COROS
Device summary
Suunto
Core 2
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2025 | 2026 |
| Starting price | $349 | $199 |
| Display size | 1.3-inch | 1.3-inch |
| Dimensions | 47.8 mm × 47.8 mm × 14.8 mm | 49.0 mm × 49.0 mm × 14.8 mm |
| Weight | 49 g | 74 g |
| Front material | Hardened mineral glass | Gorilla Glass |
| Back material | Fiber-reinforced polymer | Composite |
| Display | ||
| Display technology | Memory-in-Pixel (3rd gen MIP touch) | LED dot-matrix |
| Resolution | 260 × 260 | — |
| Protection | Hardened mineral glass | Gorilla Glass |
| Performance | ||
| Chipset | All-satellite dual-frequency GNSS | — |
| Storage | 32 GB | — |
| Expandable storage | No | No |
| Battery & charging | ||
| Charging standard | Magnetic charging (<2 h). Daily use 22 days; all-systems GPS 50 h; dual-frequency GPS 34 h; Endurance all-systems 56 h (extended mode — not everyday life); music modes shorter | User-replaceable coin cell — no USB charging |
| Battery type | Lithium-ion | Replaceable CR3032 coin cell (up to ~15 months typical use) |
| Connectivity | ||
| Cellular | GPS / GLONASS / Galileo / BeiDou / QZSS (dual-frequency), Downloadable global Landscape / Topo maps, Dual microphone / Voice Pins, Fishing and outdoor sport modes | Altimeter / barometer / compass (ABC), Storm alarm, Moon phase, Step counter, No onboard GPS |
| Wi‑Fi | Wi-Fi / COROS App | — |
| Bluetooth | Bluetooth | Bluetooth (Suunto app sync / firmware) |
| Build & durability | ||
| Frame | Fiber-reinforced polymer + aluminum alloy bezel | Reinforced composite; stainless steel bezel |
| Ingress protection | 5 ATM | 10 ATM / MIL-STD-810H |
| Basic information | ||
|---|---|---|
| Release year | 2025 | 2026 |
| Starting price | $349 | $199 |
| Display size | 1.3-inch | 1.3-inch |
| Dimensions | 47.8 mm × 47.8 mm × 14.8 mm | 49.0 mm × 49.0 mm × 14.8 mm |
| Weight | 49 g | 74 g |
| Front material | Hardened mineral glass | Gorilla Glass |
| Back material | Fiber-reinforced polymer | Composite |
| Display | ||
| Display technology | Memory-in-Pixel (3rd gen MIP touch) | LED dot-matrix |
| Resolution | 260 × 260 | — |
| Protection | Hardened mineral glass | Gorilla Glass |
| Performance | ||
| Chipset | All-satellite dual-frequency GNSS | — |
| Storage | 32 GB | — |
| Expandable storage | No | No |
| Battery & charging | ||
| Charging standard | Magnetic charging (<2 h). Daily use 22 days; all-systems GPS 50 h; dual-frequency GPS 34 h; Endurance all-systems 56 h (extended mode — not everyday life); music modes shorter | User-replaceable coin cell — no USB charging |
| Battery type | Lithium-ion | Replaceable CR3032 coin cell (up to ~15 months typical use) |
| Connectivity | ||
| Cellular | GPS / GLONASS / Galileo / BeiDou / QZSS (dual-frequency), Downloadable global Landscape / Topo maps, Dual microphone / Voice Pins, Fishing and outdoor sport modes | Altimeter / barometer / compass (ABC), Storm alarm, Moon phase, Step counter, No onboard GPS |
| Wi‑Fi | Wi-Fi / COROS App | — |
| Bluetooth | Bluetooth | Bluetooth (Suunto app sync / firmware) |
| Build & durability | ||
| Frame | Fiber-reinforced polymer + aluminum alloy bezel | Reinforced composite; stainless steel bezel |
| Ingress protection | 5 ATM | 10 ATM / MIL-STD-810H |
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Height
Core 2
1.2 mm taller · minor difference
Width
Core 2
1.2 mm wider · minor difference
Thickness
Very similar thickness
Display size
Very similar display size