Samsung Galaxy Watch8 Classic (46 mm, Bluetooth) / Samsung Galaxy Watch5 Pro (45 mm)

Samsung Galaxy Watch8 Classic (46 mm, Bluetooth): SM-L500 · 46 mm Bluetooth; the LTE version SM-L505 is a separate model; black or white

Samsung Galaxy Watch5 Pro (45 mm): The Galaxy Watch5 Pro comes in one size (45 mm): SM-R920 (Bluetooth) and SM-R925 (LTE), in Black Titanium and Gray Titanium. The 40/44 mm Galaxy Watch5 is a separate model with a different battery, case material and display size.

SpecificationSamsung Galaxy Watch8 Classic (46 mm, Bluetooth)Samsung Galaxy Watch5 Pro (45 mm)
Release year20252022
Case size46 mm; 46.4 × 46 × 10.6 mm (excluding health sensors)

It is sold in one size only.

Samsung		—
Weight63.5 g (without band) Samsung—
Display1.34-inch Super AMOLED, 438 × 438, full-colour Always-On; sapphire crystal

Sapphire crystal is a cover material that resists scratches better than ordinary glass.

Samsung		1.4-inch (34.6 mm) 450 × 450 Super AMOLED; full-colour Always On Display

The bezel is raised above the display, which Samsung designs to protect the glass from knocks. There is no rotating bezel; menus are navigated with touch gestures and the buttons.

Samsung
ControlsRotating bezel, Quick Button

The rotating bezel lets you scroll lists and apps without touching the screen; its position is read by a 3D Hall sensor found only on the Classic. Quick Button can be assigned to an app or function.

Samsung		—
ProcessorExynos W1000; 5 cores, 3 nm SamsungExynos W920, dual-core 1.18 GHz Samsung
Memory and storage2 GB RAM, 64 GB storage Samsung1.5 GB RAM + 16 GB internal storage Samsung
Battery445 mAh (typical); fast charging, WPC-based wireless charging

Samsung says its charge times were measured with a separately sold 25 W adapter.

Samsung		—
Operating systemWear OS Powered by Samsung (Wear OS 6), One UI 8 Watch

Setup and use need an Android 12 or later phone with more than 1.5 GB of memory and Google Mobile Services.

Samsung		Wear OS 3.5 (Powered by Samsung) with One UI Watch 4.5 at launch

Activation requires connecting to an Android phone with Google Mobile Services; it cannot be used with an iPhone.

Samsung
SensorsBioActive sensor (optical heart rate, electrical heart signal, bioelectrical impedance), temperature, accelerometer, barometer, gyro, geomagnetic, light sensor, 3D Hall sensor

Health features are for general wellness and fitness, not medical diagnosis.

Samsung		Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart Signal + Bioelectrical Impedance Analysis), temperature, accelerometer, barometer, gyro, geomagnetic, light sensor

Electrical Heart Signal enables ECG and Bioelectrical Impedance enables body composition estimates; ECG works through the Samsung Health Monitor app only in approved markets.

Samsung
LocationL1 + L5 dual-frequency GPS; GPS, GLONASS, BeiDou, Galileo

The second frequency (L5) helps accuracy where signals bounce, such as among tall buildings or under trees.

Samsung		—
ConnectivityBluetooth 5.3, Wi-Fi 2.4 and 5 GHz, NFC; no LTE on this model SamsungBluetooth 5.2, Wi‑Fi 802.11 a/b/g/n 2.4 + 5 GHz, NFC, GPS/Glonass/Beidou/Galileo; LTE (LTE model only)

The LTE model can make calls and use data without the phone nearby; support depends on the carrier.

Samsung
Durability5ATM, IP68, MIL-STD-810H

5ATM suits surface water use such as swimming, not diving or high-speed water sports. Samsung says its MIL-STD-810H testing cycled the watch between –20 °C and 50 °C for 6 hours in total.

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

5ATM covers surface water use such as swimming, not diving or high-pressure water. MIL-STD-810H is the US military standard for environmental test methods.

Samsung
ColoursBlack, white Samsung—
Glass and case—Sapphire Crystal; titanium case with D-Buckle Sport Band

The D-buckle band folds open; because the watch cannot lie flat, it is charged on its side on the Samsung charger.

Samsung
Battery and charging—590 mAh (typical); WPC-based wireless faster charging

Samsung says real battery life varies with network environment and usage patterns. 590 mAh is about 44% larger than the 410 mAh battery in the 44 mm Galaxy Watch5.

Samsung
Phone compatibility—Android 8.0 or higher with more than 1.5 GB of RAM Samsung
Size and weight—45.4 × 45.4 × 10.5 mm; 46.5 g

Dimensions are measured without the health sensors and weight without the strap.

Samsung