Garmin Forerunner 45S vs. Samsung Galaxy Watch 3

Smartwatch Comparison, Reviews and Tests

Detailed comparison and review of Garmin Forerunner 45S and Samsung Galaxy Watch 3. 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 Forerunner 45S vs. Samsung Galaxy Watch 3 Comparison Chart
GENERAL Garmin Forerunner 45S Samsung Galaxy Watch 3
Product Type Sport watch Smart watch
Operating System - Tizen OS 5.5
Supported Host Device OS iOS, Android iOS 9 or later, Android 5.0 (Lollipop) or later
Wearing Style Watch style Watch style
Audio Input - Microphone
Width 39.5 mm 41 mm
Height 39.5 mm 42.5 mm
Depth 11.4 mm 11.3 mm
Weight 32 g 48.2 g
Body Material - Stainless steel
Protection Waterproof Waterproof
Clock Display Yes Yes
FEATURES Garmin Forerunner 45S Samsung Galaxy Watch 3
Sensors Accelerometer, heart rate Accelerometer, ambient light sensor, barometer, gyro sensor, optical heart sensor, electrical heart sensor
Tracking Data Distance, time, speed, calories burned, sleep activity, heart rate, stress level Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood pressure
Goal Setting Yes Yes
Features Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device Music remote handling, ECG accurate heart rate, find phone function, VO2 max, automatic exercise recognition, Fall detection, Wireless PowerShare support
Notifications Calendar, Email, social apps SMS, social apps, incoming calls
Vibrating Alert Yes Yes
Feedback Type - Vibration alert, visual interface
Digital Player - MP3, WMA, WAV, AAC, AMR, MP4, OGG, 3GA, AWB, OGA
Navigation (GPS) - GPS/GLONASS/Galileo/BeiDou receiver
CONNECTIVITY Garmin Forerunner 45S Samsung Galaxy Watch 3
Wireless Interface Bluetooth, ANT+ IEEE 802.11b/g/n, NFC, Bluetooth 5.0
Bluetooth Profiles - Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
DISPLAY Garmin Forerunner 45S Samsung Galaxy Watch 3
Type Memory-in-Pixel LCD - colour - transflective Super AMOLED - colour
Resolution 208 x 208 pixels 360 x 360 pixels
Screen Size 1.04" 1.2"
Aspect Ratio - Full circle
Screen Protection - Corning Gorilla Glass DX (scratch resistant glass)
Always On Display (AOD) - Yes
INPUT DEVICE Garmin Forerunner 45S Samsung Galaxy Watch 3
Type - Touch sensitive screen, rotating bezel
CASE Garmin Forerunner 45S Samsung Galaxy Watch 3
Case Size - 41 mm
Case Shape Round Round
Case Details White | Iris | Black Mystic bronze | Mystic silver
BAND Garmin Forerunner 45S Samsung Galaxy Watch 3
Band Type Band Band
Band Size S -
Band Width - 20 mm
Fits Wrist with Circumference 124-185 mm -
Changeable Yes Yes
Clasp Type Buckle Buckle
Band Material Silicone Leather
Band Colour White | Iris | Black -
STORAGE Garmin Forerunner 45S Samsung Galaxy Watch 3
Storage Capacity - 8 GB
User Memory - 4.3 GB
RAM Garmin Forerunner 45S Samsung Galaxy Watch 3
RAM Size - 1 GB
CPU Garmin Forerunner 45S Samsung Galaxy Watch 3
Manufacturer - Samsung
CPU Type - Exynos 9110
Clock Speed - 1.15 GHz
BATTERY Garmin Forerunner 45S Samsung Galaxy Watch 3
Capacity - 247 mAh
Battery Life - 120 hours
Battery Life Details GPS mode - up to 13 hour(s)
Smartwatch mode - up to 7 days
Typical usage - up to 43 hour(s)
Low usage - up to 120 hour(s)
Rechargeable Battery - Yes
Wireless Charging - Yes
Wireless Charging Standards - WPC
MISCELLANEOUS Garmin Forerunner 45S Samsung Galaxy Watch 3
Included Accessories Charging/data cable Wireless charging dock
Compliant Standards - MIL-STD 810G, IP68
SAR Value - 0.209 W/kg (head), 0.294 W/kg (limb)
Max Depth of Water Resistance 50 m 50 m
Manufacturer Model Number - SM-R850
Warranty - 2-year warranty
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