Fitbit Edge vs Sense 2 specs comparison
Fitbit Edge is the better option if you want Fitbit’s main health features in a smaller, lighter band with newer hardware and a replaceable battery. Sense 2 still suits anyone who prefers a proper smartwatch display, continuous stress tracking and extras such as calls and a voice assistant.
Full comparison
The full record
80 specifications across 6 areas, with 25 genuine differences.
1. Design & display Mixed
Fact
Fitbit Edge
Fitbit Sense 2
Release date
2026-10
2022-09-29
Physical size
11.58 x 39.22 x 25.56 mm
40.5 x 40.5 x 11.2 mm
Weight
17.7 g
37.64 g
Material
Aluminum housing and silicone sports strap with clasp
Aluminum watch case and buckle; flexible sport-style band
Water resistance
5 ATM; IP68
5 ATM
Color options
Obsidian, Olive, Canyon, Fog
Shadow Grey / Graphite Aluminum, Lunar White / Platinum Aluminum, Blue Mist / Soft Gold Aluminum
Display type
AMOLED touchscreen
AMOLED
Display size
1.34 inches
1.58 inch
Display protection
Corning Gorilla Glass 3
Corning Gorilla Glass 3
2. Battery & charging Fitbit Edge
Fact
Fitbit Edge
Fitbit Sense 2
Battery
65mAh user-replaceable, rechargeable lithium-polymer battery
Rechargeable lithium-polymer battery; 162 mAh
Battery life
Up to 7 days, up to 2 days with always-on mode
6+ days; up to 5 hours with continuous GPS
Charging
USB charging cable
USB. Charge time (0-100%): 2 hours. 12 minutes to get one day of battery life
Charging time
Approx. 120 minutes from 0% to 100%. Approx. 1 day of use with a 5-minute charge.
About 2 hours to 100%; 12 minutes for 1 day
3. Sensors & positioning Mixed
Fact
Fitbit Edge
Fitbit Sense 2
GNSS type
Built-in GNSS + connected GPS
Built-in GNSS + connected GPS
GPS
Yes
Yes
GALILEO
Yes
No
GLONASS
Yes
Yes
QZSS
Yes
No
Beidou
Yes
No
Accelerometer
Yes
Yes
Gyroscope
Yes
Yes
Barometric altimeter
Yes
Yes
Compass
No
No
Geomagnetic
No
No
Ambient light sensor
Yes
Yes
Optical heart rate
Yes
Yes
Electrical heart rate
Yes
Yes
SpO2
Yes
Yes
Temperature
Yes
Yes
Galvanic skin response
No
Yes
Microphone
No
Yes
Speakers
No
Yes
Vibration motor
Yes
Yes
4. Health & activity No clear edge
Fact
Fitbit Edge
Fitbit Sense 2
Steps
Yes
Yes
Distance
Yes
Yes
Calories burned
Yes
Yes
Floors
Yes
Yes
Sports tracking
Yes
40+ Goal-Based Exercise Modes
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
Yes
ECG
Yes
Yes
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
Daily Readiness
Yes
Yes
Cardio Load
Yes
Yes
Target Load
Yes
Yes
Hyperglycemia risk assessment
No
No
Arterial stiffness detection
No
No
Pulse wave arrhythmia analysis
Yes
Yes
5. Smart features Fitbit Sense 2
Fact
Fitbit Edge
Fitbit Sense 2
Smartphone compatibility
Android 11+; iOS 16.4+
Android 11+; iOS 16.4+
Operating system at launch
FitbitOS
FitbitOS
Processor
Ambiq AP5 MCU
Ambiq Apollo4 Plus, ARM Cortex-M4 at 96-192 MHz
Data retention
7 days detailed data; 30 days daily totals
7 days detailed data; 30 days daily totals
Bluetooth
Yes (5.4)
Yes
Wi-Fi
No
Present but deactivated; cannot be turned on
NFC / connected pay
No
Yes
UWB
No
No
Cellular
No
No
Smartphone notifications
Yes
Yes
Bluetooth calling
No
Yes
Smartphone music control
Yes (YouTube Music controls on paired phone; no offline playback)
Yes (YouTube Music controls on paired phone; no offline playback)
On-board music storage
No
No
Voice assistant
No
Amazon Alexa
6. Navigation & safety Even
Fact
Fitbit Edge
Fitbit Sense 2
Maps
Google Maps directions
Google Maps directions
Offline maps
No
No
Navigation
Google Maps turn-by-turn directions
Google Maps turn-by-turn directions
Emergency SOS
No
No
Satellite SOS
No
No
Fall detection
No
No
LED flashlight
No
No
Diving
No
No
No significant differences in this area.