Garmin fēnix 3 vs Garmin fēnix 5

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

fēnix 3 compared with fēnix 5

	Garminfēnix 3	Garminfēnix 5
Overview
Released
Released	2015	March 2017
Display
Case sizes
Case sizes	51 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 (30.4 mm) sunlight-readable transflective colour MIP display, 218 x 218 pixels, with button controls.	1.2-inch (30.5 mm) always-on transflective colour display, 240 x 240 pixels, with button controls.
Health and fitness
ECG
ECG	No	No
Blood oxygen
Blood oxygen	No	No
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	100 m
Sensors
Sensors	GPS, GLONASS, barometric altimeter, three-axis compass and accelerometer. Heart rate requires an optional ANT+ sensor.	GPS, GLONASS, Garmin Elevate wrist heart rate, barometric altimeter, three-axis compass, gyroscope, accelerometer and thermometer.
Health features
Health features	Steps and sleep tracking; no built-in optical heart-rate sensor.	Wrist heart rate, steps, sleep and stress tracking.
Fitness features
Fitness features	Running, cycling, pool and open-water swimming, triathlon, hiking and skiing profiles; breadcrumb courses, TracBack, VO2 max estimate, recovery advisor and race predictor when paired with a heart-rate sensor. Running dynamics require an HRM-Run strap.	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.
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 42 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 six weeks in watch mode, 20 hours in GPS training mode or 50 hours in UltraTrac mode, according to the grey model's specification.	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.
Charging
Charging	Rechargeable 300 mAh lithium-ion battery with USB charging cable.	Rechargeable lithium-ion battery.
Connectivity
Connectivity	Bluetooth and ANT+; smart notifications, Connect IQ apps, Garmin Connect, LiveTrack through a paired phone and phone music controls.	ANT+ and Bluetooth smartphone pairing; smart notifications, Garmin Connect and Connect IQ; phone music controls.
Storage
Storage	32 MB built-in memory, with 23 MB available; stores up to 1,000 waypoints, 50 routes and 100 saved tracks.	–
Design
Weight (lightest version)
Weight (lightest version)	82 g (better)	85 g
Software
Software	Garmin	Garmin
Case materials
Case materials	Stainless steel EXO antenna/bezel and fibre-reinforced housing with silicone band; 10 ATM water rating.	Stainless steel bezel, buttons and rear case with silicone band; 10 ATM water rating.
Size
Size	51 x 51 x 16 mm; 82 g.	47 x 47 x 15.5 mm; 85 g with silicone band.
Bands
Bands	–	QuickFit interchangeable band.
Colours
Colours	Grey case with black band.	Grey case with black silicone band.