Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Google - Charge 6 | Google - Inspire 3 |
|---|---|---|
| Battery life | 7 days | 10 days |
| Sport modes | 40 | 21 |
| GPS | true | false |
Between the Charge 6 and Inspire 3, the Charge 6 comes out ahead in sport modes / gps, while the Inspire 3 wins on battery life. Overall, the Charge 6 scores 77.4 and the Inspire 3 scores 66.4 on our Mars Score.
Which should you buy?
The Charge 6 is the clear pick on raw spec strength, leading by 11.0 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 sport modes / gps. The biggest gaps in its favor are sport modes, gps. The single most decisive one: Sport modes — 19.00 more. 40 vs 21.
Pick the Inspire 3 if you care most about battery life. Its strongest claims are battery life. The single most decisive one: Battery life — 42.86% more. 10 days vs 7 days.
Both ship with comparable spo2, water resistance, so those specs do not separate the two — focus on the differences below.
Bottom line: the Charge 6 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: Google - Charge 6 or Google - Inspire 3?
Google - Charge 6 leads the current Mars Score by 11.0 points.The more useful decision is the trade-off behind that result: compare battery life, gps against the way you will actually use the product.
Choose Google - Charge 6 if…
Google - Charge 6 has the measurable edge on sport modes, has gps.
Choose Google - Inspire 3 if…
Google - Inspire 3 has the measurable edge on battery days.
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 - Charge 6 wins
- ▲Sport modes — 19.00 more. 40 vs 21.
- ▲Has GPS.
Why Google - Inspire 3 wins
- ▲Battery life — 42.86% more. 10 days vs 7 days.
Spec comparison
Fitness
| Spec | Google - Charge 6 | Google - Inspire 3 |
|---|---|---|
| GPS | truelead | false |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 40lead | 21 |
Battery
| Spec | Google - Charge 6 | Google - Inspire 3 |
|---|---|---|
| Battery lifeⓘ | 7 days | 10 dayslead |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Design
| Spec | Google - Charge 6 | Google - Inspire 3 |
|---|---|---|
| Display size | 1.04 "lead | 0.74 " |
| Weight | 37 g | 21 glead |