Coros - Apex 2 Pro vs Garmin - Fenix 8 Solar (47mm)

These two are nearly even on the Mars Score (57.2 vs 58.4). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.

Pick the Apex 2 Pro if you care most about smartwatch mode. The biggest gaps in its favor are smartwatch mode.

Pick the Fenix 8 Solar (47mm) if you care most about gps mode / solar charging. Its strongest claims are gps mode, solar charging, ecg.

Both ship with comparable multi-band gps, so those specs do not separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.