Garmin - Fenix 8 Solar (47mm) vs Suunto - Vertical Titanium Solar

The Vertical Titanium Solar is the clear pick on raw spec strength, leading by 15.2 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.

Pick the Fenix 8 Solar (47mm) if you care most about gps mode and ecg. The biggest gaps in its favor are gps mode, ecg.

Pick the Vertical Titanium Solar if you care most about smartwatch mode. Its strongest claims are smartwatch mode.

Both ship with comparable multi-band gps, solar charging, so those specs don't separate the two — focus on the differences below.

Bottom line: the Vertical Titanium Solar is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.