Garmin Forerunner 45 vs. Garmin epix Gen 2

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Garmin Forerunner 45 and Garmin epix Gen 2. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.

Smartwatch Specifications Comparison

Garmin Forerunner 45 vs. Garmin epix Gen 2 Comparison Chart
GENERAL Garmin Forerunner 45 Garmin epix Gen 2
Product Type Smart 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 11.4 mm -
Weight 36 g -
Body Details - With band: 76 g
Case only: 53 g
Body Material - Steel, fibre-reinforced polymer
Protection Waterproof Water-resistant
Clock Display Yes Yes
FEATURES Garmin Forerunner 45 Garmin epix Gen 2
Sensors Accelerometer, heart rate Accelerometer, barometer, altimeter, optical heart sensor, 3-axis electronic compass
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
Goal Setting Yes Yes
Features Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device 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, animated workouts, weather information, dual grid coordinates format, Body Battery Energy Monitor
Notifications Calendar, Email, social apps Calendar, SMS, Email, incoming calls, high and low heart rate
Vibrating Alert Yes Yes
Feedback Type - Audio alert, vibration alert, visual interface
Navigation (GPS) - GPS/GLONASS/Galileo receiver
Payment Technology - Garmin Pay
CONNECTIVITY Garmin Forerunner 45 Garmin epix Gen 2
Wireless Interface Bluetooth, ANT+ Bluetooth, Wi-Fi, ANT+
DISPLAY Garmin Forerunner 45 Garmin epix Gen 2
Type Memory-in-Pixel LCD - colour - transflective AMOLED - colour
Resolution 208 x 208 pixels 416 x 416 pixels
Screen Size 1.04" 1.3"
Screen Protection - Corning Gorilla Glass DX (scratch resistant glass)
Always On Display (AOD) - Yes
INPUT DEVICE Garmin Forerunner 45 Garmin epix Gen 2
Type - Touch sensitive screen, push buttons
CASE Garmin Forerunner 45 Garmin epix Gen 2
Case Shape Round Round
Bezel - Passivated stainless steel
Case Back - Steel
Case Details Black Slate steel
BAND Garmin Forerunner 45 Garmin epix Gen 2
Band Type Band Band
Band Size L -
Band Width - 22 mm
Fits Wrist with Circumference 129-197 mm 125-208 mm
Changeable Yes Yes
Clasp Type Buckle Buckle
Band Material Silicone Silicone
Band Colour Black | Lava red -
STORAGE Garmin Forerunner 45 Garmin epix Gen 2
Storage Capacity - 16 GB
BATTERY Garmin Forerunner 45 Garmin epix Gen 2
Technology - Lithium Ion
Battery Life Details GPS mode - up to 13 hour(s)
Smartwatch mode - up to 7 days
Smartwatch mode - up to 16 days
Battery Saver Watch Mode - up to 21 days
GPS mode - up to 42 hour(s)
All satellite systems mode - up to 32 hours
All satellite systems with music mode - up to 10 hour(s)
Max Battery GPS Mode - up to 75 hour(s)
Expedition GPS Mode - up to 14 days
Rechargeable Battery - Yes
MISCELLANEOUS Garmin Forerunner 45 Garmin epix Gen 2
Included Accessories Charging/data cable Charging/data cable
SAR Value - 0.32 W/kg (body), 0.28 W/kg (limb)
Max Depth of Water Resistance 50 m 100 m
Max Operating Temperature - 45 °C
Min Operating Temperature - -20 °C
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