COROS
Device summary
Garmin
epix Pro (Gen 2) 42mm
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2025 | 2023 |
| Starting price | $429 | — |
| Display size | 1.2-inch | 1.2-inch |
| Dimensions | 42.6 mm × 42.6 mm × 14.0 mm | 42.0 mm × 42.0 mm × 14.1 mm |
| Weight | 44 g | 47 g |
| Front material | Sapphire glass | — |
| Back material | Fiber-reinforced polymer | — |
| Display | ||
| Display technology | Memory-in-Pixel (3rd gen MIP touch) | AMOLED |
| Resolution | 240 × 240 | 390 × 390 |
| Protection | Sapphire glass | — |
| Performance | ||
| Chipset | All-satellite dual-frequency GNSS | — |
| Storage | 32 GB | — |
| Expandable storage | No | — |
| Battery & charging | ||
| Charging standard | Magnetic charging (<2 h). Daily use 15 days; all-systems GPS 34 h; dual-frequency GPS 26 h; Endurance all-systems 41 h (extended mode — not everyday life); music modes shorter | Garmin proprietary clip / USB charging |
| Battery type | Lithium-ion | Lithium-ion |
| Connectivity | ||
| Cellular | GPS / GLONASS / Galileo / BeiDou / QZSS (dual-frequency), Downloadable global Landscape / Topo maps, Speaker + dual microphone, ECG sensor | GPS / multi-GNSS |
| Wi‑Fi | Wi-Fi / COROS App | — |
| Bluetooth | Bluetooth | Bluetooth |
| NFC | — | Yes |
| Build & durability | ||
| Frame | Fiber-reinforced polymer; Grade 5 titanium bezel | Fiber-reinforced polymer |
| Ingress protection | 5 ATM | 10 ATM |
| Basic information | ||
|---|---|---|
| Release year | 2025 | 2023 |
| Starting price | $429 | — |
| Display size | 1.2-inch | 1.2-inch |
| Dimensions | 42.6 mm × 42.6 mm × 14.0 mm | 42.0 mm × 42.0 mm × 14.1 mm |
| Weight | 44 g | 47 g |
| Front material | Sapphire glass | — |
| Back material | Fiber-reinforced polymer | — |
| Display | ||
| Display technology | Memory-in-Pixel (3rd gen MIP touch) | AMOLED |
| Resolution | 240 × 240 | 390 × 390 |
| Protection | Sapphire glass | — |
| Performance | ||
| Chipset | All-satellite dual-frequency GNSS | — |
| Storage | 32 GB | — |
| Expandable storage | No | — |
| Battery & charging | ||
| Charging standard | Magnetic charging (<2 h). Daily use 15 days; all-systems GPS 34 h; dual-frequency GPS 26 h; Endurance all-systems 41 h (extended mode — not everyday life); music modes shorter | Garmin proprietary clip / USB charging |
| Battery type | Lithium-ion | Lithium-ion |
| Connectivity | ||
| Cellular | GPS / GLONASS / Galileo / BeiDou / QZSS (dual-frequency), Downloadable global Landscape / Topo maps, Speaker + dual microphone, ECG sensor | GPS / multi-GNSS |
| Wi‑Fi | Wi-Fi / COROS App | — |
| Bluetooth | Bluetooth | Bluetooth |
| NFC | — | Yes |
| Build & durability | ||
| Frame | Fiber-reinforced polymer; Grade 5 titanium bezel | Fiber-reinforced polymer |
| Ingress protection | 5 ATM | 10 ATM |
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Height
APEX 4 42mm
0.6 mm taller · minor difference
Width
APEX 4 42mm
0.6 mm wider · minor difference
Thickness
Very similar thickness
Display size
Very similar display size