Between the Band 7 and Gen 2 Smart Ring, the Band 7 comes out ahead in sport modes and battery life, while the Gen 2 Smart Ring wins on water resistance. Overall, the Band 7 scores 73.1 and the Gen 2 Smart Ring scores 57.2 on our Mars Score.
Which should you buy?
The Band 7 is the clear pick on raw spec strength, leading by 15.9 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 Band 7 if you care most about sport modes and battery life. The biggest gaps in its favor are sport modes, battery life.
Pick the Gen 2 Smart Ring if you care most about water resistance. Its strongest claims are water resistance.
Both ship with comparable gps, spo2, so those specs don't separate the two — focus on the differences below.
Bottom line: the Band 7 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Amazfit - Band 7 wins
- ▲Sport modes — 110.00 more. 120 vs 10.
- ▲Battery life — 80.00% more. 18 days vs 10 days.
Why RingConn - Gen 2 Smart Ring wins
- ▲Water resistance — 5.00 ATM more. 10 vs 5.
Spec comparison
Fitness
| Spec | Amazfit - Band 7 | RingConn - Gen 2 Smart Ring |
|---|---|---|
| GPS | false | false |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 120lead | 10 |
Battery
| Spec | Amazfit - Band 7 | RingConn - Gen 2 Smart Ring |
|---|---|---|
| Battery life | 18 dayslead | 10 days |
| Water resistanceⓘ | 5 ATM | 10 ATMlead |
Design
| Spec | Amazfit - Band 7 | RingConn - Gen 2 Smart Ring |
|---|---|---|
| Display size | 1.47 "lead | 0 " |
| Weight | 28 g | 2.5 glead |
Frequently asked
Spec-level deep dives
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