Garmin Forerunner 45S vs. Garmin fēnix 6X Sapphire

Smartwatch Comparison, Reviews and Tests

Detailed comparison and review of Garmin Forerunner 45S and Garmin fēnix 6X Sapphire. 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. Garmin fēnix 6X Sapphire Comparison Chart
GENERAL Garmin Forerunner 45S Garmin fēnix 6X Sapphire
Product Type Sport watch Sport watch
Supported Host Device OS iOS, Android iOS, Android
Wearing Style Watch style Watch style
Width 39.5 mm 51 mm
Height 39.5 mm 51 mm
Depth 11.4 mm 14.9 mm
Weight 32 g 66 g
Body Material - Titanium, fibre-reinforced polymer
Protection Waterproof Waterproof
Clock Display Yes Yes
FEATURES Garmin Forerunner 45S Garmin fēnix 6X Sapphire
Sensors Accelerometer, heart rate Accelerometer, barometric altimeter, pulse oximeter, 3-axis compass, optical 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 oxygen saturation
Goal Setting Yes Yes
Features Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device Bluetooth Smart technology, store & play music, PacePro pace guidance
Notifications Calendar, Email, social apps SMS, social apps, incoming calls
Vibrating Alert Yes Yes
Navigation (GPS) - GPS/GLONASS/Galileo receiver
CONNECTIVITY Garmin Forerunner 45S Garmin fēnix 6X Sapphire
Wireless Interface Bluetooth, ANT+ Bluetooth, Wi-Fi, ANT+
DISPLAY Garmin Forerunner 45S Garmin fēnix 6X Sapphire
Type Memory-in-Pixel LCD - colour - transflective Memory-in-Pixel LCD - colour - transflective
Resolution 208 x 208 pixels 280 x 280 pixels
Screen Size 1.04" 1.4"
Screen Protection - Sapphire glass
CASE Garmin Forerunner 45S Garmin fēnix 6X Sapphire
Case Shape Round Round
Case Details White | Iris | Black Carbon grey DLC
BAND Garmin Forerunner 45S Garmin fēnix 6X Sapphire
Band Type Band Band
Band Size S -
Fits Wrist with Circumference 124-185 mm 127-210 mm
Changeable Yes -
Clasp Type Buckle Buckle
Band Material Silicone Silicone
Band Colour White | Iris | Black Black
STORAGE Garmin Forerunner 45S Garmin fēnix 6X Sapphire
Storage Capacity - 32 GB
BATTERY Garmin Forerunner 45S Garmin fēnix 6X Sapphire
Technology - Lithium Ion
Battery Life Details GPS mode - up to 13 hour(s)
Smartwatch mode - up to 7 days
Smartwatch mode - up to 9 days
GPS mode - up to 60 hour(s)
Max Battery GPS Mode - up to 120 hour(s)
Expedition GPS Mode - up to 46 days
Battery Saver Watch Mode - up to 80 days
GPS with Music mode - up to 15 hour(s)
Rechargeable Battery - Yes
MISCELLANEOUS Garmin Forerunner 45S Garmin fēnix 6X Sapphire
Included Accessories Charging/data cable Charging/data cable
Max Depth of Water Resistance 50 m 100 m
Warranty - 1-year warranty
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