Suunto Run 2 vs Garmin Forerunner 170 specs comparison
Suunto Run 2 is the better pick if you want maps, a more outdoor-focused experience and Suunto’s cleaner training interface. Forerunner 170 makes more sense if you value Garmin’s broader ecosystem, smartwatch features and deeper everyday fitness tools.
At a glance
What's different?
The strongest database-backed differences, without pretending every different number is an advantage.
Suunto Run 2
- Multi-band GPS Built-in dual-band L1 + L5 GNSS vs GPS, GLONASS and Galileo
- Offline maps Not available on the other model
- 14.6% lighter 35 g vs 41 g
- Wi-Fi Not available on the other model
- On-board music Not available on the other model
Garmin Forerunner 170
- More advanced training tools Body Battery, Training Readiness, Training Status +6 more
- Emergency SOS Not available on the other model
- Fall detection Not available on the other model
Both include blood oxygen tracking, HRV tracking, 5 ATM water resistance.
Full comparison
The full record
76 specifications across 6 areas, with 28 genuine differences.
1. Design & display Suunto Run 2
Fact
Suunto Run 2
Garmin Forerunner 170
Release date
2026-09
2026-05
Physical size
46 x 46 x 11.7 mm
42.6 x 42.6 x 11.9 mm
Weight
35 g
41 g
Material
Stainless steel bezel; Gorilla Glass; glass-fibre-reinforced polyamide case; silicone strap
Fiber-reinforced polymer bezel and case; silicone strap
Water resistance
5 ATM
5 ATM
Color options
All Black, Feather Gold, Aloe Green
Black with Black/Amp Yellow band; Whitestone with Whitestone/Cloud Blue band
Display type
LTPS AMOLED
AMOLED touchscreen
Display size
1.32 inch
1.2 inch diameter
Display resolution
466 x 466 pixels
390 x 390 pixels
Display protection
Gorilla Glass
Chemically strengthened glass
2. Battery & charging No clear edge
Fact
Suunto Run 2
Garmin Forerunner 170
Battery
Rechargeable lithium-ion battery; 380 mAh
Rechargeable lithium-ion battery
Battery life
Up to 10 days in daily use; up to 24 hours high-performance dual-band GNSS
Smartwatch mode: Up to 10 days (4 days always-on); Battery Saver: Up to 19 days; GPS-only: Up to 20 hours; All-Systems GNSS: Up to 14 hours
Charging
USB-C charging cable
Garmin proprietary charging cable
3. Sensors & positioning Suunto Run 2
Fact
Suunto Run 2
Garmin Forerunner 170
GNSS type
Built-in dual-band L1 + L5 GNSS
GPS, GLONASS and Galileo
GPS
Yes
Yes
GALILEO
Yes
Yes
GLONASS
Yes
Yes
QZSS
Yes
No
Beidou
Yes
No
Accelerometer
Yes
Yes
Gyroscope
No
Yes
Barometric altimeter
Yes
Yes
Compass
Yes
Yes
Geomagnetic
No
No
Ambient light sensor
Yes
Yes
Optical heart rate
Yes (12-channel sensor)
Yes
Electrical heart rate
No
No
SpO2
Yes
Yes
Temperature
Yes
Yes
Galvanic skin response
No
No
Microphone
No
No
Speakers
No
No
Vibration motor
Yes
Yes
4. Health & activity No clear edge
Fact
Suunto Run 2
Garmin Forerunner 170
Steps
Yes
Yes
Distance
Yes
Yes
Calories burned
Yes
Yes
Floors
Yes
Yes
Sports tracking
Yes
Yes
Sleep
Yes
Yes
Heart rate
Yes (12-channel optical sensor behind 2.5D curved glass)
Yes
HRV
Yes
Yes
Stress
Yes
Yes
Blood oxygen
Yes
Yes
Respiration rate
No
Yes
Skin temperature
No
No
ECG
No
No
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
Garmin Forerunner 170
Smartphone compatibility
Android and iOS
Android and iOS
Operating system at launch
Proprietary
Garmin proprietary
Storage
4 GB / 64 GB listed by Suunto
4 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
Yes
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 Mixed
Fact
Suunto Run 2
Garmin Forerunner 170
Maps
Yes (free worldwide maps)
No
Offline maps
Yes
No
Navigation
Offline maps, route navigation, roads and place names
Yes
Emergency SOS
No
Yes (paired smartphone)
Satellite SOS
No
No
Fall detection
No
Yes
LED flashlight
No
No
Diving
No
No