Garmin fēnix 6 vs Garmin fēnix 9

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

Better figure, where one is clearly better

fēnix 6 compared with fēnix 9
Garminfēnix 6Garminfēnix 9
Overview
ReleasedAugust 2019August 2026
Display
Case sizes47 mm43 mm, 47 mm or 51 mm
PanelMemory-in-pixelOLED
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.AMOLED colour touchscreen; 43 mm is 1.3″ (33 mm) at 416 x 416 pixels; 47 mm and 51 mm are 1.4″ (35.6 mm) at 454 x 454 pixels; Garmin says it's more than twice as bright as the fēnix 8's
Screen protectionCorning Gorilla Glass 3.Sapphire crystal lens
Health and fitness
ECGNoYes
Blood oxygenYesYes
Skin temperatureNoYes
Sleep apnoea alertsNoNo
High blood pressure alertsNoNo
Body compositionNoNo
Fall detectionNoNo
Crash detectionNoNo
GPSSingle-bandDual-band (L1 and L5)
Water resistance100 m100 m
SensorsGPS, GLONASS, Galileo, Garmin Elevate wrist heart rate, Pulse Ox, barometric altimeter, compass, gyroscope, accelerometer and thermometer.Garmin Elevate wrist heart rate monitor; Pulse Ox blood oxygen monitor; barometric altimeter; compass; gyroscope; accelerometer; thermometer; ambient light sensor; depth sensor to 40 m
Health featuresPulse Ox for sleep or altitude acclimation, sleep, stress and Body Battery energy monitoring.Garmin ECG App (atrial fibrillation); Pulse Ox; skin temperature; high and low heart rate alerts; HRV status; health status; sleep score, sleep coach, sleep alignment and nap detection; breathing variations; Body Battery; all-day stress; Health Snapshot; lifestyle logging; women's health tracking with past ovulation estimates; jet lag adviser
Fitness featuresRunning and cycling metrics, multisport profiles, ClimbPro, PacePro, power manager, expedition GPS mode and course navigation.More than 100 activity profiles; stamina zones and stamina curve; Garmin Epic activity stories in Garmin Connect; training readiness and training status; running tolerance; running economy and step speed loss (with HRM 600); VO2 max, endurance score and hill score; PacePro; ClimbPro; Garmin Coach and Garmin Triathlon Coach plans; indoor rowing VO2 max and power curve (with a power-meter rower); rucking with pack weight up to 100 kg; preloaded TopoActive maps with perspective view, dynamic round-trip routing, NextFork and Up Ahead; ski resort and 43,000+ golf course maps; scuba (single gas, air and nitrox to 40% oxygen) and apnoea diving to 40 m
Safety featuresIncident detection and assistance require a paired smartphone.Incident detection during select activities; assistance; LiveTrack; live event sharing (Android only); LED flashlight
Battery and connections
Battery life (maker's claim)Up to 14 daysUp to 29 days
In low-power mode–Up to 42 days
Mobile data optionNoNo
Works withiPhone and AndroidiPhone and Android
Storage–64 GB
Battery life detailUp to 14 days in smartwatch mode, 36 hours in GPS mode or 48 days in battery saver watch mode.43, 47 and 51 mm respectively, up to 10, 16 and 29 days in smartwatch mode; 15, 24 and 42 days in low power watch mode; 18, 30 and 54 hours of GPS activity in Normal mode; 15, 25 and 45 hours in Max Accuracy (multi-band); 49, 81 and 145 hours in Max Battery; 7, 12 and 21 hours with music; 10, 18 and 31 days in Expedition mode
ChargingInternal rechargeable lithium battery.Garmin charging/data cable with proprietary plug
ConnectivityBluetooth Smart and ANT+; smart notifications, Connect IQ, Garmin Pay and phone music controls. The standard model does not store music.Bluetooth, ANT+ and Wi-Fi; multi-band GPS with GPS, GLONASS, Galileo, QZSS and BeiDou and SatIQ; Garmin Pay; speaker and microphone for calls and the phone's voice assistant with a paired phone; voice commands
Storage–Up to 7,000 songs; twice the map storage and 50% more RAM than the fēnix 8
Design
Weight (lightest version)80 g44 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 with titanium rear cover; titanium bezel; leakproof inductive buttons; 10 ATM water rating; dive rated to 40 m (EN 13319); tested to US military standards for thermal, shock and water resistance; operating temperature –20 °C to 45 °C
Size47 x 47 x 14.7 mm; 80 g with silicone band, 57 g case only.43 mm is 43 x 43 x 13.8 mm and 44 g case only (61 g with band); 47 mm is 47 x 47 x 13.8 mm and 53 g (75 g); 51 mm is 51 x 51 x 14.7 mm and 65 g (91 g)
BandsQuickFit 22 mm band; silicone band fits wrists 125–208 mm.QuickFit silicone bands, 20 mm (43 mm), 22 mm (47 mm) or 26 mm (51 mm); silicone band fits 108–182 mm, 125–208 mm or 127–210 mm wrists
ColoursSilver bezel with black case and band.43 mm in Titanium with Fog Grey or Pebble Grey band; 47 mm and 51 mm in Titanium with Pebble Grey band or Carbon Grey DLC Titanium with Black band
In the box–fēnix 9, charging/data cable, documentation

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