Garmin fēnix 5 vs Garmin Forerunner 945

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fēnix 5 compared with Forerunner 945

	Garminfēnix 5	GarminForerunner 945
Overview
Released
Released	March 2017	April 2019
Display
Case sizes
Case sizes	47 mm	47 mm
Panel
Panel	Memory-in-pixel	Memory-in-pixel
Always-on display
Always-on display	Yes	Yes
Display detail
Display detail	1.2-inch (30.5 mm) always-on transflective colour display, 240 x 240 pixels, with button controls.	1.2-inch (30.4 mm) transflective colour memory-in-pixel display, 240 x 240 pixels, with button controls.
Screen protection
Screen protection	–	Gorilla Glass 3 with DX coating.
Health and fitness
ECG
ECG	No	No
Blood oxygen
Blood oxygen	No	Yes
Skin temperature
Skin temperature	No	No
Sleep apnoea alerts
Sleep apnoea alerts	No	No
High blood pressure alerts
High blood pressure alerts	No	No
Body composition
Body composition	No	No
Fall detection
Fall detection	No	No
Crash detection
Crash detection	No	No
GPS
GPS	Single-band	Single-band
Water resistance
Water resistance	100 m (better)	50 m
Sensors
Sensors	GPS, GLONASS, Garmin Elevate wrist heart rate, barometric altimeter, three-axis compass, gyroscope, accelerometer and thermometer.	GPS, GLONASS, Galileo, Garmin Elevate wrist heart rate, Pulse Ox, barometric altimeter, compass, gyroscope, accelerometer and thermometer.
Health features
Health features	Wrist heart rate, steps, sleep and stress tracking.	Pulse Ox for sleep and altitude acclimation, advanced sleep, all-day stress and Body Battery energy monitoring.
Fitness features
Fitness features	Running, cycling, pool and open-water swimming, skiing, golf and paddle-sport profiles; training status, training effect, VO2 max, recovery advisor and course/track navigation. Running dynamics require a compatible heart-rate strap.	Running, cycling, swimming and triathlon profiles; training status and load focus, heat- and altitude-adjusted VO2 max, recovery time, Garmin Coach and full-colour maps with Trendline routing. Full running dynamics require a compatible strap or pod.
Safety features
Safety features	–	Incident detection and assistance require a paired smartphone; LiveTrack and Group LiveTrack.
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 14 days	Up to 14 days
Mobile data option
Mobile data option	No	No
Works with
Works with	iPhone and Android	iPhone and Android
Battery life detail
Battery life detail	Up to 14 days in smartwatch mode, 21 hours in GPS mode or 44 hours in UltraTrac with wrist heart rate on, according to the Singapore product specification.	Up to two weeks in smartwatch mode, 36 hours in GPS mode without music or ten hours with GPS and music.
Charging
Charging	Rechargeable lithium-ion battery.	Rechargeable battery with Garmin charging cable.
Connectivity
Connectivity	ANT+ and Bluetooth smartphone pairing; smart notifications, Garmin Connect and Connect IQ; phone music controls.	Bluetooth, ANT+ and Wi-Fi; Garmin Pay, smart notifications and on-watch music storage for up to 1,000 songs.
Design
Weight (lightest version)
Weight (lightest version)	85 g	50 g (better)
Software
Software	Garmin	Garmin
Case materials
Case materials	Stainless steel bezel, buttons and rear case with silicone band; 10 ATM water rating.	Fibre-reinforced polymer bezel and silicone band; 5 ATM water rating.
Size
Size	47 x 47 x 15.5 mm; 85 g with silicone band.	47 x 47 x 13.7 mm; 50 g.
Bands
Bands	QuickFit interchangeable band.	QuickFit-compatible 22 mm band; fits wrists 130–220 mm.
Colours
Colours	Grey case with black silicone band.	Black.