| Display | 1.6-inch AMOLED, 256 x 402 pixels, 16M colors; Samsung states it is 45% wider than the Galaxy Fit2 display | Flat crystal, up to 3000 nits |
|---|
| Case | Aluminum body; 42.9 x 28.8 x 9.9 mm; 18.5 g (body); quick-release band button; gray, silver and pink gold | — |
|---|
| Battery | Up to 13 days typical use (208 mAh typical capacity, Samsung lab test with notifications and 30 minutes of workouts per day) | Up to 36 hours; up to about 60 hours in low-power mode |
|---|
| Health Sensors | Optical heart rate sensor, accelerometer, barometer, gyro sensor, light sensor; heart rate, stress, sleep tracking with snoring detection (via paired phone microphone) and overnight blood oxygen, Sleep Coaching | Heart rate, water temperature, sleep apnea detection, blood oxygen (calculated on paired iPhone) |
|---|
| Sports | 100+ workout types; Fall Detection and Emergency SOS (press the side button five times) | — |
|---|
| Memory | 16 MB RAM, 256 MB storage | — |
|---|
| Connectivity | Bluetooth 5.3; sensor list does not include a GNSS receiver | Cellular, dual-frequency GPS (L1 + L5) |
|---|
| Water Resistance | 5ATM and IP68 | WR100 / EN13319, recreational dives to 40 m |
|---|
| OS | FreeRTOS; requires a paired Android 10 or later smartphone with at least 1.5GB memory and a Samsung account | watchOS 10 (at launch) |
|---|
| Case Size | — | 49mm titanium |
|---|
| Chipset | — | Apple S9 SiP, 2nd-gen Ultra Wideband |
|---|
