Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Coros - Apex 2 | Coros - PACE 3 |
|---|---|---|
| GPS mode | 45 h | 38 h |
| Multi-band GPS | false | true |
Between the Apex 2 and PACE 3, the Apex 2 comes out ahead in gps mode, while the PACE 3 wins on multi-band gps. Overall, the Apex 2 scores 46.1 and the PACE 3 scores 71.4 on our Mars Score.
Which should you buy?
The PACE 3 is the clear pick on raw spec strength, leading by 25.3 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 Apex 2 if you care most about gps mode. The biggest gaps in its favor are gps mode. The single most decisive one: GPS mode — 18.42% more. 45 h vs 38 h.
Pick the PACE 3 if you care most about multi-band gps. Its strongest claims are multi-band gps. The single most decisive one: Has Multi-band GPS.
Both ship with comparable smartwatch mode, solar charging, ecg, so those specs do not separate the two — focus on the differences below.
Bottom line: the PACE 3 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: Coros - Apex 2 or Coros - PACE 3?
Coros - PACE 3 leads the current Mars Score by 25.3 points.The more useful decision is the trade-off behind that result: compare gps mode against the way you will actually use the product.
Choose Coros - Apex 2 if…
Coros - Apex 2 has the measurable edge on battery gps hours.
Choose Coros - PACE 3 if…
Coros - PACE 3 has the measurable edge on has multiband gps.
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 - Apex 2 wins
- ▲GPS mode — 18.42% more. 45 h vs 38 h.
Why Coros - PACE 3 wins
- ▲Has Multi-band GPS.
Spec comparison
GPS & Sensors
| Spec | Coros - Apex 2 | Coros - PACE 3 |
|---|---|---|
| Multi-band GPS | false | truelead |
| Barometric altimeter | true | true |
| Heart rate | true | true |
| ECG | false | false |
| Pulse Ox | true | true |
Battery
| Spec | Coros - Apex 2 | Coros - PACE 3 |
|---|---|---|
| Smartwatch mode | 17 days | 17 days |
| GPS mode | 45 hlead | 38 h |
| Solar charging | false | false |
Design
| Spec | Coros - Apex 2 | Coros - PACE 3 |
|---|---|---|
| Case size | 43 mmlead | 42 mm |
| Weight | 53 g | 39 glead |
| Water resistanceⓘ | 5 ATM | 5 ATM |