Apple Watch SE 3 (44 mm, GPS) / Samsung Galaxy Watch6 Classic (47 mm)

Apple Watch SE 3 (44 mm, GPS): 44 mm GPS · aluminium case (Midnight / Starlight)

Samsung Galaxy Watch6 Classic (47 mm): Galaxy Watch6 Classic 47 mm (2023); the Bluetooth version is SM-R960, and the LTE version is sold under a separate model code. The 43 mm Classic, the flat-bezel Galaxy Watch6 and the later Watch8 Classic are separate models.

SpecificationApple Watch SE 3 (44 mm, GPS)Samsung Galaxy Watch6 Classic (47 mm)
Release year20252023
AnnouncementSeptember 9, 2025; on sale from September 19, 2025 Apple—
Case44 mm aluminium; 44 × 38 × 10.7 mm

A 40 mm version also exists with different size, display and battery values.

Apple		Stainless steel; quick-release band button Samsung
Weight32.9 g (GPS) Apple—
DisplayAlways-On Retina, LTPO OLED; 368 × 448 pixels, 977 mm², 326 ppi

Because the LTPO panel can lower its refresh rate, the display keeps showing the time and notifications with the wrist down; this is the first SE with Always-On.

Apple		1.5-inch (37.3 mm) Super AMOLED, 480 × 480 pixels; full-colour Always On Display; sapphire crystal glass

According to Samsung, the display is larger than on the Watch4 Classic and the rotating bezel is 15% thinner. Sapphire crystal resists scratches; the bezel partly surrounds the edge of the screen.

Samsung
Brightness1,000 nits peak; 2 nits minimum Apple—
Front glassIon-X glass

Apple claims 4x better crack resistance than the SE 2.

Apple		—
ProcessorApple S10 SiP; 64-bit dual-core processor, 4-core Neural Engine

The S10 enables the Always-On display, double tap and wrist flick gestures, on-device Siri and fast charging.

Apple		—
Storage64 GB Apple—
SensorsSecond-generation optical heart sensor, temperature sensor, compass, always-on altimeter, high-g accelerometer, high dynamic range gyroscope, ambient light sensor

There is no ECG or blood oxygen sensor. The temperature sensor is not intended for medical use.

Apple		Samsung BioActive Sensor (optical heart rate + electrical heart signal + bioelectrical impedance analysis), temperature, accelerometer, barometer, gyro, geomagnetic, light and 3D Hall sensor

Bioelectrical impedance analysis passes a weak current through the body when two fingers rest on the buttons to estimate muscle, fat and water; it should not be used with a pacemaker or during pregnancy. ECG and blood pressure work only in approved markets through Samsung Health Monitor.

Samsung
Health featuresHeart rate and rhythm notifications, sleep apnoea notifications, sleep stages and sleep score, cycle tracking

Feature availability varies by country.

Apple		—
GesturesDouble tap; wrist flick (watchOS 26)

Wrist flick dismisses notifications and calls, silences alarms and returns to the watch face with one hand.

Apple		—
SpeakerYes; can play music and podcasts Apple—
Water resistance50 metres (ISO 22810:2010); swimproof Apple—
WirelessWi-Fi 4 (802.11n, 2.4 GHz only); Bluetooth 5.3 Apple—
LocationL1 GPS, GLONASS, Galileo, QZSS, BeiDou

This is single-frequency (L1) GPS; position can drift under trees and between tall buildings.

Apple		—
Battery lifeUp to 18 hours of normal use; up to 32 hours in Low Power Mode

In Apple's test the watch stays connected to an iPhone over Bluetooth throughout; results vary with use and settings.

Apple		—
ChargingFast charging: about 80% in 45 minutes; 15 minutes gives up to 8 hours of use

Times are with the included Apple Watch Magnetic Fast Charger to USB-C Cable; no adapter is included.

Apple		—
CompatibilityiPhone 11 or later, iPhone SE (2nd generation) or later Apple—
Colour optionsMidnight or Starlight aluminium case Apple—
Rotating bezel—Physical rotating bezel; menu, notification and app control

Turning the bezel moves between notifications and tiles without touching the screen; its position is sensed by a 3D Hall sensor.

Samsung
Processor, memory and storage—Exynos W930 dual-core 1.4 GHz; 2 GB memory, 16 GB storage Samsung
Battery and charging—425 mAh; up to 40 hours with Always On Display off, up to 30 hours with it on; WPC-based fast wireless charging

Samsung’s fast-charge testing used the magnetic fast-charging cable and a separately sold 25 W adapter. Battery life varies with network, usage and watch face.

Samsung
Operating system—Launched with Wear OS 4 (Wear OS Powered by Samsung) and One UI 5 Watch

Setup needs a phone with Google Mobile Services, Android 10 or later and more than 1.5 GB of memory; it does not work with an iPhone.

Samsung
Connectivity—Bluetooth 5.3, Wi‑Fi 2.4 + 5 GHz, NFC, GPS/GLONASS/BeiDou/Galileo

LTE is only on the LTE version; on the Bluetooth version internet and notifications come through the paired phone.

Samsung
Durability—5ATM + IP68, MIL-STD-810H

5ATM corresponds to 50 metres for 10 minutes; it is not suitable for diving or high-pressure water. IP68 covers 1.5 metres in fresh water for 30 minutes.

Samsung
Size and weight—46.5 × 46.5 × 10.9 mm; 59.0 g (without band)

Thickness is measured without the health sensors.

Samsung