Samsung Galaxy Watch 4
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Product Description:
Design & Dimensions
Slim, round aluminum case in two sizes: 40 mm (approx. 25.9 g) and 44 mm (approx. 30.3 g).
Super AMOLED display with Always-On support, resolution ~396 × 396 px (40 mm) or 450 × 450 px (44 mm), protected by Gorilla Glass DX+.
Water- and dust-resistant (5 ATM/IP68) with MIL-STD-810G military certification.
Platform & Performance
Powered by a 5 nm Exynos W920 chip (dual-core 1.18 GHz CPU, Mali-G68 GPU), with 1.5 GB RAM and 16 GB storage.
Runs Wear OS 3 with Samsung’s One UI Watch interface—combines Google apps (Assistant, Maps, Pay) with Samsung’s polished UI.
Sensors & Health
Samsung BioActive Sensor for ECG, SpO₂, blood-pressure monitoring, and body-composition (BIA) analysis.
Continuous heart-rate tracking, plus gyroscope, accelerometer, barometer, compass; built-in GPS; NFC for Samsung Pay.
Battery & Charging
247 mAh (40 mm) or 361 mAh (44 mm) battery.
Real-world life: about 2 days (40–80 hours) on the 44 mm with Always-On off; the 40 mm lasts slightly less.
Wireless charging via included Qi dock—full charge in roughly 2–2.5 hours.
Sports & Fitness Tracking
Supports 90+ workout modes, VO₂ Max estimation, and multi-GNSS (GPS, A-GPS, GLONASS, Galileo, BDS).
Real-time workout guidance with heart-rate and SpO₂ monitoring, plus automatic activity detection.
Product Description
Design & Dimensions
Slim, round aluminum case in two sizes: 40 mm (approx. 25.9 g) and 44 mm (approx. 30.3 g).
Super AMOLED display with Always-On support, resolution ~396 × 396 px (40 mm) or 450 × 450 px (44 mm), protected by Gorilla Glass DX+.
Water- and dust-resistant (5 ATM/IP68) with MIL-STD-810G military certification.
Platform & Performance
Powered by a 5 nm Exynos W920 chip (dual-core 1.18 GHz CPU, Mali-G68 GPU), with 1.5 GB RAM and 16 GB storage.
Runs Wear OS 3 with Samsung’s One UI Watch interface—combines Google apps (Assistant, Maps, Pay) with Samsung’s polished UI.
Sensors & Health
Samsung BioActive Sensor for ECG, SpO₂, blood-pressure monitoring, and body-composition (BIA) analysis.
Continuous heart-rate tracking, plus gyroscope, accelerometer, barometer, compass; built-in GPS; NFC for Samsung Pay.
Battery & Charging
247 mAh (40 mm) or 361 mAh (44 mm) battery.
Real-world life: about 2 days (40–80 hours) on the 44 mm with Always-On off; the 40 mm lasts slightly less.
Wireless charging via included Qi dock—full charge in roughly 2–2.5 hours.
Sports & Fitness Tracking
Supports 90+ workout modes, VO₂ Max estimation, and multi-GNSS (GPS, A-GPS, GLONASS, Galileo, BDS).
Real-time workout guidance with heart-rate and SpO₂ monitoring, plus automatic activity detection.