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

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fēnix 8 AMOLED (47 mm, Sapphire) compared with fēnix E

	Garminfēnix 8 AMOLED (47 mm, Sapphire)	Garminfēnix E
Overview
Released
Released	August 2024	August 2024
Display
Case sizes
Case sizes	47 mm	47 mm
Panel
Panel	OLED	OLED
Always-on display
Always-on display	Yes	Yes
Display detail
Display detail	1.4-inch (35.56 mm) AMOLED touchscreen, 454 x 454 pixels, with optional always-on mode and leakproof inductive buttons.	33 mm (1.3 inch) AMOLED touchscreen, 416 x 416 pixels, five physical buttons; always-on option and red-shift mode.
Screen protection
Screen protection	Sapphire crystal lens on this titanium edition.	Corning Gorilla Glass; no Sapphire configuration in the exact current range.
Health and fitness
ECG
ECG	Yes	No
Blood oxygen
Blood oxygen	Yes	Yes
Skin temperature
Skin temperature	Yes	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	Dual-band (L1 and L5)	Single-band
Water resistance
Water resistance	100 m	100 m
Sensors
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.	GPS, GLONASS, Galileo, QZSS and BeiDou; Garmin Elevate wrist heart rate, Pulse Ox, barometric altimeter, compass, gyroscope, accelerometer, thermometer and ambient-light sensor. Single-frequency GNSS, with no multi-band/SatIQ (confirmed by exact Wareable and T3 tests); maker does not number the heart-rate sensor generation in its current table.
Health features
Health features	Pulse Ox, skin temperature, sleep and HRV tracking; ECG app where regionally available, subject to compatible phone app and watch software.	Continuous heart rate and high/low alerts, respiration, Body Battery, stress, advanced sleep tracking/coach/score/alignment, breathing variations, nap detection, HRV status, Health Snapshot/Status, jet lag adviser and lifestyle logging. Current table lists smart wake alarm. Hydration and menstrual-cycle/pregnancy features use Garmin Connect and optional Connect IQ widget. Pulse Ox is not available in every country. No ECG or skin-temperature feature is listed for this exact hardware; the ambient thermometer does not establish skin-temperature tracking.
Fitness features
Fitness features	Sport-specific strength workouts, training readiness, endurance and hill scores, PacePro, ClimbPro, TopoActive maps, scuba and apnea dive activities; built-in LED flashlight.	Training readiness/status, training load/focus/effect, recovery time, endurance and hill scores, VO2 max, real-time stamina, running tolerance, running dynamics/power, PacePro and ClimbPro. Running economy, step speed loss and some sensor metrics require a compatible accessory. Garmin running, cycling, strength and triathlon coaching, suggested workouts and animated strength/cardio/yoga/Pilates workouts. Triathlon auto transitions, pool/open-water swimming, cycling, climbing, skiing, golf and many other profiles. Download free regional TopoActive maps over Wi-Fi for offline navigation; dynamic round-trip routing, turn-by-turn courses, NextFork, TracBack and back-to-start. Maker table calls road/trail maps “Yes (downloadable)”; do not treat them as preinstalled. Golf courses and ski-resort maps are listed as preloaded; premium map contents require optional Outdoor Maps+ subscription.
Safety features
Safety features	Incident detection and assistance require a paired smartphone.	Incident detection during selected activities, assistance, LiveTrack and live event sharing require a compatible paired phone/connectivity. Screen flashlight lights the display; no separate LED torch. Current web safety table marks hands-free voice control, but Garmin’s Japanese launch explicitly excludes fēnix E from speaker/microphone/voice commands; that ambiguous table entry does not establish those hardware features. No dive-rated inductive buttons, depth sensor, LTE or satellite messaging.
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 16 days	Up to 16 days
In low-power mode
In low-power mode	Up to 23 days	Up to 21 days
Mobile data option
Mobile data option	No	No
Works with
Works with	iPhone and Android	iPhone and Android
Storage
Storage	32 GB (better)	16 GB
Battery life detail
Battery life detail	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.	Up to 16 days smartwatch with gesture wake, or 6 days always-on; battery-saver watch mode 21 days. GPS-only 42 h gesture/30 h always-on; all satellite systems 32/24 h; all satellites plus music 10 h in either mode; maximum-battery GPS 75 h; expedition GPS 14 days. Headline figures use gesture-wake smartwatch and battery saver. Actual life depends on enabled features and connected sensors; no solar charging.
Charging
Charging	Rechargeable lithium-ion battery with Garmin proprietary plug charger.	Built-in rechargeable lithium-ion battery. Garmin proprietary charging/data cable to USB-C computer port or AC adaptor rated at least 5 W, per September 2026 owner guide; cable is supplied.
Connectivity
Connectivity	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.	Bluetooth, ANT+ and Wi-Fi; Garmin Connect for iPhone/Android, Connect IQ apps/watch faces, Garmin Pay with supported banks, downloaded music and supported subscription services. Smart notifications, Garmin Share and Garmin Messenger with paired phone; notification text replies/images are Android-specific. No calls through the watch speaker or offline voice commands.
Design
Weight (lightest version)
Weight (lightest version)	73 g (better)	76 g
Software
Software	Garmin	Garmin
Case materials
Case materials	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.	Stainless-steel bezel (natural or Slate Grey), fibre-reinforced polymer case with metal rear cover, silicone band.
Size
Size	47 x 47 x 13.8 mm; 73 g with silicone band, 52 g case only.	47 x 47 x 14.5 mm. 76 g with supplied band, 53 g case only. Included 22 mm QuickFit silicone band fits 125–208 mm wrists. Maker separately lists optional UltraFit 125–215 mm, leather 132–210 mm and metal 132–215 mm bands.
Reference and release detail
Reference and release detail	–	First documented availability is Garmin forum’s “Now Available” announcement dated 27 August 2024 at 16:14 UTC. UK first shipping date is not independently established; Japanese launch announced mid-September 2024 availability separately. This is fēnix E hardware, not fēnix 8 AMOLED or Solar.
Bands
Bands	QuickFit 22 mm band; silicone band fits wrists 125–208 mm.	–
Colours
Colours	Titanium with spark orange and graphite silicone band.	–