| Case | Aluminum; 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) | — |
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| Display | 1.34-inch (40 mm, 438x438) or 1.47-inch (44 mm, 480x480) Super AMOLED, sapphire crystal, full-color Always On Display, up to 3,000 nits | Flat crystal, up to 3000 nits |
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| Chipset | Qualcomm Snapdragon Wear Elite (SDW6100, penta-core, 3nm) | Apple S9 SiP, 2nd-gen Ultra Wideband |
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| RAM | 2GB | — |
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| Storage | 32GB | — |
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| Battery | 390 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 charging | Up to 36 hours; up to about 60 hours in low-power mode |
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| Water Resistance | 5ATM+ / IP68 / MIL-STD-810H | WR100 / EN13319, recreational dives to 40 m |
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| Sensors | Samsung BioActive Sensor (optical heart rate, ECG, BIA), temperature, accelerometer, barometer, gyro, geomagnetic, light | — |
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| Connectivity | LTE, Bluetooth 6.0, Wi-Fi 2.4/5 GHz, NFC, L1+L5 dual-frequency GPS | Cellular, dual-frequency GPS (L1 + L5) |
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| Health Features | Sleep Apnea, Vitals, Heart Health Score, Daily Cardio Load, Fitness Index, Hearing | — |
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| OS | Wear OS 7 (One UI 9 Watch); requires Android 13+ phone with Google Mobile Services | watchOS 10 (at launch) |
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| Case Size | — | 49mm titanium |
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| Health Sensors | — | Heart rate, water temperature, sleep apnea detection, blood oxygen (calculated on paired iPhone) |
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