Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Google - Fitbit Inspire 3 | Huawei - Band 9 |
|---|---|---|
| Sport modes | 21 | 100 |
| Battery life | 10 days | 9 days |
Between the Fitbit Inspire 3 and Band 9, the Fitbit Inspire 3 comes out ahead in battery life, while the Band 9 wins on sport modes. Overall, the Fitbit Inspire 3 scores 66.4 and the Band 9 scores 68.6 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (66.4 vs 68.6). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Fitbit Inspire 3 if you care most about battery life. The biggest gaps in its favor are battery life. The single most decisive one: Battery life — 11.11% more. 10 days vs 9 days.
Pick the Band 9 if you care most about sport modes. Its strongest claims are sport modes. The single most decisive one: Sport modes — 79.00 more. 100 vs 21.
Both ship with comparable gps, spo2, water resistance, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Google - Fitbit Inspire 3 or Huawei - Band 9?
Huawei - Band 9 leads the current Mars Score by 2.2 points.The more useful decision is the trade-off behind that result: compare battery life against the way you will actually use the product.
Choose Google - Fitbit Inspire 3 if…
Google - Fitbit Inspire 3 has the measurable edge on battery days.
Choose Huawei - Band 9 if…
Huawei - Band 9 has the measurable edge on sport modes.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Google - Fitbit Inspire 3 wins
- ▲Battery life — 11.11% more. 10 days vs 9 days.
Why Huawei - Band 9 wins
- ▲Sport modes — 79.00 more. 100 vs 21.
Spec comparison
Fitness
| Spec | Google - Fitbit Inspire 3 | Huawei - Band 9 |
|---|---|---|
| Form factor | Band | Band |
| GPS | false | false |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 21 | 100lead |
Battery
| Spec | Google - Fitbit Inspire 3 | Huawei - Band 9 |
|---|---|---|
| Battery lifeⓘ | 10 dayslead | 9 days |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Design
| Spec | Google - Fitbit Inspire 3 | Huawei - Band 9 |
|---|---|---|
| Display size | 0.74 " | 1.47 "lead |
| Weight | 21 g | 14 glead |