Between the Galaxy Fit 3 and Smart Band 9, the Galaxy Fit 3 comes out ahead in several specs, while the Smart Band 9 wins on battery life and sport modes. Overall, the Galaxy Fit 3 scores 63.4 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 15.4 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.
The Galaxy Fit 3 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 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 gps, 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 Samsung - Galaxy Fit 3 wins
- No decisive advantages.
Why Xiaomi - Smart Band 9 wins
- ▲Battery life — 61.54% more. 21 days vs 13 days.
- ▲Sport modes — 50.00 more. 150 vs 100.
Spec comparison
Fitness
| Spec | Samsung - Galaxy Fit 3 | Xiaomi - Smart Band 9 |
|---|---|---|
| GPS | false | false |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 100 | 150lead |
Battery
| Spec | Samsung - Galaxy Fit 3 | Xiaomi - Smart Band 9 |
|---|---|---|
| Battery life | 13 days | 21 dayslead |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Design
| Spec | Samsung - Galaxy Fit 3 | Xiaomi - Smart Band 9 |
|---|---|---|
| Display size | 1.6 " | 1.62 "lead |
| Weight | 18.5 g | 16 glead |
Frequently asked
Spec-level deep dives
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