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Head-to-head · Best Gps Running Watches

Apple Watch Ultra 3 vs Garmin Forerunner 55

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Garmin Forerunner 55 comes out ahead by a narrow margin (4.5 vs 4.4). Garmin Forerunner 55 is best for: Beginners seeking core metrics in a lightweight form factor. Read the strengths below before deciding.

Apple Watch Ultra 3
Ranked #4 in Best Gps Running Watches
Apple Watch Ultra 3
3 sources$649as of Oct 16

The Apple Watch Ultra 3 introduces two-way satellite communications, a first for the line that Dcrainmaker found works seamlessly in remote conditions to enable emergency SOS and text messaging. The LTPO3 OLED display delivers up to 3000 nits of brightness and a faster 1Hz always-on refresh rate, with OutdoorGearLab measuring peak luminance at the stated maximum. Battery life routinely exceeds Apple’s 42-hour claim, reaching 55-62 hours in daily use according to Birchtree.me, while charging to 80% takes approximately 45 minutes. However, the titanium case remains bulky at 12mm thick and 61.8g, making it cumbersome for sleep tracking or formal wear as noted by Ablogtowatch. Native workout tracking lacks map screens during activities, forcing users to rely on third-party apps like WorkOutDoors for route navigation, a limitation highlighted by Trail & Kale. This device fits outdoor enthusiasts who prioritize safety and battery endurance over specialized sports analytics, while serious athletes seeking detailed training metrics should look elsewhere.

Strengths
  • — Satellite connectivity enables SOS emergency calls and two-way text messaging when off-grid.
  • — LTPO3 display offers wider viewing angles, up to 3000 nits brightness, and a 1-second always-on refresh rate for ticking seconds.
  • — Charging speed improved from 60 minutes to roughly 45 minutes for an 80% charge.
Watch-outs
  • — The titanium case measures 12mm thick and weighs 61.8g, making it bulky compared to standard smartwatches.
  • — Native workout tracking lacks map screens during activities, requiring third-party apps like WorkOutDoors for route navigation.
$649 · Check Price on AmazonFull review →
Garmin Forerunner 55
Higher ratedRanked #3 in Best Gps Running Watches
Garmin Forerunner 55
2 sources$199.99as of Oct 11

The Garmin Forerunner 55 delivers reliable GPS distance accuracy and precise heart rate monitoring via its Elevate V3 sensor, making it a strong entry-level choice for runners. Dcrainmaker found the inclusion of PacePro dynamic pacing guidance to be a significant value-add at this price point, while Runningshoesguru highlighted how Garmin Coach adaptive training plans help users transition from basic fitness tracking to structured routines. However, the watch lacks true offline navigation with map visuals and features a lower-resolution Memory-In-Pixel display without touchscreen controls. OutdoorGearLab noted that these interface limitations are deliberate trade-offs for cost efficiency but restrict its utility for complex trail exploration. This device fits beginners seeking core metrics in a lightweight 37g form factor, whereas experienced hikers or those demanding high-definition screens should look elsewhere.

Strengths
  • — Includes Garmin Coach adaptive training plans and daily suggested workouts based on recovery
  • — Features PacePro dynamic course-based pacing guidance for races
  • — Offers accurate heart rate monitoring with the Elevate V3 optical sensor
Watch-outs
  • — Lacks true offline navigation and route-following map visuals
  • — Screen is lower resolution Memory-In-Pixel display compared to premium models
  • — No touchscreen interface, relying solely on physical buttons
$199.99 · Buy at garmin.comFull review →

How they stack up

Apple Watch Ultra 3

The Apple Watch Ultra 3 lists 14 hours of GPS battery life, under the 20 hours of the Garmin Forerunner 55, the 41 hours of the Coros Pace 4 and the 120 hours of the Garmin Enduro 3. Its 49mm titanium case weighs 61.8g, close to the 63 g Garmin Enduro 3 and nearly double the 32g Coros Pace 4.

Garmin Forerunner 55

The Garmin Forerunner 55 is an entry-level device with a lower-resolution MIP display, lacking the touchscreen interface found on the Coros Pace 4. It offers up to 20 hours of GPS battery life, which is less than the 41 hours provided by the Coros Pace 4 but comparable to the Garmin Forerunner 970's 21-hour runtime.

Specs side-by-side

SpecApple Watch Ultra 3Garmin Forerunner 55
Display SizeLTPO3 OLED (1.92in)1.04" (26.3 mm) diameter
Display TypeAlways-on LTPO3 OLEDsunlight-visible, transflective memory-in-pixel (MIP)
GPS Battery Life14 hoursUp to 20 hours
Water ResistanceWR100 / EN133195 ATM
Case Size49mm42mm
Case Materialtitanium—
Weight61.8g37g
Battery LifeUp to 42 hours of normal useUp to 14 days
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