Between the Band 7 and Galaxy Fit 3, the Band 7 comes out ahead in battery life and sport modes, while the Galaxy Fit 3 wins on several specs. Overall, the Band 7 scores 73.1 and the Galaxy Fit 3 scores 63.4 on our Mars Score.
Which should you buy?
The Band 7 is the clear pick on raw spec strength, leading by 9.7 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.
The Galaxy Fit 3 similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable gps, 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 — 38.46% more. 18 days vs 13 days.
- ▲Sport modes — 20.00 more. 120 vs 100.
Why Samsung - Galaxy Fit 3 wins
- No decisive advantages.
Spec comparison
Fitness
| Spec | Amazfit - Band 7 | Samsung - Galaxy Fit 3 |
|---|---|---|
| GPS | false | false |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 120lead | 100 |
Battery
| Spec | Amazfit - Band 7 | Samsung - Galaxy Fit 3 |
|---|---|---|
| Battery life | 18 dayslead | 13 days |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Design
| Spec | Amazfit - Band 7 | Samsung - Galaxy Fit 3 |
|---|---|---|
| Display size | 1.47 " | 1.6 "lead |
| Weight | 28 g | 18.5 glead |
Frequently asked
Spec-level deep dives
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