Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Garmin - Lily 2 | Garmin - vivosmart 5 |
|---|---|---|
| Battery life | 5 days | 7 days |
| Sport modes | 20 | 14 |
Between the Lily 2 and vivosmart 5, the Lily 2 comes out ahead in sport modes, while the vivosmart 5 wins on battery life. Overall, the Lily 2 scores 64.2 and the vivosmart 5 scores 63.9 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (64.2 vs 63.9). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Lily 2 if you care most about sport modes. The biggest gaps in its favor are sport modes. The single most decisive one: Sport modes — 6.00 more. 20 vs 14.
Pick the vivosmart 5 if you care most about battery life. Its strongest claims are battery life. The single most decisive one: Battery life — 40.00% more. 7 days vs 5 days.
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: Garmin - Lily 2 or Garmin - vivosmart 5?
Garmin - Lily 2 leads the current Mars Score by 0.3 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 Garmin - Lily 2 if…
Garmin - Lily 2 has the measurable edge on sport modes.
Choose Garmin - vivosmart 5 if…
Garmin - vivosmart 5 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 Garmin - Lily 2 wins
- ▲Sport modes — 6.00 more. 20 vs 14.
Why Garmin - vivosmart 5 wins
- ▲Battery life — 40.00% more. 7 days vs 5 days.
Spec comparison
Fitness
| Spec | Garmin - Lily 2 | Garmin - vivosmart 5 |
|---|---|---|
| GPS | false | false |
| Heart rate | true | true |
| SpO2 | true | true |
| Sleep tracking | true | true |
| Sport modes | 20lead | 14 |
Battery
| Spec | Garmin - Lily 2 | Garmin - vivosmart 5 |
|---|---|---|
| Battery lifeⓘ | 5 days | 7 dayslead |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Design
| Spec | Garmin - Lily 2 | Garmin - vivosmart 5 |
|---|---|---|
| Display size | 1.0 "lead | 0.73 " |
| Weight | 21 glead | 26 g |