Between the Lily 2 and Gen 2 Smart Ring, the Lily 2 comes out ahead in sport modes, while the Gen 2 Smart Ring wins on battery life and water resistance. Overall, the Lily 2 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.
Pick the Lily 2 if you care most about sport modes. The biggest gaps in its favor are sport modes.
Pick the Gen 2 Smart Ring if you care most about battery life and water resistance. Its strongest claims are battery life, water resistance.
Both ship with comparable gps, spo2, 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 Garmin - Lily 2 wins
- ▲Sport modes — 10.00 more. 20 vs 10.
Why RingConn - Gen 2 Smart Ring wins
- ▲Battery life — 100.00% more. 10 days vs 5 days.
- ▲Water resistance — 5.00 ATM more. 10 vs 5.
Spec comparison
Fitness
| Spec | Garmin - Lily 2 | RingConn - Gen 2 Smart Ring |
|---|---|---|
| GPS | false | false |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 20lead | 10 |
Battery
| Spec | Garmin - Lily 2 | RingConn - Gen 2 Smart Ring |
|---|---|---|
| Battery life | 5 days | 10 dayslead |
| Water resistanceⓘ | 5 ATM | 10 ATMlead |
Design
| Spec | Garmin - Lily 2 | RingConn - Gen 2 Smart Ring |
|---|---|---|
| Display size | 1.0 "lead | 0 " |
| Weight | 21 g | 2.5 glead |
Frequently asked
Spec-level deep dives
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