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Garmin Tactix 8 AMOLED (47mm) vs Suunto Vertical 2

Physical
Case diameter 51 mm —
Case thickness 14.7 mm —
Weight 92 g —
Case material Titanium Other
Bezel material Titanium Stainless steel
Lens / crystal sapphire crystal —
Strap material silicone Silicone
Strap width — 22 mm
Colors available — —
Water resistance 100 m —
Military standard — —
Display
Display type AMOLED —
Display diagonal 1.4 mm —
Resolution width 454 px —
Resolution height 454 px —
Touchscreen No No
Always-on display No No
Max brightness — —
Battery
Smartwatch mode 696 h —
GPS-only mode — —
All-systems GPS mode — —
Max battery saver mode — —
Charging type Garmin proprietary plug charger —
Solar charging No No
Wireless charging No No
Positioning
GNSS systems — —
Multi-band / dual-frequency Yes No
Offline maps No Yes
Built-in maps Yes No
Turn-by-turn navigation No No
Sensors
Optical heart rate Yes Yes
ECG Yes No
SpO2 / pulse oximeter Yes Yes
Skin temperature No No
Accelerometer No No
Gyroscope No No
Compass Yes No
Barometric altimeter Yes No
Ambient thermometer No No
Microphone No No
Speaker No No
Connectivity
Bluetooth No No
Wi-Fi Yes No
NFC payments No No
Cellular / LTE No No
ANT+ No No
Music storage No No
Third-party apps No No
Satellite communication No No
Health & Fitness
Sleep tracking Yes Yes
Stress tracking No No
HRV tracking Yes Yes
Training load Yes No
Training readiness / recovery No No
VO2 max estimate Yes No
Running dynamics No No
Body battery / energy score No No
Menstrual cycle tracking Yes No
Fall / incident detection No No
Guided workouts No No
Multisport / triathlon mode Yes No
Software
Operating system — —
Companion app — —
Voice assistant — —
Contactless payments No No