An ultralight running watch against a compact AMOLED sports watch with dual-band GPS.
Verdict
Buy the COROS PACE 4 if you want the lightest, thinnest running watch, 41 hours of GPS and up to 19 days of daily battery. Buy the Suunto Race S if you want dual-band GNSS, offline maps, a 1.32 inch AMOLED screen and 95+ sports modes with training load metrics. PACE 4 is the runner pick; Race S is the all-round sports pick.
Mid-range running watch
Check Suunto Race S Price| COROS PACE 4 | Suunto Race S | |
|---|---|---|
| Weight and thickness | 32 g (nylon band), 11.8 mm thin | 60 g |
| Display | 1.2 inch AMOLED touchscreen | 1.32 inch AMOLED, 466 dpi |
| Battery | 41 h GPS, up to 19 days daily | 30 h in performance mode, 13 days daily |
| GPS | See listing | Dual-band L1 and L5, five satellite systems |
| Controls | Digital crown, two buttons, touchscreen | Digital crown, touchscreen |
| Training tools | Recovery time, sleep stages, HRV, menstrual cycle tracking | TSS, CTL, HRV, VO2 and more (per listing) |
| Maps | See listing | Global offline maps, route navigation |
| Sports modes | See listing | 95+ |
The table compares the COROS PACE 4 and the Suunto Race S using their Amazon listings. Check size and strap options before ordering.
You mostly run, want a watch you barely notice on your wrist, and value battery life per gram.
You also hike, ride and use multiple sports, want offline maps and dual-band GPS, and do not mind a slightly heavier watch.
You want the most rugged outdoor build; see COROS APEX 4 vs NOMAD. If you live in the Garmin ecosystem, compare Garmin vs COROS running watches.
COROS is the lighter, longer-lasting pick for runners; Suunto adds dual-band GPS and offline maps at the cost of weight.
COROS PACE 4 lists 41 hours of GPS and 19 days daily; Suunto Race S lists 30 hours of performance-mode GPS and 13 days daily.
Yes. PACE 4 has a 1.2 inch AMOLED and Race S a 1.32 inch AMOLED.
Yes. Both are designed for running and multisport training.
Comparison researched from published manufacturer specifications, retailer listings and owner reviews. We have not tested these products side by side. Confirm current prices and specifications before buying. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.