Garmin fēnix 6 vs Garmin Forerunner 935

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

Better figure, where one is clearly better

fēnix 6 compared with Forerunner 935
Garminfēnix 6GarminForerunner 935
Overview
ReleasedAugust 2019March 2017
Display
Case sizes47 mm47 mm
PanelMemory-in-pixelMemory-in-pixel
Always-on displayYesYes
Display detail1.3-inch (33.02 mm) always-on transflective colour memory-in-pixel display, 260 x 260 pixels, with five buttons.1.2-inch (30.4 mm) sunlight-readable transflective colour MIP display, 240 x 240 pixels, with button controls.
Screen protectionCorning Gorilla Glass 3.Glass lens.
Health and fitness
ECGNoNo
Blood oxygenYesNo
Skin temperatureNoNo
Sleep apnoea alertsNoNo
High blood pressure alertsNoNo
Body compositionNoNo
Fall detectionNoNo
Crash detectionNoNo
GPSSingle-bandSingle-band
Water resistance100 m (better)50 m
SensorsGPS, GLONASS, Galileo, Garmin Elevate wrist heart rate, Pulse Ox, barometric altimeter, compass, gyroscope, accelerometer and thermometer.GPS, GLONASS, Garmin Elevate wrist heart rate, barometric altimeter, compass, gyroscope and accelerometer.
Health featuresPulse Ox for sleep or altitude acclimation, sleep, stress and Body Battery energy monitoring.All-day heart rate, steps, sleep and intensity minutes.
Fitness featuresRunning and cycling metrics, multisport profiles, ClimbPro, PacePro, power manager, expedition GPS mode and course navigation.Running, cycling, pool and open-water swimming, triathlon, skiing, hiking and golf profiles; auto multisport switching, training status and load, aerobic and anaerobic training effect, VO2 max, recovery time and course guidance. Running dynamics require a compatible strap or Running Dynamics Pod.
Safety featuresIncident detection and assistance require a paired smartphone.–
Battery and connections
Battery life (maker's claim)Up to 14 daysUp to 14 days
Mobile data optionNoNo
Works withiPhone and AndroidiPhone and Android
Battery life detailUp to 14 days in smartwatch mode, 36 hours in GPS mode or 48 days in battery saver watch mode.Up to two weeks in smartwatch mode, 21 hours in GPS/heart-rate mode or 44 hours in UltraTrac without wrist heart rate per Garmin Singapore's exact specification table. Garmin's US launch release instead stated 24 GPS hours and 50 UltraTrac hours without matching those conditions.
ChargingInternal rechargeable lithium battery.Rechargeable lithium-ion battery with Garmin charging cable.
ConnectivityBluetooth Smart and ANT+; smart notifications, Connect IQ, Garmin Pay and phone music controls. The standard model does not store music.Bluetooth Smart, ANT+ and Wi-Fi; smart notifications, Connect IQ, Garmin Connect, LiveTrack and phone music controls.
Storage–64 MB memory/history.
Design
Weight (lightest version)80 g49 g (better)
SoftwareGarminGarmin
Case materialsStainless steel bezel, fibre-reinforced polymer case with metal rear cover and silicone band; 10 ATM water rating.Fibre-reinforced polymer case and bezel with silicone band; 5 ATM water rating.
Size47 x 47 x 14.7 mm; 80 g with silicone band, 57 g case only.47 x 47 x 13.9 mm; 49 g.
BandsQuickFit 22 mm band; silicone band fits wrists 125–208 mm.QuickFit 22 mm interchangeable band.
ColoursSilver bezel with black case and band.Black case with force yellow band.

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