Between the PACE 3 and epix Pro (Gen 2), the PACE 3 comes out ahead in smartwatch mode, while the epix Pro (Gen 2) wins on gps mode and ecg. Overall, the PACE 3 scores 46.6 and the epix Pro (Gen 2) scores 49.8 on our Mars Score.
Which should you buy?
The epix Pro (Gen 2) edges ahead on the Mars Score (46.6 vs 49.8), but the 3.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the PACE 3 if you care most about smartwatch mode. The biggest gaps in its favor are smartwatch mode.
Pick the epix Pro (Gen 2) if you care most about gps mode and ecg. Its strongest claims are gps mode, ecg.
Both ship with comparable multi-band gps, solar charging, so those specs don't 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 tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Coros - PACE 3 wins
- ▲Smartwatch mode — 6.25% more. 17 days vs 16 days.
Why Garmin - epix Pro (Gen 2) wins
- ▲GPS mode — 115.79% more. 82 h vs 38 h.
- ▲Has ECG.
Spec comparison
GPS & Sensors
| Spec | Coros - PACE 3 | Garmin - epix Pro (Gen 2) |
|---|---|---|
| Multi-band GPS | true | true |
| Barometric altimeter | true | true |
| Heart rate | true | true |
| ECG | false | truelead |
| Pulse Ox | true | true |
Battery
| Spec | Coros - PACE 3 | Garmin - epix Pro (Gen 2) |
|---|---|---|
| Smartwatch mode | 17 dayslead | 16 days |
| GPS mode | 38 h | 82 hlead |
| Solar charging | false | false |
Design
| Spec | Coros - PACE 3 | Garmin - epix Pro (Gen 2) |
|---|---|---|
| Case size | 42 mm | 47 mmlead |
| Weight | 39 glead | 76 g |
| Water resistanceⓘ | 5 ATM | 10 ATMlead |
Frequently asked
Spec-level deep dives
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