Between the Helio Ring and Inspire 3, the Helio Ring comes out ahead in water resistance, while the Inspire 3 wins on battery life and sport modes. Overall, the Helio Ring scores 46.1 and the Inspire 3 scores 57.2 on our Mars Score.
Which should you buy?
The Inspire 3 is the clear pick on raw spec strength, leading by 11.1 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 Helio Ring if you care most about water resistance. The biggest gaps in its favor are water resistance.
Pick the Inspire 3 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: the Inspire 3 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Amazfit - Helio Ring wins
- ▲Water resistance — 5.00 ATM more. 10 vs 5.
Why Google - Inspire 3 wins
- ▲Battery life — 100.00% more. 10 days vs 5 days.
- ▲Sport modes — 21.00 more. 21 vs 0.
Spec comparison
Fitness
| Spec | Amazfit - Helio Ring | Google - Inspire 3 |
|---|---|---|
| GPS | false | false |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 0 | 21lead |
Battery
| Spec | Amazfit - Helio Ring | Google - Inspire 3 |
|---|---|---|
| Battery life | 5 days | 10 dayslead |
| Water resistanceⓘ | 10 ATMlead | 5 ATM |
Design
| Spec | Amazfit - Helio Ring | Google - Inspire 3 |
|---|---|---|
| Display size | 0 " | 0.74 "lead |
| Weight | 3.5 glead | 21 g |
Frequently asked
Spec-level deep dives
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