Fitbit Edge vs Garmin Forerunner 70 specs comparison
Fitbit Edge is the better everyday health tracker, with a more lifestyle-focused design and stronger emphasis on sleep, recovery and general wellness. Garmin Forerunner 70 is the better choice for runners, with more detailed training metrics, stronger sports features and a more exercise-focused platform. Pick Edge for daily health tracking; pick the Forerunner 70 if running is the priority.
Full comparison
The full record
80 specifications across 7 areas, with 34 genuine differences.
1. Design & display Fitbit Edge
Fact
Fitbit Edge
Garmin Forerunner 70
Release date
2026-10-30
2026-05
Physical size
39.2 x 25.6 x 11.6 mm
42.6 x 42.6 x 11.9 mm
Weight
17.7 g
40 g
Material
Aluminum housing and silicone sports strap with clasp
Fiber-reinforced polymer bezel and case; silicone strap
Water resistance
5 ATM; IP68
5 ATM
Color options
Obsidian, Olive, Canyon, Fog
Black, Whitestone, Citron, Cool Lavender, Soft Pink, Tidal Blue
Display type
AMOLED touchscreen
AMOLED touchscreen
Display size
1.3 inch
1.2 inch diameter
Display protection
Corning Gorilla Glass 3
Chemically strengthened glass
2. Battery & charging Garmin Forerunner 70
Fact
Fitbit Edge
Garmin Forerunner 70
Battery
65 mAh rechargeable lithium-ion battery; user-replaceable
Rechargeable lithium-ion battery
Battery life
Up to 7 days, up to 2 days with always-on mode
Smartwatch mode: Up to 13 days (5 days always-on); Battery Saver: Up to 28 days; GPS-only: Up to 23 hours; All-Systems GNSS: Up to 16 hours
Charging
USB-C charging cable
Garmin proprietary charging cable
3. Hardware & software No clear edge
Fact
Fitbit Edge
Garmin Forerunner 70
Product status
Current
Current
Case thickness
11.5 mm
11.9 mm
4. Sensors & positioning Fitbit Edge
Fact
Fitbit Edge
Garmin Forerunner 70
GNSS type
Built-in GPS + Galileo; connected GPS supported
GPS, GLONASS and Galileo
Multi-band GPS
No
No
GPS
Yes
Yes
GALILEO
Yes
Yes
GLONASS
Yes
Yes
QZSS
Yes
No
Beidou
Yes
No
Accelerometer
Yes
Yes
Gyroscope
Yes
No
Barometric altimeter
Yes
No
Compass
No
No
Geomagnetic
No
No
Ambient light sensor
Yes
Yes
Optical heart rate
Yes
Yes
Electrical heart rate
Yes
No
SpO2
Yes
Yes
Temperature
Yes
No
Galvanic skin response
No
No
Microphone
No
No
Speakers
No
No
Vibration motor
Yes
Yes
5. Health & activity Fitbit Edge
Fact
Fitbit Edge
Garmin Forerunner 70
Steps
Yes
Yes
Distance
Yes
Yes
Calories burned
Yes
Yes
Floors
Yes
No
Sports tracking
Yes
Yes
Sleep
Yes
Yes
Heart rate
Yes (High/low heart rate notifications and ECG app)
Yes
HRV
Yes
Yes
Stress
Yes
Yes
Blood oxygen
Yes
Yes
Respiration rate
Yes
Yes
Skin temperature
Yes
No
ECG
Yes
No
Blood pressure
Trends in blood pressure
No
Body composition
No
No
Glucose
No
No
Hydration level
No
No
UV exposure
No
No
Calorie intake
No
No
Hyperglycemia risk assessment
No
No
Arterial stiffness detection
No
No
Pulse wave arrhythmia analysis
Yes
No
6. Smart features No clear edge
Fact
Fitbit Edge
Garmin Forerunner 70
Smartphone compatibility
Android 11+; iOS 16.4+
Android and iOS
Operating system at launch
FitbitOS
Garmin proprietary
Storage
64MB NOR flash memory
512 MB
Subscription required
No (some Google Health Premium features require a subscription)
No
Bluetooth
Yes (5.4)
Yes
Wi-Fi
No
No
NFC / connected pay
No
No
UWB
No
No
Cellular
No
No
Smartphone notifications
Yes
Yes
Bluetooth calling
No
No
Smartphone music control
Yes (YouTube Music controls on paired phone; no offline playback)
Yes
On-board music storage
No
No
Voice assistant
No
No
7. Navigation & safety Garmin Forerunner 70
Fact
Fitbit Edge
Garmin Forerunner 70
Maps
Google Maps directions
No
Offline maps
No
No
Navigation
Google Maps turn-by-turn directions
Yes
Route navigation
Yes
Yes
Emergency SOS
No
Yes (paired smartphone)
Satellite SOS
No
No
Fall detection
No
Yes
LED flashlight
No
No
Diving
No
No