| Display | 1.4" AMOLED, 454 x 454 pixels, touchscreen, optional always-on mode, Corning Gorilla Glass 3 | 1.3" (43mm) 432x432 / 1.5" (47mm) 480x480 Super AMOLED, sapphire crystal, Always On Display, 2,000 nits peak |
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| Case | 45 x 45 x 12 mm, 30 g (47 g with band), stainless steel bezel, fiber-reinforced polymer case, 22 mm quick-release silicone band | 43mm: 42.5 x 42.5 x 10.9 mm, 52.0 g / 47mm: 46.5 x 46.5 x 10.9 mm, 59.0 g, rotating bezel |
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| Battery | Up to 14 days smartwatch mode (5 days always-on display), up to 26 hours GPS-only | Up to 40 hours (Always On Display off) / up to 30 hours (on); 300 mAh (43mm) / 425 mAh (47mm) |
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| Water Resistance | 5 ATM | 5ATM + IP68, MIL-STD-810H |
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| Memory | 8GB | 2GB RAM + 16GB storage |
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| Sensors | Elevate wrist heart rate, Pulse Ox, GPS/GLONASS/Galileo, barometric altimeter, compass, gyroscope, accelerometer, ambient light | Samsung BioActive Sensor (optical heart rate, electrical heart signal, bioelectrical impedance), temperature, accelerometer, barometer, gyro, geomagnetic, light, 3D Hall sensor |
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| Connectivity | Bluetooth, ANT+, Wi-Fi, built-in speaker and microphone for calls | Bluetooth 5.3, Wi-Fi 2.4+5GHz, NFC, GPS/GLONASS/BeiDou/Galileo, optional LTE |
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| Features | Garmin Pay, music storage, ECG app (where available), sleep coach, Body Battery, wheelchair mode | Sleep coaching, body composition, ECG and blood pressure (select markets, Samsung phone), irregular heart rhythm notification, skin temperature, fall detection, Samsung Wallet |
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| Chipset | — | Exynos W930 dual-core 1.4GHz |
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| OS | — | Wear OS 4 (Wear OS Powered by Samsung), One UI 5 Watch |
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| Compatibility | — | Android 10 or higher with more than 1.5GB of memory |
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