Between the Charge 6 and Smart Band 9, the Charge 6 comes out ahead in gps, while the Smart Band 9 wins on battery life and sport modes. Overall, the Charge 6 scores 50.7 and the Smart Band 9 scores 78.8 on our Mars Score.
Which should you buy?
The Smart Band 9 is the clear pick on raw spec strength, leading by 28.1 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 Charge 6 if you care most about gps. The biggest gaps in its favor are gps.
Pick the Smart Band 9 if you care most about battery life and sport modes. Its strongest claims are battery life, sport modes.
Both ship with comparable spo2, water resistance, so those specs don't separate the two — focus on the differences below.
Bottom line: the Smart Band 9 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Google - Charge 6 wins
- ▲Has GPS.
Why Xiaomi - Smart Band 9 wins
- ▲Battery life — 200.00% more. 21 days vs 7 days.
- ▲Sport modes — 110.00 more. 150 vs 40.
Spec comparison
Fitness
| Spec | Google - Charge 6 | Xiaomi - Smart Band 9 |
|---|---|---|
| GPS | truelead | false |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 40 | 150lead |
Battery
| Spec | Google - Charge 6 | Xiaomi - Smart Band 9 |
|---|---|---|
| Battery life | 7 days | 21 dayslead |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Design
| Spec | Google - Charge 6 | Xiaomi - Smart Band 9 |
|---|---|---|
| Display size | 1.04 " | 1.62 "lead |
| Weight | 37 g | 16 glead |
Frequently asked
Spec-level deep dives
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