COROS PACE 4 Pro vs Motorola Watch Ultra: which should you buy?

Key differences

Still a tie on the makers' figures: the two read the same on water resistance. Pick on price, or on what each Guide says it is best for.

• Peak brightness: 3,500 nits vs 2700 nitsCOROS PACE 4 Pro: 3,500 nits ConfirmedSourceMotorola Watch Ultra: 2700 nits (1.5-inch curved pOLED, up to 2700 nits, always-on) ConfirmedSource

From each maker's own specifications. A point is listed only when both makers state a figure and the two differ; a point either maker does not state is left out, never guessed. Two figures measured under different conditions are shown side by side, not compared.

Who should buy which

• The COROS PACE 4 Pro Guide names it for running and travel.Running: Heart rate ran right in line with a chest strap on runs, and Effort Pace, a race predictor and Virtual Pacer plan your sessions. Source linkedSourceTravel: Pack it for a long trip: 60 hours of GPS and 21 days of daily use per charge. Source linkedSource
• The Motorola Watch Ultra Guide names it for fitness and sleep.Fitness: Fitness tracking powered by Polar, with calorie estimates, activity breaks and dual-band GPS for workouts. Source linkedSourceSleep: Multi-stage sleep tracking with Polar's Sleep Plus Stages and Nightly Recharge. Source linkedSource

From what each Guide names the product best for. Both Guides also name navigation.