Coros PACE 4 Pro vs Suunto 9 Peak Pro
Coros PACE 4 Pro (2026, listed at $449) and Suunto 9 Peak Pro (2022, listed at $549) are both sport watches, so the choice comes down to specifics.
Specs last updated · table prices are list prices; each card shows Amazon's current price when available
Coros PACE 4 Pro
Titanium bezel and sapphire glass around COROS's biggest AMOLED (1.47 inch): dual-frequency GPS, 32 GB for music and maps, up to 21 days of daily use.
Suunto 9 Peak Pro
Slim 10.8mm titanium adventurer — dual-band GPS, breadcrumb maps, 21-day smartwatch battery.
The verdict
On the numbers we track, Coros PACE 4 Pro wins on weight (51 g vs 55 g), price ($449 vs $549) and tracked features (6 vs 4); Suunto 9 Peak Pro wins on water rating (10ATM vs 5ATM).
Bottom line: on raw specs the Coros PACE 4 Pro leads 3 to 1, but five spec categories are only a starting point. Match it to your phone, your main sport and your budget before you decide, or run the free quiz to see how each ranks for your answers.
Spec by spec
| Spec | Coros PACE 4 Pro | Suunto 9 Peak Pro |
|---|---|---|
| Battery (rated) | 21 days | 21 days |
| Weight | 51 g | 55 g |
| List price | $449 | $549 |
| Water rating | 5ATM | 10ATM |
| Tracked features | 6 | 4 |
| Case size | 47.6 mm | 43 mm |
| Display | AMOLED | MIP |
| Works with | both iPhone and Android | both iPhone and Android |
| Listed best for | running and multisport and triathlon | outdoor adventure, multisport and triathlon and running |
| Released | 2026 | 2022 |
Trophy marks the better value on the five measurable specs. Battery is the manufacturer's rating, not our test. How we score is on the methodology page.
Feature overlap
Both have (4)
- built-in GPS
- blood-oxygen (SpO₂)
- offline maps
- swim tracking
Only Coros PACE 4 Pro (2)
- on-device music
- AMOLED display
Only Suunto 9 Peak Pro (0)
Nothing unique.
Which one should you pick?
Pick the Coros PACE 4 Pro if…
- You want to spend less: it lists for $100 less.
- You want a lighter watch: 51 g vs 55 g.
- You need on-device music and AMOLED display, which the Suunto 9 Peak Pro does not list.
- You might switch phones: it works with both iPhone and Android, the Suunto 9 Peak Pro only works with Android.
- You want the newer model (2026 vs 2022).
Skip it if…
- • You have a small wrist (under about 160 mm) — the 47.6 mm case we list is large (check whether a smaller size is sold).
Pick the Suunto 9 Peak Pro if…
- Your main use is outdoor adventure: it is listed for that and the Coros PACE 4 Pro is not.
- You might switch phones: it works with both iPhone and Android, the Coros PACE 4 Pro only works with Android.
- You swim or paddle: 10ATM vs 5ATM.
- You want a display that stays readable in direct sun and sips power.
Skip it if…
- • You want a bright, vivid AMOLED screen — this one uses a lower-power display.
Frequently asked questions
Which has better battery life, the Coros PACE 4 Pro or the Suunto 9 Peak Pro?
They are rated the same, at about 21 days per charge. Real-world life depends on GPS, display and cellular use.
Which is cheaper, the Coros PACE 4 Pro or the Suunto 9 Peak Pro?
The Coros PACE 4 Pro has the lower list price: $449 against $549 in our database. List prices change often, so check Amazon for today's price.
Do the Coros PACE 4 Pro and Suunto 9 Peak Pro work with iPhone and Android?
Yes, they have the same phone support: both iPhone and Android.
Which is better for swimming, the Coros PACE 4 Pro or the Suunto 9 Peak Pro?
Coros PACE 4 Pro: 5ATM is suitable for showering and pool swimming, but not for high-speed water sports or diving. Suunto 9 Peak Pro: 10ATM is suitable for swimming and surface water sports. It is not a dive rating unless the maker says so.
Not sure either is right for you?
Nine questions about your phone, sport, wrist and budget, scored against all of our watches with the reasoning shown.
Take the free quizWhere each one ranks #1 in our quiz
Coros PACE 4 Pro
It is not the top pick for any standard quiz profile.