| Display | 1.2-inch AMOLED touchscreen with tapered edge and automatic brightness (COROS cites 164% higher resolution than PACE 3) | Always-On display; cover glass 4x more resistant to cracks than previous generation (Ion-X) |
|---|
| Body | 11.8 mm thick; 32 g with nylon band, 40 g with silicone band; Standard White version with fiber-reinforced polymer bezel; Black Crystal and Cloud White versions with aluminum alloy bezel | — |
|---|
| Battery | Up to 19 days of daily use; up to 41 hours of GPS in All Systems (High) GPS mode | Up to 18 hours; 15 minutes of fast charging adds up to 8 hours, about 80% in 45 minutes |
|---|
| Positioning | All-Systems and Dual-Frequency satellite modes | — |
|---|
| Sensors | Redesigned optical heart rate sensor with larger LEDs, built-in microphone | — |
|---|
| Controls | Touchscreen, two buttons and a tactile digital dial, plus an Action Button for data screens, media controls, breadcrumb navigation and Voice Pins | — |
|---|
| Charging | USB-C charging adapter (cable not included) | — |
|---|
| Bands | Interchangeable silicone or nylon bands | — |
|---|
| Sports | Running fitness scores and tests, race predictions, personalized marathon plans, Virtual Pacer, Effort Pace, real-time activity alerts | — |
|---|
| Health | HRV, sleep, recovery time and menstrual cycle tracking | — |
|---|
| Media | On-watch media controls for skipping tracks or podcasts and adjusting volume | — |
|---|
| Case Size | — | 40mm / 44mm aluminium (midnight, starlight) |
|---|
| Chipset | — | Apple S10 |
|---|
| Health Sensors | — | Heart rate, wrist temperature sensing, sleep score, sleep apnea notifications, retrospective ovulation estimates |
|---|
| Connectivity | — | 5G cellular models |
|---|
| OS | — | watchOS 26 (requires iPhone 11 or later with iOS 26) |
|---|
