Garmin fēnix 5X vs Garmin fēnix 6

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

Better figure, where one is clearly better

fēnix 5X compared with fēnix 6
Garminfēnix 5XGarminfēnix 6
Overview
ReleasedMarch 2017August 2019
Display
Case sizes51 mm47 mm
Panel–Memory-in-pixel
Always-on displayYesYes
Display detailAlways-on transflective colour Garmin Chroma display, 1.2 inches (30.5 mm), 240 × 240 pixels, with LED backlight and physical buttons.1.3-inch (33.02 mm) always-on transflective colour memory-in-pixel display, 260 x 260 pixels, with five buttons.
Screen protection–Corning Gorilla Glass 3.
Health and fitness
ECGNoNo
Blood oxygenNoYes
Skin temperatureNoNo
Sleep apnoea alertsNoNo
High blood pressure alertsNoNo
Body compositionNoNo
Fall detectionNoNo
Crash detectionNoNo
GPSSingle-bandSingle-band
Water resistance100 m100 m
SensorsGPS, GLONASS, Garmin Elevate optical 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–Pulse Ox for sleep or altitude acclimation, sleep, stress and Body Battery energy monitoring.
Fitness featuresRunning, cycling, pool and open-water swimming, skiing, golf and paddle-sport profiles; training status, aerobic and anaerobic training effect, VO2 max estimates and recovery advice. Additional running dynamics require a compatible chest strap.Running and cycling metrics, multisport profiles, ClimbPro, PacePro, power manager, expedition GPS mode and course navigation.
Safety featuresPreloaded colour topographic and cycling maps, golf courses, round-trip route generation, turn-by-turn guidance and nearby points of interest. European editions have preloaded European topographic maps; map regions vary by market. TracBack and connected LiveTrack/GroupTrack also supported.Incident detection and assistance require a paired smartphone.
Battery and connections
Battery life (maker's claim)Up to 12 daysUp to 14 days
Mobile data optionNoNo
Works withiPhone and AndroidiPhone and Android
Battery life detailUp to twelve days in smartwatch mode, twenty hours in GPS mode or thirty hours in UltraTrac with wrist heart rate on, according to the Singapore specification; the European launch release quotes thirty-five hours UltraTrac.Up to 14 days in smartwatch mode, 36 hours in GPS mode or 48 days in battery saver watch mode.
ChargingRechargeable lithium-ion battery with USB charging/data cable.Internal rechargeable lithium battery.
ConnectivityWi-Fi, Bluetooth and ANT+; smartphone notifications, Garmin Connect uploads, Connect IQ apps and phone music controls.Bluetooth Smart and ANT+; smart notifications, Connect IQ, Garmin Pay and phone music controls. The standard model does not store music.
StorageSingapore specification lists 12 GB total and 8 GB available; 1,000 waypoints, fifty routes, 10,000 track points and 100 saved tracks.–
Design
Weight (lightest version)98 g80 g (better)
SoftwareGarminGarmin
Case materialsSapphire-glass lens, stainless-steel bezel, buttons and rear case; 10 ATM water rating.Stainless steel bezel, fibre-reinforced polymer case with metal rear cover and silicone band; 10 ATM water rating.
Size51 × 51 × 17.5 mm; 98 g with silicone band.47 x 47 x 14.7 mm; 80 g with silicone band, 57 g case only.
BandsQuickFit interchangeable bands.QuickFit 22 mm band; silicone band fits wrists 125–208 mm.
ColoursSlate-grey model with black silicone band pictured.Silver bezel with black case and band.

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