Coros - VERTIX 2S vs Suunto - Vertical Titanium Solar
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Coros - VERTIX 2S | Suunto - Vertical Titanium Solar |
|---|---|---|
| Smartwatch mode | 42 days | 60 days |
| GPS mode | 118 h | 85 h |
Between the VERTIX 2S and Vertical Titanium Solar, the VERTIX 2S comes out ahead in gps mode, while the Vertical Titanium Solar wins on smartwatch mode. Overall, the VERTIX 2S scores 76.5 and the Vertical Titanium Solar scores 80 on our Mars Score.
Which should you buy?
The Vertical Titanium Solar edges ahead on the Mars Score (76.5 vs 80), but the 3.5-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the VERTIX 2S if you care most about gps mode. The biggest gaps in its favor are gps mode. The single most decisive one: GPS mode — 38.82% more. 118 h vs 85 h.
Pick the Vertical Titanium Solar if you care most about smartwatch mode. Its strongest claims are smartwatch mode. The single most decisive one: Smartwatch mode — 42.86% more. 60 days vs 42 days.
Both ship with comparable multi-band gps, solar charging, ecg, 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: Coros - VERTIX 2S or Suunto - Vertical Titanium Solar?
Suunto - Vertical Titanium Solar leads the current Mars Score by 3.5 points.The more useful decision is the trade-off behind that result: compare smartwatch mode, gps mode against the way you will actually use the product.
Choose Coros - VERTIX 2S if…
Coros - VERTIX 2S has the measurable edge on battery gps hours.
Choose Suunto - Vertical Titanium Solar if…
Suunto - Vertical Titanium Solar has the measurable edge on battery smartwatch 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 Coros - VERTIX 2S wins
- ▲GPS mode — 38.82% more. 118 h vs 85 h.
Why Suunto - Vertical Titanium Solar wins
- ▲Smartwatch mode — 42.86% more. 60 days vs 42 days.
Spec comparison
GPS & Sensors
| Spec | Coros - VERTIX 2S | Suunto - Vertical Titanium Solar |
|---|---|---|
| Multi-band GPS | true | true |
| Barometric altimeter | true | true |
| Heart rate | true | true |
| ECG | false | false |
| Pulse Ox | true | true |
Battery
| Spec | Coros - VERTIX 2S | Suunto - Vertical Titanium Solar |
|---|---|---|
| Smartwatch mode | 42 days | 60 dayslead |
| GPS mode | 118 hlead | 85 h |
| Solar charging | true | true |
Design
| Spec | Coros - VERTIX 2S | Suunto - Vertical Titanium Solar |
|---|---|---|
| Case size | 50.3 mmlead | 49 mm |
| Weight | 84 g | 74 glead |
| Water resistanceⓘ | 10 ATM | 10 ATM |