Suunto Run 2 vs Polar Vantage M3 specs comparison
This is fairly close. Run 2 is the better choice for runners who want a lighter watch and Suunto’s mapping and navigation experience. Vantage M3 has the edge if recovery, physiological insights and Polar’s training ecosystem matter more.
At a glance
What's different?
The strongest database-backed differences, without pretending every different number is an advantage.
Suunto Run 2
- 43% longer battery life 10 days vs 7 days
- 34% lighter 35 g vs 53 g
- Wi-Fi Not available on the other model
- On-board music Not available on the other model
Polar Vantage M3
- More advanced training tools Training Load Pro, Recovery Pro, Nightly Recharge +1 more
- ECG Not available on the other model
Both include blood oxygen tracking, HRV tracking, 5 ATM water resistance.
Full comparison
The full record
75 specifications across 6 areas, with 25 genuine differences.
1. Design & display Suunto Run 2
Fact
Suunto Run 2
Polar Vantage M3
Release date
2026-09
2024-10
Physical size
46 x 46 x 11.7 mm
44.7 x 44.7 x 12.2 mm
Weight
35 g
53 g
Material
Stainless steel bezel; Gorilla Glass; glass-fibre-reinforced polyamide case; silicone strap
Plastic case. Stainless Steel bezel.
Water resistance
5 ATM
5 ATM
Color options
All Black, Feather Gold, Aloe Green
Night Black, Greige Sand
Display type
LTPS AMOLED
AMOLED
Display size
1.32 inch
1.28 inch
Display resolution
466 x 466 pixels
416 x 416 pixels
2. Battery & charging Suunto Run 2
Fact
Suunto Run 2
Polar Vantage M3
Battery
Rechargeable lithium-ion battery; 380 mAh
Rechargeable lithium-polymer battery; 310 mAh
Battery life
Up to 10 days in daily use; up to 24 hours high-performance dual-band GNSS
Up to 30 h performance training; up to 90 h Eco training; up to 7 days smartwatch mode
Charging
USB-C charging cable
Custom USB cable for charging and data synchronization.
3. Sensors & positioning Polar Vantage M3
Fact
Suunto Run 2
Polar Vantage M3
GNSS type
Built-in dual-band L1 + L5 GNSS
Built-in dual-band GNSS
GPS
Yes
Yes
GALILEO
Yes
Yes
GLONASS
Yes
Yes
QZSS
Yes
Yes
Beidou
Yes
Yes
Accelerometer
Yes
Yes
Gyroscope
No
Yes
Barometric altimeter
Yes
Yes
Compass
Yes
Yes
Geomagnetic
No
Yes
Ambient light sensor
Yes
Yes
Optical heart rate
Yes (12-channel sensor)
Yes
Electrical heart rate
No
Yes
SpO2
Yes
Yes
Temperature
Yes
Yes
Galvanic skin response
No
No
Microphone
No
No
Speakers
No
No
Vibration motor
Yes
Yes
4. Health & activity Polar Vantage M3
Fact
Suunto Run 2
Polar Vantage M3
Steps
Yes
Yes
Distance
Yes
Yes
Calories burned
Yes
Yes
Floors
Yes
No
Sports tracking
Yes
Yes
Sleep
Yes
Yes
Heart rate
Yes (12-channel optical sensor behind 2.5D curved glass)
Yes
HRV
Yes
Yes (Nightly Recharge)
Stress
Yes
Yes (Nightly Recharge / ANS charge)
Blood oxygen
Yes
Yes
Respiration rate
No
Yes (during Nightly Recharge)
Skin temperature
No
Yes
ECG
No
Yes
Blood pressure
No
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
No
No
5. Smart features Mixed
Fact
Suunto Run 2
Polar Vantage M3
Smartphone compatibility
Android and iOS
Android and iOS
Operating system at launch
Proprietary
Proprietary
Storage
4 GB / 64 GB listed by Suunto
32 GB
Bluetooth
Yes (Bluetooth Classic and Bluetooth Low Energy)
Yes
Wi-Fi
Yes (2.4 GHz and 5 GHz; 802.11 a/b/g/n/ac/ax)
No
NFC / connected pay
No
No
UWB
No
No
Cellular
No
No
Smartphone notifications
Yes
Yes
Bluetooth calling
No
No
Smartphone music control
Yes
Yes
On-board music storage
Yes (offline music and podcasts)
No
Voice assistant
No
No
6. Navigation & safety No clear edge
Fact
Suunto Run 2
Polar Vantage M3
Maps
Yes (free worldwide maps)
Yes
Offline maps
Yes
Yes
Navigation
Offline maps, route navigation, roads and place names
Yes (offline maps, route guidance, Track Back and Back to Start)
Emergency SOS
No
No
Satellite SOS
No
No
Fall detection
No
No
LED flashlight
No
No
Diving
No
No