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Garmin Forerunner 165 and the Garmin Vivoactive 5 have some key differences. Forerunner 165 is the newer model focused on runners with advanced running metrics and improved GPS performance, while Vivoactive 5 is a more budget-friendly model that still delivers excellent core performance. This comparison will walk you through key differences so you can confidently decide which one fits your needs best.
Feature-by-Feature Breakdown
Processor:- Garmin Forerunner 165 features an updated training-optimized processor that ensures smoother performance during intensive activity tracking.
- Garmin Vivoactive 5 uses a standard fitness processor with reliable but less specialized performance.
Winner: Garmin Forerunner 165 |
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Advanced Running Dynamics:- Garmin Forerunner 165 has advanced running dynamics that analyze cadence, stride length, and ground contact for improved performance insights.
- Garmin Vivoactive 5 does not include advanced running dynamics.
Winner: Garmin Forerunner 165 |
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Multi-band GPS:- Garmin Forerunner 165 supports multi-band GPS that enhances accuracy in challenging environments like cities and forests.
- Garmin Vivoactive 5 has standard GPS without multi-band support.
Winner: Garmin Forerunner 165 |
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Multi-band GPS:- Garmin Venu 3S features multi-band GPS that improves location accuracy in cities and trails.
- Garmin Vivoactive 5 relies on standard GPS tracking.
Winner: Garmin Forerunner 165 |
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Training Effect Analysis:- Garmin Forerunner 165 supports training effect analysis that shows aerobic and anaerobic benefits from each workout.
- Garmin Vivoactive 5 does not include training effect analysis.
Winner: Garmin Forerunner 165 |
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Race Predictor:- Garmin Forerunner 165 includes a race predictor that estimates finish times for standard running distances based on fitness trends.
- Garmin Vivoactive 5 does not include a race predictor.
Winner: Garmin Forerunner 165 |
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Recovery Time Advisor:- Garmin Forerunner 165 features a recovery time advisor that recommends rest periods after workouts to prevent overtraining.
- Garmin Vivoactive 5 does not provide a recovery time advisor.
Winner: Garmin Forerunner 165 |
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Training Readiness Score:- Garmin Forerunner 165 supports Training Readiness that evaluates recovery, HRV, and sleep to guide optimal daily training.
- Garmin Vivoactive 5 does not include Training Readiness scoring.
Winner: Garmin Forerunner 165 |
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Specs at a Glance
| Feature | Garmin Forerunner 165 | Garmin Vivoactive 5 |
|---|
| Processor | Newer generation optimized for training | Standard fitness processor |
| RAM | 4GB internal storage with optimized memory | 4GB internal storage |
| Battery Life (Smartwatch mode) | Up to 11 days | Up to 11 days |
| Multi-band GPS | Yes | No |
| Training Readiness | Yes | No |
| Advanced Running Dynamics | Yes | No |
| Recovery Time Advisor | Yes | No |
| Race Predictor | Yes | No |
| Training Effect Analysis | Yes | No |
Who Should Buy What?Buy the Garmin Forerunner 165 if you:- Want advanced running tools like multi-band GPS and training readiness.
- Need accurate race predictors and recovery time guidance.
- Focus on structured training with interval workouts and running dynamics.
- Prefer a lower price point compared to the Vivoactive 5.
Check Garmin Forerunner 165 Best Price Buy the Garmin Vivoactive 5 if you:- Want lifestyle features like ECG and workout animations.
- Prefer an all-round fitness watch rather than a runner-specific device.
- Value wellness and health monitoring more than advanced training.
- Do not need race predictor or multi-band GPS and are fine with general fitness tracking.
Check Garmin Vivoactive 5 Best Price |
Winner by Category
| Category | Winner |
|---|
| Processor | Forerunner 165 |
| Training Readiness Score | Forerunner 165 |
| Advanced Running Dynamics | Forerunner 165 |
| Multi-band GPS | Forerunner 165 |
| Recovery Time Advisor | Forerunner 165 |
| Race Predictor | Forerunner 165 |
| Training Effect Analysis | Forerunner 165 |
What They Have in Common
- AMOLED Display: Both the Garmin Vivoactive 5 and Forerunner 165 feature bright AMOLED screens, making it easy to view stats and notifications even in direct sunlight.
- GPS Tracking: Each watch includes built-in GPS, allowing users to accurately track outdoor runs, walks, and rides without needing a phone.
- Heart Rate Monitoring: Both models offer continuous wrist-based heart rate monitoring, helping users stay aware of their training intensity and overall health.
- Sleep Tracking: Each device provides detailed sleep tracking and insights, allowing users to monitor sleep quality and recovery over time.
- Fitness and Health Metrics: Both support core health features like VO2 Max, Body Battery, and stress tracking, giving users a comprehensive view of their wellness.
FAQ (Quick Answers)
Does the Garmin Forerunner 165 have ECG support?
No, the Garmin Forerunner 165 does not support ECG. The Garmin Vivoactive 5 is the one that includes ECG for checking heart rhythm irregularities.
Which watch has better GPS accuracy?
The Garmin Forerunner 165 includes multi-band GPS, which improves accuracy in dense urban areas and under heavy tree cover. The Garmin Vivoactive 5 only has standard GPS.
Can both watches track blood oxygen levels?
Yes, both the Forerunner 165 and the Vivoactive 5 include a Pulse Ox sensor that monitors blood oxygen levels during sleep or high-altitude activities.
Which device has better training features?
The Garmin Forerunner 165 is better for athletes since it supports training readiness, advanced running dynamics, race predictor, and training effect analysis. The Vivoactive 5 lacks these advanced performance tools.
Do both watches support workout animations?
No, the Garmin Forerunner 165 does not include workout animations. The Garmin Vivoactive 5 has built-in guided animations for cardio, strength, yoga, and Pilates exercises.
How long is the battery life of each watch?
The Garmin Forerunner 165 lasts up to 11 days in smartwatch mode and 19 hours in GPS mode. The Garmin Vivoactive 5 lasts up to 11 days in smartwatch mode and 21 hours in GPS mode.
Do both watches track heart rate variability (HRV)?
Yes, both models support HRV tracking to help monitor recovery and overall wellness trends.
Which model is better for general fitness users?
The Garmin Vivoactive 5 is better for general fitness because it includes ECG, workout animations, and broad wellness tracking that suits casual athletes.
Which model is better for runners?
The Garmin Forerunner 165 is the stronger choice for runners due to its multi-band GPS, recovery time advisor, training readiness score, and advanced running metrics.