Between the Band 7 and Charge 6, the Band 7 comes out ahead in battery life and sport modes, while the Charge 6 wins on gps. Overall, the Band 7 scores 73.1 and the Charge 6 scores 50.7 on our Mars Score.
Which should you buy?
The Band 7 is the clear pick on raw spec strength, leading by 22.4 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 battery life and sport modes. The biggest gaps in its favor are battery life, sport modes.
Pick the Charge 6 if you care most about gps. Its strongest claims are gps.
Both ship with comparable spo2, water resistance, 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
- ▲Battery life — 157.14% more. 18 days vs 7 days.
- ▲Sport modes — 80.00 more. 120 vs 40.
Why Google - Charge 6 wins
- ▲Has GPS.
Spec comparison
Fitness
| Spec | Amazfit - Band 7 | Google - Charge 6 |
|---|---|---|
| GPS | false | truelead |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 120lead | 40 |
Battery
| Spec | Amazfit - Band 7 | Google - Charge 6 |
|---|---|---|
| Battery life | 18 dayslead | 7 days |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Design
| Spec | Amazfit - Band 7 | Google - Charge 6 |
|---|---|---|
| Display size | 1.47 "lead | 1.04 " |
| Weight | 28 glead | 37 g |
Spec-level deep dives
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