Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Google - Charge 6 | WHOOP - 5.0 |
|---|---|---|
| Battery life | 7 days | 14 days |
| Sport modes | 40 | 120 |
| Water resistance | 5 ATM | 10 ATM |
| GPS | true | false |
Between the Charge 6 and 5.0, the Charge 6 comes out ahead in gps, while the 5.0 wins on battery life / sport modes. Overall, the Charge 6 scores 77.4 and the 5.0 scores 66.6 on our Mars Score.
Which should you buy?
The Charge 6 is the clear pick on raw spec strength, leading by 10.8 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 gps. The biggest gaps in its favor are gps. The single most decisive one: Has GPS.
Pick the 5.0 if you care most about battery life / sport modes. Its strongest claims are battery life, sport modes, water resistance. The single most decisive one: Battery life — 100.00% more. 14 days vs 7 days.
Both ship with comparable spo2, 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 WHOOP - 5.0?
Google - Charge 6 leads the current Mars Score by 10.8 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 has gps.
Choose WHOOP - 5.0 if…
WHOOP - 5.0 has the measurable edge on battery days, sport modes, water resistance atm.
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
- ▲Has GPS.
Why WHOOP - 5.0 wins
- ▲Battery life — 100.00% more. 14 days vs 7 days.
- ▲Sport modes — 80.00 more. 120 vs 40.
- ▲Water resistance — 5.00 ATM more. 10 vs 5.
Spec comparison
Fitness
| Spec | Google - Charge 6 | WHOOP - 5.0 |
|---|---|---|
| GPS | truelead | false |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 40 | 120lead |
Battery
| Spec | Google - Charge 6 | WHOOP - 5.0 |
|---|---|---|
| Battery lifeⓘ | 7 days | 14 dayslead |
| Water resistanceⓘ | 5 ATM | 10 ATMlead |
Design
| Spec | Google - Charge 6 | WHOOP - 5.0 |
|---|---|---|
| Display size | 1.04 "lead | 0 " |
| Weight | 37 g | 21 glead |