour Always On Display; sapphire crystal

Sapphire crystal is a glass material that strongly resists scratching. The 44 mm version has a 1.4-inch, 450 × 450 screen.

Samsung
BrightnessUp to 5,000 nits

This is peak brightness aimed at readability in sunlight, not sustained full-screen brightness.

Samsung
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Case47 mm; titanium on the front and back cover areas, plastic and other materials elsewhere in the frame Samsung—
ProcessorSnapdragon Wear Elite; 5 cores (2.1 and 1.95 GHz) SamsungExynos W920, dual-core 1.18 GHz Samsung
Memory and storage2 GB RAM; 64 GB (49.3 GB available) Samsung1.5 GB RAM; 16 GB internal storage Samsung
Battery800 mAh typical; up to 60 hours with AOD on, 80 hours with it off

AOD (always-on display) lets you read the watch without raising your wrist but cuts battery life by roughly a quarter.

Samsung
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ChargingFast charging up to about 40% in 30 minutes Samsung—
Operating systemWear OS 7; security updates until 31 July 2031 Samsung—
WirelessBluetooth 6.0; Wi-Fi 802.11a/b/g/n (2.4 and 5 GHz); NFC Samsung—
Cellular4G LTE (FDD/TDD), 3G WCDMA; eSIM

LTE use depends on country and carrier support; the watch can make calls and use data without a phone.

Samsung
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LocationGPS, GLONASS, BeiDou, Galileo, QZSS; dual-frequency (L1+L5) GPS

Receiving L1 and L5 together reduces errors caused by reflected signals near tall buildings and under trees.

Samsung
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SensorsOptical heart rate, electrical heart (ECG), BIA, temperature, accelerometer, gyro, barometer, geomagnetic, light

BIA estimates body composition using a weak current through the wrist; ECG readings use the electrical heart sensor.

Samsung
Samsung BioActive Sensor (optical heart rate, electrical heart signal, bioelectrical impedance analysis); temperature sensor; accelerometer, barometer, gyro, geomagnetic and light sensors

The electrical heart signal is used for ECG and bioelectrical impedance for body composition estimates; availability of these features varies by country.

Samsung
Durability10 ATM; IP69K; EN13319; MIL-STD-810H

Samsung lists 100 m water resistance under ISO 22810 and operation between −20 and 55 °C while worn. EN13319 is a diving equipment standard.

Samsung
5ATM + IP68; MIL-STD-810H

5ATM suits shallow-water activities such as swimming, not diving.

Samsung
Buttons and sirenThree buttons and an orange Quick Button; holding it for 5 seconds sounds an 86 dB siren (audible up to 180 m)

Pressing the home button five times starts an emergency SOS.

Samsung
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Size and weight47.4 × 47.1 × 10.7 mm; 61.5 g Samsung39.3 × 40.4 × 9.8 mm; 28.7 g (without strap) Samsung
Phone compatibilityAndroid 13 or later phone with at least 1.5 GB of memory

Pairing with an iPhone is not supported.

Samsung
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Case and colours—Armor Aluminum case with Sport Band; Graphite, Pink Gold, Silver Samsung
Battery and charging—284 mAh (typical); faster WPC-based wireless charging

WPC is the body behind the Qi wireless charging standard. The 44 mm version has a 410 mAh battery.

Samsung
Software—At launch Wear OS Powered by Samsung (Wear OS 3.5) with One UI Watch 4.5

The watch works with phones running Android 8.0 or later with more than 1.5 GB of RAM; it cannot be used with an iPhone.

Samsung
Connectivity—Bluetooth 5.2; Wi‑Fi 802.11 a/b/g/n 2.4 + 5 GHz; NFC; GPS/GLONASS/BeiDou/Galileo

This version has no LTE; the LTE version is sold separately.

Samsung