Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Amazfit - Band 7 | Google - Inspire 3 |
|---|---|---|
| Sport modes | 120 | 21 |
| Battery life | 18 days | 10 days |
Between the Band 7 and Inspire 3, the Band 7 comes out ahead in sport modes / battery life, while the Inspire 3 wins on several specs. Overall, the Band 7 scores 72.2 and the Inspire 3 scores 66.4 on our Mars Score.
Which should you buy?
The Band 7 edges ahead on the Mars Score (72.2 vs 66.4), but the 5.8-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Band 7 if you care most about sport modes / battery life. The biggest gaps in its favor are sport modes, battery life. The single most decisive one: Sport modes — 99.00 more. 120 vs 21.
The Inspire 3 similarly does not 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 do not 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.
Which should you buy: Amazfit - Band 7 or Google - Inspire 3?
Amazfit - Band 7 leads the current Mars Score by 5.8 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 Amazfit - Band 7 if…
Amazfit - Band 7 has the measurable edge on sport modes, battery days.
Choose Google - Inspire 3 if…
Google - Inspire 3 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 Amazfit - Band 7 wins
- ▲Sport modes — 99.00 more. 120 vs 21.
- ▲Battery life — 80.00% more. 18 days vs 10 days.
Why Google - Inspire 3 wins
- No decisive advantages.
Spec comparison
Fitness
| Spec | Amazfit - Band 7 | Google - Inspire 3 |
|---|---|---|
| GPS | false | false |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 120lead | 21 |
Battery
| Spec | Amazfit - Band 7 | Google - Inspire 3 |
|---|---|---|
| Battery lifeⓘ | 18 dayslead | 10 days |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Design
| Spec | Amazfit - Band 7 | Google - Inspire 3 |
|---|---|---|
| Display size | 1.47 "lead | 0.74 " |
| Weight | 28 g | 21 glead |