Garmin Forerunner 255 vs 255s – Check Which One Is Best & Why?

Why Do I Recommend The Garmin Forerunner 255?

• The Garmin Forerunner 255 has a larger 1.3-inch display for improved data visibility and easier mid-run stat checks, while the Garmin Forerunner 255S uses a smaller 1.1-inch display.
• Garmin Forerunner 255 comes with a bigger battery for longer smartwatch use between charges during daily wear and training weeks, whereas the Garmin Forerunner 255S comes with a smaller battery.
• It supports longer GPS-only battery life for extended outdoor runs, hikes, and endurance sessions, while the Garmin Forerunner 255S supports shorter GPS runtime.
• The Garmin Forerunner 255 supports longer multi-band GNSS tracking time for improved endurance during high-accuracy navigation activities, whereas the Garmin Forerunner 255S supports shorter multi-band GNSS duration.
• Garmin Forerunner 255 has a wider 22 mm quick-release band for improved stability and balance on larger wrists during intense workouts, while the Garmin Forerunner 255S uses an 18 mm band.
• It features a larger case size for better on-wrist readability of training graphs and maps at a glance, while the Garmin Forerunner 255S features a more compact case.
• The Garmin Forerunner 255 includes a higher display resolution for displaying more data fields clearly on a single screen, whereas the Garmin Forerunner 255S includes a lower resolution display.
• Garmin Forerunner 255 comes with a larger physical footprint for improved button spacing and easier operation during gloves-on or wet conditions, while the Garmin Forerunner 255S comes with a smaller body designed for compact fit.

Maybe the Garmin Forerunner 255S can make you comfortable because it’s a little bit cheaper than the Garmin Forerunner 255. But you have to compromise all the above-mentioned features. Now the Decision is Yours. I hope it was helpful to choose the right one.

What Common Both Can Do?

• GPS: Both watches include built-in GPS for accurate outdoor activity tracking without needing a phone. This allows runners and cyclists to record distance, pace, and routes reliably.
• Multi-band GNSS: Each model supports multi-band GNSS for improved positioning accuracy in challenging environments. This is especially useful in cities, forests, or mountainous areas.
• Heart rate sensor: Both use Garmin’s optical heart rate sensor for continuous heart rate monitoring. This enables training intensity analysis and all-day health tracking.
• Pulse Ox: Each watch includes Pulse Ox measurement to estimate blood oxygen saturation. This supports sleep insights and altitude acclimation tracking.
• Body Battery: Both devices track Body Battery levels to estimate overall energy throughout the day. This helps users decide when to train or rest.
• Training Readiness: Both models calculate training readiness using sleep, recovery, HRV, and activity data. This helps guide daily workout decisions.
• HRV Status: Each watch tracks heart rate variability status over time. This provides insight into recovery, stress, and overall physiological balance.
• VO2 Max: Both watches estimate VO2 Max based on running performance data. This allows users to track aerobic fitness trends over time.
• Race Widget: Both models include the Race Widget for race-day preparation. This provides pacing strategies, weather insights, and performance predictions.
• Daily Suggested Workouts: Each watch generates daily workout suggestions based on fitness and recovery metrics. This helps users train consistently without manual planning.
• Sleep Tracking: Both offer advanced sleep tracking with sleep stages and sleep score. This supports long-term recovery and wellness monitoring.
• Stress Tracking: Each model measures stress levels throughout the day using heart rate data. This helps users understand physical and mental load.
• Women’s Health Tracking: Both watches support menstrual cycle and pregnancy tracking features. This enables personalized health insights and predictions.
• Music Storage: Both models are available in music variants with onboard storage. This allows phone-free listening during workouts with compatible headphones.
• Garmin Pay: Each watch supports contactless payments using Garmin Pay. This adds convenience for daily use and workouts.
• Smart Notifications: Both devices display notifications from a connected smartphone. This keeps users informed without needing to check their phone.
• Water Rating: Both watches are rated at 5 ATM for water resistance. This makes them suitable for swimming and everyday water exposure.
• Battery Type: Each uses a rechargeable lithium-ion battery. This ensures consistent performance and long-term usability.
• Display Type: Both feature a transflective memory-in-pixel display. This improves visibility in bright outdoor conditions while maintaining low power usage.
• Buttons: Each model uses a five-button control layout. This ensures reliable operation during workouts, even with wet hands or gloves.