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Garmin
Garmin Sports Watch Garmin

Garmin Forerunner 945 LTE

Works with
iPhone and Android
Display
MIP, 1.2 in
Case sizes
44.4 mm
Battery
14 days
GPS battery
35 hours
Water resistance
5 ATM
Weight
49 g
Cellular
LTE version
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Garmin Forerunner 945 LTE at a glance

Garmin Forerunner 945 LTE full specifications

Overview

Brand Garmin
Model Forerunner 945 LTE
Series Forerunner

Platform & apps

Works with iPhone and Android phones, running Garmin.

It has an app store for extra apps and watch faces. A paid plan adds extra insights, but the core features are free.

Operating system Garmin
Works with iPhone and Android
Storage 16 GB
App store Yes
Subscription Optional

Display

A memory-in-pixel screen: always on, easy to read in sunlight and very light on the battery.

1.2 in.

Display type MIP
Screen size 1.2 in
Resolution 240 x 240
Colour display Yes

Design & durability

A 44.4 mm case weighing 49 g.

Rated 5 ATM: fine for swimming laps and showers.

Case sizes 44.4 mm
Dimensions 44.4 x 44.4 x 13.9 mm
Thickness 13.9 mm
Weight (case) 49 g
Bezel material fiber-reinforced polymer
Lens Corning Gorilla Glass 3 DX
Band material silicone
Band width 22 mm
Band fitting QuickFit 22 mm
Fits wrists 128-218 mm
Water resistance 5 ATM

Battery

Around two weeks: up to 14 days in smartwatch mode.

With GPS on, up to 35 hours. Makers test with their own settings, so treat these as best-case figures.

Battery (smartwatch mode) 14 days
Battery (GPS) 35 hours
All battery modes Smartwatch: 14 days; GPS: 12 hours; GPS: 10 hours; GPS: 7 hours; GPS: 35 hours
Charging proprietary-plug

GPS & navigation

Built-in GPS, so you can record runs and rides without your phone.

Maps come preloaded on the watch.

GPS Built-in
Satellite systems GPS, GLONASS, Galileo
Maps Preloaded maps
Navigation features back-to-start, round-trip routing, climb planner, waypoints, course import
Golf courses 43,000

Health & sensors

Tracks heart rate around the clock, plus blood oxygen and HRV.

For sleep, it offers a nightly sleep score.

Sensors optical HR, SpO2, barometer, compass, gyroscope, accelerometer, thermometer
Heart-rate sensor Garmin Elevate
Heart-rate tracking 24/7
High/low heart-rate alerts Yes
Heart-rate variability Yes
Blood oxygen (SpO2) Yes
Respiration rate Yes
Sleep tracking Sleep score
Stress tracking Yes
Energy score Body Battery
Cycle tracking Yes

Safety

Has an emergency SOS feature.

SOS works over its own LTE connection. Live tracking lets friends follow your workouts.

Emergency SOS From the watch (LTE)
Incident detection Yes
Live tracking Yes

Training

Built for training, with the metrics serious athletes use.

It adds a triathlon mode and running power.

Auto activity detection Yes
Triathlon / multisport Yes
Swim tracking Pool and open water
Underwater heart rate Yes
Training metrics VO2 max, training load, training effect, recovery time, race predictor, endurance score, lactate threshold, HRV status
Running dynamics Yes
Wrist running power Yes
Strength rep counting Yes
Heart-rate broadcast Yes
External sensors ANT+, Bluetooth HR strap, power meter, foot pod, speed/cadence, bike radar/lights, golf club tags

Smart features

Smart extras include an LTE version, contactless payments and music storage.

LTE needs a carrier plan.

Notifications Yes
Message replies Android
Contactless payments Yes
Payment service Garmin Pay
Cellular LTE version available
Music storage Yes
Find my phone Yes

Diving, golf & more

Specialist modes golf, tactical

Specs compiled from Garmin's product pages and datasheets. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.

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