Lecture Notes: Samsung Galaxy Watch 7 Overview

Key Features and Improvements

Design and Build
- Resembles Galaxy Watch 6
- Aluminum design
- Two sizes: 40mm and 44mm
- Two colors: Green, Cream/Silver (depending on size)
- IP68 water resistance, 5 atmospheres
- Sapphire crystal face
- Weights and Pricing
  - Approximately half weight and half price of Galaxy Watch Ultra
  - Price: $299 (smaller size), Ultra: $650
Bands and Compatibility
- Three band options: Sport band, Fabric band, Athleisure band
- Standard 20mm pin straps, easily replaceable
- Different mechanisms from Galaxy Watch Ultra straps, not interchangeable

Display
- Sizes: 1.31" or 1.47"
- Super AMOLED
- 330 PPI
- Digital rotating bezel for UI navigation
Sensors and Features
- New bioactive sensor shared with Galaxy Watch Ultra
- Measures heart rate, blood oxygen, temperature, etc.
- ECG function on side buttons
- Advanced heart rate tracking, comparable to Garmin watches
- Sleep tracking with apnea detection and sleep coaching
- Cycle tracking and other health metrics

User Interface (UI)
- Familiar UI with new tweaks
- Digital rotating bezel for easy navigation
- Customizable watch faces
- Enhanced quick settings and app navigation
New Features
- Energy Score: Single readiness score similar to Fitbit and Garmin
- Custom Workout Routines: Create personalized multi-sport modes
- Advanced sleep tracking, including snoring and sleep apnea detection
- AI-Suggested Replies for contextual text responses
- Gestures: Double pinch, knock knock, double shake

Hardware
- 2GB RAM, 32GB storage
- New 5-core chip, W1000, 3 NM
- Bluetooth 5.3 support
Battery Life
- Larger version: 435mAh, Smaller version: 300mAh
- Expected battery life: 1-2 days

GPS and Tracking
- Dual-band GPS for accurate tracking
- New workout start defaults (manual for runs, countdown for walks)
- Improved tracking for various activities
Heart Rate Analysis
- Comparison with Polar H10 strap
- Accurate steady-state runs, some lag during intervals
- Comparable to Garmin Epix Pro 2