| Display | 1.5" AMOLED, 480 x 480, 323 PPI, tempered glass | 1.2-inch AMOLED touchscreen with tapered edge and automatic brightness (COROS cites 164% higher resolution than PACE 3) |
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| Case | 46 x 46 x 10.6 mm, aluminum alloy middle frame, fiber-reinforced polymer bottom shell, 35 g without strap | — |
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| Battery | Up to 14 days typical use (up to 5 days with always-on display), 475 mAh | Up to 19 days of daily use; up to 41 hours of GPS in All Systems (High) GPS mode |
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| Water Resistance | 5 ATM | — |
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| GPS | Dual-band GPS, 6 satellite systems, offline maps | — |
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| Sensors | BioTracker 5.0 PPG (8PD + 2LED), BIA bioelectric impedance, accelerometer, gyroscope, geomagnetic, barometric, ambient light, temperature | Redesigned optical heart rate sensor with larger LEDs, built-in microphone |
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| Connectivity | Wi-Fi 2.4GHz, Bluetooth 5.0, Bluetooth phone calls | — |
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| Storage | Music storage up to 2.2GB | — |
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| OS | Zepp OS 3.0 at launch (later Zepp OS 3.5 / 4) | — |
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| Compatibility | Android 7.0+, iOS 14.0+ | — |
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| 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 |
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| Positioning | — | All-Systems and Dual-Frequency satellite modes |
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| Controls | — | Touchscreen, two buttons and a tactile digital dial, plus an Action Button for data screens, media controls, breadcrumb navigation and Voice Pins |
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| Charging | — | USB-C charging adapter (cable not included) |
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| Bands | — | Interchangeable silicone or nylon bands |
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| Sports | — | Running fitness scores and tests, race predictions, personalized marathon plans, Virtual Pacer, Effort Pace, real-time activity alerts |
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| Health | — | HRV, sleep, recovery time and menstrual cycle tracking |
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| Media | — | On-watch media controls for skipping tracks or podcasts and adjusting volume |
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