Samsung Galaxy Watch9 (44 mm Bluetooth) / Apple Watch Series 9 (45 mm, GPS, aluminium)

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

Apple Watch Series 9 (45 mm, GPS, aluminium): 45 mm aluminium case, GPS model; Pink, Midnight, Starlight, Silver and (PRODUCT)RED. The 41 mm, GPS + Cellular and stainless steel (sapphire crystal) versions differ in size and materials.

SpecificationSamsung Galaxy Watch9 (44 mm Bluetooth)Apple Watch Series 9 (45 mm, GPS, aluminium)
Release year20262023
Availability year2026 Samsung—
Display1.5-inch Super AMOLED; 480 × 480 SamsungAlways-On Retina LTPO OLED; up to 2000 nits, as low as 1 nit; 326 ppi

LTPO is a panel technology that can lower the refresh rate dramatically, letting the display stay dimly on when the wrist is down. The 1-nit minimum avoids glare in a dark room.

Apple
ProcessorSnapdragon Wear Elite; 5 cores Samsung—
Memory2 GB RAM Samsung—
Storage32 GB; 20.1 GB available Samsung64 GB Apple
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 Samsung—
Operating systemWear OS 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—
Chip—S9 SiP; 64-bit dual-core processor, 4-core Neural Engine Apple
Controls—Digital Crown with haptic feedback, side button, double tap gesture

Double tap lets you answer notifications or calls by tapping the thumb and index finger of the watch hand together twice, without touching the screen.

Apple
Health sensors—Electrical heart sensor, third-generation optical heart sensor, temperature sensing

The electrical sensor is for ECG recordings; the optical sensor measures pulse with light. Temperature sensing tracks overnight changes in wrist temperature.

Apple
Blood Oxygen (US)—On watches sold in the US without the feature, a redesigned version arrives with iOS 18.6.1 and watchOS 11.6.1; the reading is calculated on iPhone

The watch collects sensor data, the paired iPhone calculates the value and shows it in the Health app. Watches bought outside the US are not affected.

Apple
Other sensors—Compass, always-on altimeter, high-g accelerometer, high dynamic range gyroscope, ambient light sensor Apple
Location—L1 GPS, GNSS, Galileo and BeiDou

It is a single-frequency (L1) receiver; drift in cities can be more likely than with dual-frequency watches.

Apple
Wireless—Wi-Fi 4 (802.11n), Bluetooth 5.3, second-generation Ultra Wideband

Ultra Wideband lets you locate an iPhone 15-family phone with Precision Finding showing direction and distance; availability varies by region.

Apple
Battery and charging—Up to 18 hours normal use, up to 36 hours in Low Power Mode; fast charge to about 80% in 45 minutes

Fast charging requires Apple’s fast-charging cable and a suitable adapter.

Apple
Durability—50 m water resistant (ISO 22810:2010); IP6X dust resistant; Ion-X front glass

Suitable for swimming. Ion-X is the strengthened glass used on aluminium cases; steel cases use sapphire crystal.

Apple
Size and weight—45 × 38 × 10.7 mm; 38.7 g; fits 140–245 mm wrists Apple
Compatibility—iPhone XS or later with iOS 17 or later

It cannot be used with Android phones.

Apple