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Garmin fēnix vs Garmin fēnix 8 AMOLED (47 mm, Sapphire)

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GarminfēnixGarminfēnix 8 AMOLED (47 mm, Sapphire)
Overview
Released2012August 2024
Display
Case sizes49 mm47 mm
PanelLCDOLED
Always-on displayYesYes
Display detailTransflective monochrome LCD, 31 mm diameter and 70 × 70 pixels, with LED backlight and five physical buttons.1.4-inch (35.56 mm) AMOLED touchscreen, 454 x 454 pixels, with optional always-on mode and leakproof inductive buttons.
Screen protection–Sapphire crystal lens on this titanium edition.
Health and fitness
ECGNoYes
Blood oxygenNoYes
Skin temperatureNoYes
Sleep apnoea alertsNoNo
High blood pressure alertsNoNo
Body compositionNoNo
Fall detectionNoNo
Crash detectionNoNo
GPSSingle-bandDual-band (L1 and L5)
Water resistance50 m100 m
SensorsHigh-sensitivity GPS receiver, barometric altimeter, three-axis compass and temperature sensor. Optional ANT+ heart-rate, foot-pod, speed/cadence and tempe temperature sensors.GPS, GLONASS, Galileo, QZSS and BeiDou with SatIQ multi-band positioning; Garmin Elevate wrist heart rate, Pulse Ox, barometric altimeter, compass, gyroscope, accelerometer, thermometer, ambient light and depth sensors.
Health features–Pulse Ox, skin temperature, sleep and HRV tracking; ECG app where regionally available, subject to compatible phone app and watch software.
Fitness featuresOutdoor activity profiles including hiking, mountaineering, running and cycling; configurable data fields, Auto Pause, Auto Lap and training alerts. No optical wrist heart-rate sensor.Sport-specific strength workouts, training readiness, endurance and hill scores, PacePro, ClimbPro, TopoActive maps, scuba and apnea dive activities; built-in LED flashlight.
Safety featuresWaypoint, route and breadcrumb navigation with TracBack; worldwide city basemap and paperless geocaching, without preloaded detailed maps or turn-by-turn routing.Incident detection and assistance require a paired smartphone.
Battery and connections
Battery life (maker's claim)Up to 42 daysUp to 16 days
In low-power mode–Up to 23 days
Mobile data optionNoNo
Works withiPhoneiPhone and Android
Storage–32 GB
Battery life detailRechargeable 500 mAh lithium-ion battery; up to six weeks in watch mode, two weeks with sensors always on, sixteen hours in normal GPS mode or fifty hours in UltraTrac according to the owner's manual.Up to 16 days in smartwatch mode, seven days with always-on display, 47 hours in GPS-only mode or 35 hours with all-systems multi-band GNSS.
ChargingUSB contact charging cradle and AC adapter.Rechargeable lithium-ion battery with Garmin proprietary plug charger.
ConnectivityANT+ sensors and wireless sharing with compatible Garmin devices; Bluetooth Smart transfer to the BaseCamp Mobile iPhone app and USB computer transfer to BaseCamp or Garmin Connect.Bluetooth, ANT+ and Wi-Fi; Garmin Pay, Connect IQ and on-watch music. Speaker and microphone support calls and voice messaging through a paired phone; some offline voice commands work without one.
Storage20 MB internal memory; 1,000 waypoints, fifty routes, 10,000 track points and 100 saved tracks.–
Design
Weight (lightest version)82 g73 g
SoftwareGarminGarmin
Case materialsShock-resistant housing, mineral-glass lens and polyurethane wristband; 50 m water resistance.Titanium bezel, fibre-reinforced polymer case with metal rear cover, sapphire crystal and silicone band; 10 ATM water rating and 40 m dive-rated case.
Size49 × 49 × 17 mm; 82 g.47 x 47 x 13.8 mm; 73 g with silicone band, 52 g case only.
Bands–QuickFit 22 mm band; silicone band fits wrists 125–208 mm.
Colours–Titanium with spark orange and graphite silicone band.

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