Samsung Galaxy Watch9 vs Apple Watch Ultra 2

Samsung Galaxy Watch9

Samsung Galaxy Watch9

vsApple Watch Ultra 2

Apple Watch Ultra 2

Samsung Galaxy Watch9Apple Watch Ultra 2
CaseAluminum; 40 mm (42.7 x 40.4 x 8.6 mm, 31.5 g) and 44 mm (46.0 x 43.7 x 8.6 mm, 34.0 g)—
Display1.34-inch (40 mm, 438x438) or 1.47-inch (44 mm, 480x480) Super AMOLED, sapphire crystal, full-color Always On Display, up to 3,000 nitsFlat crystal, up to 3000 nits
ChipsetQualcomm Snapdragon Wear Elite (SDW6100, penta-core, 3nm)Apple S9 SiP, 2nd-gen Ultra Wideband
RAM2GB—
Storage32GB—
Battery390 mAh (40 mm) / 445 mAh (44 mm); Samsung: 20% more capacity than previous generation (40 mm basis); no runtime figure published at launch; WPC-based fast wireless chargingUp to 36 hours; up to about 60 hours in low-power mode
Water Resistance5ATM+ / IP68 / MIL-STD-810HWR100 / EN13319, recreational dives to 40 m
SensorsSamsung BioActive Sensor (optical heart rate, ECG, BIA), temperature, accelerometer, barometer, gyro, geomagnetic, light—
ConnectivityLTE, Bluetooth 6.0, Wi-Fi 2.4/5 GHz, NFC, L1+L5 dual-frequency GPSCellular, dual-frequency GPS (L1 + L5)
Health FeaturesSleep Apnea, Vitals, Heart Health Score, Daily Cardio Load, Fitness Index, Hearing—
OSWear OS 7 (One UI 9 Watch); requires Android 13+ phone with Google Mobile ServiceswatchOS 10 (at launch)
Case Size—49mm titanium
Health Sensors—Heart rate, water temperature, sleep apnea detection, blood oxygen (calculated on paired iPhone)