Wear Radar

Garmin Forerunner 970vsFitbit Charge

15d vs 7d
battery life
Garmin Forerunner 970 lasts longer
$629
price gap
Fitbit Charge cheaper
41g
lighter
Fitbit Charge
3
more health sensors
Garmin Forerunner 970
Garmin Forerunner 970
Buy/Wait:good

Early in release cycle

Full details →
Fitbit Charge
Buy/Wait:bad

Late in cycle — a new model is likely coming

Full details →
Garmin Forerunner 970Fitbit Charge
Pricing
Starting price$749$120
Subscriptionℹ️ Optional — $70/yrℹ️ Optional — $79/yr
Hardware
Weight56g15g
Water resistance5ATM50m
Battery15 days7 days
Always-on display
GPS
Cellular
PlatformiOS & AndroidiOS & Android
TierSports GPSFitness Tracker
Buy timing
ReleasedMay 15, 2025Sep 28, 2023
Cycle advicegoodbad
Deals adviceneutralgreat
Next modelFitbit Charge 7 (Expected 2026)

Health Sensors

Garmin Forerunner 970 only
4 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
Both
5 shared
ECGDetects irregular heart rhythms (AFib)
Heart RateContinuous or on-demand pulse tracking
SpO2Blood oxygen saturation, tracked during sleep
HRVHeart rate variability — stress & recovery scores
Skin TempOvernight changes linked to illness or cycle tracking
Fitbit Charge only
1 exclusive sensor
EDA / StressSkin conductance sensor measuring stress responses

Why buy each?

Garmin Forerunner 970

ECG, flashlight, and sapphire lens

The FR970 is the first Forerunner with ECG and a built-in LED flashlight — plus a sapphire crystal lens and titanium DLC case for durability that rivals the Fenix 8.

Full color TopoActive maps + Triathlon Coach

Turn-by-turn navigation on preloaded worldwide TopoActive maps, combined with AI-powered Garmin Triathlon Coach structured training plans — a premium combination at any price.

Running dynamics + Elevate Gen 5

Full biomechanics suite (cadence, vertical oscillation, ground contact time, running power) plus Garmin's most advanced heart rate sensor with skin temperature monitoring.

Fitbit Charge

ECG and EDA stress in a slim band

Full ECG, electrodermal activity stress sensing, SpO2, and continuous heart rate in a tracker thinner than most smartwatches.

Google apps integration

Google Maps navigation, Google Wallet NFC payments, and YouTube Music controls — more useful on-device apps than any previous Charge.

7-day battery with GPS

7 days of typical use, dropping to around 30 minutes per GPS workout session before needing a charge.

Quick Winner

The right pick depends on what you optimize for.

For the budget
Fitbit Charge wins

$357 vs $959 over 3 years · no required subscription.

For battery life
Garmin Forerunner 970 wins

15 days vs 7 days battery.

For health depth
Garmin Forerunner 970 wins

9 sensors.

For daily comfort
Fitbit Charge wins

15g · no required subscription.

Bottom Line

Technical gaps
  1. Forerunner 970-only sensors: Stress Tracking, Body Battery, Training Readiness, Running Dynamics.
  2. Charge-only sensors: EDA / Stress.
  3. Weight. Charge is 41g lighter — relevant for all-day comfort and sleep.
Commercial gaps
  1. Hardware cost. Charge is $629 cheaper upfront ($120 vs $749).
Pick the Garmin Forerunner 970 if…

Competitive runners, triathletes, and ultramarathon runners who want the complete Garmin premium running analytics suite: ECG, full maps, running dynamics, Triathlon Coach, and the most durable build in the Forerunner line. Replaces the FR965 as Garmin's top running watch.

Full details →
Pick the Fitbit Charge if…

Anyone who wants serious health and fitness tracking without the bulk or cost of a full smartwatch. Works with both Android and iPhone, making it the most accessible Fitbit tracker in the lineup.

Full details →