Amazfit - Helio Ring vs Garmin - vivosmart 5

The vivosmart 5 edges ahead on the Mars Score (46.1 vs 50.7), but the 4.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the Helio Ring if you care most about water resistance. The biggest gaps in its favor are water resistance.

Pick the vivosmart 5 if you care most about battery life and sport modes. Its strongest claims are battery life, sport modes.

Both ship with comparable gps, spo2, so those specs don't 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 tells you both are well-rounded; the differences are about trade-offs, not quality.