COROS Pace 4 Pro Unveiled with Bigger Battery, More RAM, and Largest Screen Yet

4 min read

Key specifications of the COROS Pace 4 Pro

The newest addition to COROS' outdoor smartwatch line brings three major upgrades. First, the device features the brand's biggest screen to date. Second, the battery capacity has been increased to support longer adventures. Third, the internal memory has been expanded, allowing smoother performance and more data storage.

Supersized screen for clearer navigation

At 1.43 inches, the display surpasses the previous model by a noticeable margin. The higher pixel density delivers sharper maps, easier text reading, and more vibrant colors even in bright sunlight. Users who rely on on‑screen navigation will appreciate the extra real estate for route details and health metrics.

Battery life that matches endurance sports

With a 500 mAh cell, the Pace 4 Pro promises up to 30 days of standby and 30 hours of continuous GPS tracking. This improvement stems from both a larger capacity cell and refined power‑management firmware. For athletes who spend multiple days on the trail, the extended runtime reduces the need for frequent charging.

More RAM for smoother multitasking

The smartwatch now includes 2 GB of RAM, double the amount found in its predecessor. The added memory enables faster app launches, smoother scrolling through menus, and better handling of simultaneous sensor inputs such as heart‑rate, altitude, and temperature.

Design and durability

Beyond the internal upgrades, the Pace 4 Pro retains COROS' reputation for rugged construction. The case is crafted from aerospace‑grade aluminum, and the sapphire‑glass front resists scratches. The device meets MIL‑STD‑810G standards for shock and vibration, making it suitable for mountain climbing, trail running, and water sports.

  • Water resistance up to 10 ATM
  • Temperature range from –20 °C to 50 °C
  • Integrated GPS, GLONASS, and BeiDou constellations

Software features and ecosystem

Running COROS' proprietary OS, the Pace 4 Pro supports a suite of outdoor‑focused apps. Users can plan routes, receive real‑time weather updates, and analyze post‑activity data through the COROS app. The larger screen allows more detailed charts, while the extra RAM ensures the charts load without delay.

Health and training tools

Key health metrics include continuous heart‑rate monitoring, blood‑oxygen saturation, and sleep tracking. Advanced training modes such as interval, hill repeat, and ultramarathon are built in, and the watch can sync with popular platforms like Strava and TrainingPeaks.

Market context and competition

Smartwatch manufacturers have been pushing larger displays and longer battery life to attract serious athletes. According to the IDC smartwatch market report, global shipments are expected to exceed 150 million units in 2024, driven by demand for outdoor‑ready devices.

Competitors such as Garmin and Suunto have also released models with expansive screens and extended battery capacity. However, COROS differentiates itself with a focus on lightweight design and a streamlined user interface that avoids unnecessary clutter.

Battery technology insights

The increased capacity is achieved through a higher energy density lithium‑polymer cell. For readers interested in the science behind longer runtimes, Battery University provides a detailed explanation of how cell chemistry and firmware optimization work together to extend battery life.

Connectivity and standards compliance

Beyond GPS, the Pace 4 Pro supports Bluetooth 5.2, ANT+, and Wi‑Fi for data syncing. The device complies with the IEEE 802.15.4 standard, ensuring reliable low‑power communication with accessories such as heart‑rate straps and cadence sensors.

User experience and real‑world feedback

Early reviewers have highlighted the impact of the larger screen on route planning. A reviewer from The Verge noted that map details are now readable without zooming, which reduces distraction during runs.

Feedback also points to the smoother performance thanks to the added RAM. Users report that switching between activity modes feels instantaneous, and the watch rarely lags when displaying live sensor data.

Pricing and availability

The Pace 4 Pro launches at a price point of $299 USD, positioning it between entry‑level fitness trackers and premium multisport watches. It is available for purchase directly from the COROS official product page and through selected retailers worldwide.

Overall, the combination of a larger display, a higher capacity battery, and more RAM makes the Pace 4 Pro a compelling option for athletes who need reliable data, extended endurance, and a clear visual interface during demanding outdoor activities.

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