Garmin Approach S20 vs. Apple Watch Series 9 (GPS)

Smartwatch Comparison, Reviews and Tests

Detailed comparison and review of Garmin Approach S20 and Apple Watch Series 9 (GPS). With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.

Smartwatch Specifications Comparison

Garmin Approach S20 vs. Apple Watch Series 9 (GPS) Comparison Chart
GENERAL Garmin Approach S20 Apple Watch Series 9 (GPS)
Product Type Sport watch Smart watch
Operating System - WatchOS 10
Supported Host Device OS iOS, Android iOS 17 or later
Activity/Sport Golf -
Wearing Style Watch style Watch style
Audio Input - Microphone
Audio Output - Speaker
Body Details Sensor: 13 mm x 27 mm 9 g Case only: 31.9 g
Body Material - 100% recycled aluminium
Protection Waterproof Water-resistant, dust-resistant, crack-resistant
Clock Display Yes Yes
FEATURES Garmin Approach S20 Apple Watch Series 9 (GPS)
Sensors Accelerometer Digital compass, electrical heart sensor, blood oxygen sensor, optical heart sensor (3d gen), always-on altimeter, temperature sensor, high-g accelerometer, gyroscope with high dynamic range
Tracking Data Distance, time, calories burned, activity, heart rate, steps taken Distance, time, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, mental wellbeing
Goal Setting Yes Yes
Features Sunlight readable, Garmin Connect compatible, TrueUp, Garmin AutoShot, TruSwing Fall detection, Emergency SOS, brightness: 2000 nits, Family Setup support, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, fast charge, precision finding for iPhone, elevation view
Notifications Applications Calendar, SMS, Email, applications, high and low heart rate, irregular rhythm, cardio fitness
Vibrating Alert - Yes
Feedback Type - Audio alert, vibration alert, visual interface
Navigation (GPS) GPS receiver GPS/GLONASS/Galileo/BeiDou/QZSS receiver
Payment Technology - Apple Pay
Internet of Things (IoT) Compatible - Yes
IoT Intelligent Assistant - Siri
IoT Voice Controlled - Direct
CONNECTIVITY Garmin Approach S20 Apple Watch Series 9 (GPS)
Wireless Interface Bluetooth, ANT+ IEEE 802.11b/g/n, Ultra-Wideband (UWB), Bluetooth 5.3
DISPLAY Garmin Approach S20 Apple Watch Series 9 (GPS)
Type Memory-in-Pixel LCD - monochrome Retina LTPO OLED - colour
Resolution 128 x 128 pixels 352 x 430 pixels
Dimensions (WxH) 23 mm x 23 mm -
Screen Protection - Ion-X glass
Always On Display (AOD) - Yes
INPUT DEVICE Garmin Approach S20 Apple Watch Series 9 (GPS)
Type Single push-button Touch sensitive screen, side button, double tap gesture
CASE Garmin Approach S20 Apple Watch Series 9 (GPS)
Case Size - 41 mm
Crystal Type Chemically strengthened glass -
Case Shape Rounded square Rectangular
Case Back - Sapphire crystal and ceramic back
Case Details - Starlight aluminium | Red aluminium | Midnight aluminium | Pink aluminum | Silver aluminium
Crown Type - Digital with haptic feedback
BAND Garmin Approach S20 Apple Watch Series 9 (GPS)
Band Type Strap Sport band
Band Size - M/L
Fits Wrist with Circumference - 150-200 mm
Changeable - Yes
Clasp Type Buckle Pin-and-tuck
Band Material Silicone Fluoroelastomer
Band Colour Black Starlight | Red | Midnight | Light pink | Storm blue | Winter blue
STORAGE Garmin Approach S20 Apple Watch Series 9 (GPS)
Storage Capacity 64 MB 64 GB
CPU Garmin Approach S20 Apple Watch Series 9 (GPS)
Manufacturer - Apple
CPU Type - S9 SiP
Features - W3 Apple wireless chip, second-generation Ultra Wideband chip, 4-core Neural Engine
BATTERY Garmin Approach S20 Apple Watch Series 9 (GPS)
Technology Lithium Ion Lithium Ion
Battery Life 56 day(s) 18 hours
Battery Life Details Smartwatch mode - up to 56 days
GPS mode - up to 15 hours
Typical usage - up to 18 hour(s)
Low power mode - up to 36 hour(s)
Rechargeable Battery Yes Yes
Wireless Charging - Yes
MISCELLANEOUS Garmin Approach S20 Apple Watch Series 9 (GPS)
Included Accessories Charging/data cable Magnetic fast charger to USB-C cable (1 m)
Preloaded Software Calendar, Time, Alarm Clock GymKit
Compliant Standards - IP6X, BFR-free, PVC-free, Beryllium-free, Mercury-free, Arsenic-free
Specific Absorption Rate (SAR) - 0.12 W/kg (head)
0.29 W/kg (limb)
Carbon Footprint - 0 kg carbon emissions
Max Depth of Water Resistance 50 m 50 m
Max Operating Temperature 60 °C -
Min Operating Temperature -20 °C -
Manufacturer Model Number - A2978
Warranty 1-year warranty -
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