smartwatches

Samsung Galaxy Watch8 (44mm, LTE, Graphite)

SamsungWear OS 6 (One UI Watch 8)2025

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Device Specifications

Detailed technical specifications and features for the Samsung Galaxy Watch8 (44mm, LTE, Graphite)

Processor

ProcessorExynos W1000 (3 nm, Penta-core)

Display

Display1.73" Super AMOLED (480x480 pixels, 327 PPI), 3,000 nits peak brightness, Always-on display, Sapphire crystal glass

Battery

Battery LifeUp to 40 hours (AOD off) / Up to 30 hours (AOD on) / 435 mAh capacity

ChargingWireless Fast Charging (takes approx. 2 hours to full charge, 50% in 30 minutes)

Sensors

SensorsBioActive Sensor (Optical Heart Rate + Electrical Heart Signal + Bioelectrical Impedance Analysis - BIA), Temperature Sensor (Infrared), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Dual-Frequency GPS (L1+L5), Sleep Monitor (tracks sleep stages, consistency, heart rate, blood oxygen), Pedometer, Stress Monitor, Vascular Load Monitoring, Anti-oxidant Index (Carotenoid levels), AGEs Index (Advanced Glycation End-products)

Water Resistance

Water Resistance5 ATM (up to 50m depth) + IP68 (dust/water resistant up to 1.5m depth for 30 mins) + MIL-STD-810H certified

Connectivity

ConnectivityLTE (eSIM), Bluetooth 5.3, Wi-Fi (2.4GHz & 5GHz), NFC, Dual-Frequency GPS (L1+L5)

Physical Aspects

DesignRound dial, Armor Aluminum frame, Sapphire crystal front, interchangeable straps (Sport band), two side buttons

Weight34g

Features

Special FeaturesBluetooth Calling (LTE variant, eSIM support), AI Voice Assistant (Google Gemini compatible), Multi-sport Tracking (including automatic detection for running, elliptical, rowing machine, pool swim), Galaxy AI Energy Score (analyzes workouts, sleep, heart signals for daily forecast), Personalized HR Zone for running, Sleep Coaching (requires 7 days sleep data for sleep type, 3-4 week program), Running Coach (test-based level identification, personalized program), Fall Detection (with emergency contacts and Medical info display), Emergency SOS (activated by holding Home button for 5 secs), Blood Pressure Monitoring (requires cuff-based monitor for calibration), ECG (Electrocardiogram), Irregular Heart Rhythm Notification (IHRN) / AFib detection, Body Composition Analysis (BIA), Workout Auto Detection, Smart Notifications (calls, messages, social media, quick replies via AI), Music Control (with 32GB storage, TWS pairing), Find My Phone, Weather Forecast, Alarm/Timer/Stopwatch, Samsung Health app integration (syncs data, supports Google Fit/Apple Health sync), TWS Earbud Connectivity, One UI Watch 8 features (multi-info tile, streamlined notifications, Now bar, widgets)