Between the Helio Ring and Gen 2 Smart Ring, the Helio Ring comes out ahead in several specs, while the Gen 2 Smart Ring wins on battery life and sport modes. Overall, the Helio Ring scores 46.1 and the Gen 2 Smart Ring scores 57.2 on our Mars Score.
Which should you buy?
The Gen 2 Smart Ring 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.
The Helio Ring doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
Pick the Gen 2 Smart Ring if you care most about battery life and sport modes. Its strongest claims are battery life, sport modes.
Both ship with comparable gps, spo2, water resistance, so those specs don't separate the two — focus on the differences below.
Bottom line: the Gen 2 Smart Ring 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
- No decisive advantages.
Why RingConn - Gen 2 Smart Ring wins
- ▲Battery life — 100.00% more. 10 days vs 5 days.
- ▲Sport modes — 10.00 more. 10 vs 0.
Spec comparison
Fitness
| Spec | Amazfit - Helio Ring | RingConn - Gen 2 Smart Ring |
|---|---|---|
| GPS | false | false |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 0 | 10lead |
Battery
| Spec | Amazfit - Helio Ring | RingConn - Gen 2 Smart Ring |
|---|---|---|
| Battery life | 5 days | 10 dayslead |
| Water resistanceⓘ | 10 ATM | 10 ATM |
Design
| Spec | Amazfit - Helio Ring | RingConn - Gen 2 Smart Ring |
|---|---|---|
| Display size | 0 " | 0 " |
| Weight | 3.5 g | 2.5 glead |
Spec-level deep dives
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