Between the Helio Ring and Charge 6, the Helio Ring comes out ahead in water resistance, while the Charge 6 wins on battery life and sport modes. Overall, the Helio Ring scores 46.1 and the Charge 6 scores 50.7 on our Mars Score.
Which should you buy?
The Charge 6 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 Charge 6 if you care most about battery life and sport modes. Its strongest claims are battery life, sport modes, gps.
Both ship with comparable 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.
Why Amazfit - Helio Ring wins
- ▲Water resistance — 5.00 ATM more. 10 vs 5.
Why Google - Charge 6 wins
- ▲Battery life — 40.00% more. 7 days vs 5 days.
- ▲Sport modes — 40.00 more. 40 vs 0.
- ▲Has GPS.
Spec comparison
Fitness
| Spec | Amazfit - Helio Ring | Google - Charge 6 |
|---|---|---|
| GPS | false | truelead |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 0 | 40lead |
Battery
| Spec | Amazfit - Helio Ring | Google - Charge 6 |
|---|---|---|
| Battery life | 5 days | 7 dayslead |
| Water resistanceⓘ | 10 ATMlead | 5 ATM |
Design
| Spec | Amazfit - Helio Ring | Google - Charge 6 |
|---|---|---|
| Display size | 0 " | 1.04 "lead |
| Weight | 3.5 glead | 37 g |
Frequently asked
Spec-level deep dives
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