Wear Radar

Fitbit EdgevsGarmin Fenix

16d vs 7d
battery life
Garmin Fenix lasts longer
$820
price gap
Fitbit Edge cheaper
0.5 Hz
HR sampling
Fitbit Edge only — Garmin Fenix undisclosed
35g
lighter
Fitbit Edge
Fitbit Edge
Buy/Wait:good

Current model just released

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Garmin Fenix
Buy/Wait:good

Current model just released

Full details →
Fitbit EdgeGarmin Fenix
Pricing
Starting price$179★$999
Subscriptionℹ️ Optional — $99/yrℹ️ Optional — $70/yr
Hardware
Weight18g★53g
Water resistance50m10ATM★
Battery7 days16 days★
Always-on display✅✅
GPS✅✅
Cellular❌❌
PlatformiOS & AndroidiOS & Android
TierFitness TrackerSports GPS
Buy timing
ReleasedOct 27, 2026Aug 25, 2026
Cycle advicegoodgood
Deals adviceneutralneutral
Next model——

Health Sensors

Fitbit Edge only
No exclusive sensors
Both
5 shared
ECGDetects irregular heart rhythms (AFib)
SpO2Blood oxygen saturation, tracked during sleep
Heart RateContinuous or on-demand pulse tracking
HRVHeart rate variability — stress & recovery scores
Skin TempOvernight changes linked to illness or cycle tracking
Garmin Fenix only
6 exclusive sensors
Stress TrackingStress estimate from HRV and physiological signals
Body BatteryGarmin's energy reserve — how much fuel left in the tank
Training ReadinessDaily recovery score — how ready you are to perform
Running DynamicsCadence, ground contact time, stride length, vertical oscillation
RespirationBreathing rate during sleep and activity
Depth GaugeMeasures water depth — certified for recreational diving to 40m

Why buy each?

Fitbit Edge

Larger AMOLED display with always-on option

A 1.34" AMOLED screen, 46% larger than the Charge 6's, with an optional always-on mode and a physical button.

Built-in GPS, ECG, and an altimeter

Multi-system GPS for phone-free runs, an ECG app for AFib checks, SpO2 and skin temperature sensing, and an altimeter for elevation.

User-replaceable battery

Up to 7 days per charge, a 5-minute top-up for about a day of use, and a battery you can replace yourself when it wears out.

Garmin Fenix

64GB storage and faster maps

Double the map storage of the Fenix 8, with 50% more RAM and 30% faster map panning for routable built-in maps.

AMOLED or Solar: choose your battery priority

AMOLED on every Fenix 9, with up to 29 days on the 51mm. The Fenix 9 Pro Solar reaches up to 57 days with solar charging for trips where charging is impossible.

New training tools

Stamina zones, expanded rucking with adjustable pack weight, and indoor rowing metrics join Garmin's existing training analytics, plus a 40m dive rating.

Quick Winner

The right pick depends on what you optimize for.

For the budget
Fitbit Edge wins

$476 vs $1209 over 3 years.

For battery life
Garmin Fenix wins

16 days vs 7 days battery.

For health depth
Garmin Fenix wins

11 sensors.

For daily comfort
Fitbit Edge wins

18g.

Bottom Line

Technical gaps
  1. Fenix-only sensors: Stress Tracking, Body Battery, Training Readiness, Running Dynamics, Respiration, Depth Gauge.
  2. Weight. Edge is 35g lighter — relevant for all-day comfort and sleep.
  3. Water resistance. Fenix rates 10ATM vs 50m on Edge.
Commercial gaps
  1. Hardware cost. Edge is $820 cheaper upfront ($179 vs $999).
Pick the Fitbit Edge if…

Anyone who wants a slim tracker with a screen, built-in GPS, and ECG rather than a full smartwatch. It suits Charge owners ready to upgrade, as long as they don't rely on Google Wallet payments or EDA stress scans. Works with both Android and iPhone via the Google Health app.

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Pick the Garmin Fenix if…

Expedition athletes, adventure racers, triathletes, mountaineers, and divers who need the most capable and durable GPS watch Garmin makes. Also for anyone who wants Garmin's best — full stop.

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