Garmin Forerunner 55 vs. Garmin fēnix 7S Sapphire Solar

Smartwatch Comparison, Reviews and Tests

Detailed comparison and review of Garmin Forerunner 55 and Garmin fēnix 7S Sapphire Solar. 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 55 vs. Garmin fēnix 7S Sapphire Solar Comparison Chart
GENERAL Garmin Forerunner 55 Garmin fēnix 7S Sapphire Solar
Product Type Sport watch Sport watch
Supported Host Device OS iOS, Android iOS, Android
Activity/Sport - Multisport
Wearing Style Watch style Watch style
Width 42 mm -
Height 42 mm -
Depth 11.6 mm -
Weight 37 g -
Body Details - With band: 58 g
Case only: 42 g
Body Material - Titanium, fibre-reinforced polymer
Protection Waterproof Water-resistant
Colours Monterra grey -
Clock Display Yes Yes
FEATURES Garmin Forerunner 55 Garmin fēnix 7S Sapphire Solar
Sensors Accelerometer, optical heart sensor Accelerometer, thermometre, gyro sensor, barometric altimeter, electromagnetic compass, optical heart sensor, Pulse Ox sensor
Tracking Data Distance, time, speed, calories burned, sleep activity, heart rate, stress level Distance, speed, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, pace, stress level, respiratory rate, active time, water balance, temperature
Goal Setting Yes Yes
Features Music remote handling, idle alert, Garmin Connect compatible, Body Battery Music remote handling, find phone function, VIRB control, inactivity alert, Move IQ, Find my Device, Downloadable workouts, store & play music, rejecting a call, LiveTrack, Physio TrueUp, PacePro pace guidance, solar charging, animated workouts, weather information, dual grid coordinates format, Body Battery Energy Monitor
Notifications Calendar, Email, social apps Calendar, SMS, Email, social apps, incoming calls, high and low heart rate
Vibrating Alert Yes Yes
Feedback Type - Audio alert, vibration alert, visual interface
Navigation (GPS) GPS receiver GPS/GLONASS/Galileo receiver
Payment Technology - Garmin Pay
CONNECTIVITY Garmin Forerunner 55 Garmin fēnix 7S Sapphire Solar
Wireless Interface Bluetooth, ANT+ Bluetooth, Wi-Fi, ANT+
DISPLAY Garmin Forerunner 55 Garmin fēnix 7S Sapphire Solar
Type Memory-in-Pixel LCD - colour - transflective Memory-in-Pixel LCD - colour - transflective
Resolution 208 x 208 pixels 240 x 240 pixels
Screen Size 1.04" 1.2"
Screen Protection Chemically strengthened glass Power Sapphire
INPUT DEVICE Garmin Forerunner 55 Garmin fēnix 7S Sapphire Solar
Type Touch buttons Touch sensitive screen, push buttons
CASE Garmin Forerunner 55 Garmin fēnix 7S Sapphire Solar
Case Size - 42 mm
Case Shape Round Round
Bezel - Titanium
Case Back - Metal
Case Details Black | White | Aqua green Titanium carbon grey DLC | Cream gold titanium | Dark bronze titanium
BAND Garmin Forerunner 55 Garmin fēnix 7S Sapphire Solar
Band Type Band Band
Band Width - 20 mm
Fits Wrist with Circumference - 108-182 mm
Changeable Yes Yes
Clasp Type Buckle Buckle
Band Material Silicone Silicone
Band Colour Black | White | Aqua green Black | Light sand | Shale grey | Heathered cream
STORAGE Garmin Forerunner 55 Garmin fēnix 7S Sapphire Solar
Storage Capacity - 32 GB
BATTERY Garmin Forerunner 55 Garmin fēnix 7S Sapphire Solar
Technology - Lithium Ion
Battery Life 14 day(s) -
Battery Life Details GPS mode - up to 20 hour(s)
Smartwatch mode - up to 14 days
Smartwatch mode - up to 11 days
Smartwatch mode (with solar) - up to 14 days
Battery Saver Watch Mode - up to 38 days
Battery Saver Watch Mode (with solar) - up to 87 days
GPS mode - up to 37 hour(s)
GPS mode (with solar) - up to 46 hour(s)
All satellite systems mode - up to 26 hours
All satellite systems mode (with solar) - up to 30 hours
All satellite systems with music mode - up to 7 hour(s)
Max Battery GPS Mode - up to 90 hour(s)
Max Battery GPS Mode (with solar) - up to 162 hour(s)
Expedition GPS Mode - up to 26 days
Expedition GPS Mode (with solar) - up to 43 days
Rechargeable Battery Yes Yes
MISCELLANEOUS Garmin Forerunner 55 Garmin fēnix 7S Sapphire Solar
Included Accessories Charging/data cable Charging/data cable
SAR Value - 0.32 W/kg (body), 0.32 W/kg (limb)
Max Depth of Water Resistance 50 m 100 m
Max Operating Temperature - 45 °C
Min Operating Temperature - -20 °C
Warranty 1-year warranty -
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