Wear Radar

Polar Vantage VvsGarmin Forerunner 965

23d vs 8d
battery life
Garmin Forerunner 965 lasts longer
14g
lighter
Polar Vantage V
Polar Vantage V
Buy/Wait:bad

Late in cycle — a new model is likely coming

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Garmin Forerunner 965
Buy/Wait:superseded

This model is no longer sold new. It has been replaced by the Garmin Forerunner 970.

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Polar Vantage VGarmin Forerunner 965
Pricing
Starting price$599$599
Subscription✓ Noneℹ️ Optional — $70/yr
Hardware
Weight39g53g
Water resistance5ATM5ATM
Battery8 days23 days
Always-on display
GPS
Cellular
PlatformiOS & AndroidiOS & Android
TierSports GPSSports GPS
Buy timing
ReleasedOct 4, 2023Mar 1, 2023
Cycle advicebadsuperseded
Deals advicegoodclearance
Next modelPolar Vantage V4 (2026)

Health Sensors

Polar Vantage V only
3 exclusive sensors
ECGDetects irregular heart rhythms (AFib)
Running PowerWrist-based watt output — tracks effort independent of terrain
Skin TempOvernight changes linked to illness or cycle tracking
Both
3 shared
Heart RateContinuous or on-demand pulse tracking
SpO2Blood oxygen saturation, tracked during sleep
HRVHeart rate variability — stress & recovery scores
Garmin Forerunner 965 only
4 exclusive sensors
Stress TrackingStress estimate from HRV and physiological signals
Body BatteryGarmin's energy reserve — how much fuel left in the tank
Training ReadinessDaily recovery score — how ready you are to perform
Running DynamicsCadence, ground contact time, stride length, vertical oscillation

Why buy each?

Polar Vantage V

ECG on a sports GPS watch

Polar Vantage V3 is one of the few sports GPS watches with on-demand ECG — usually only found on lifestyle smartwatches.

Wrist-based running power

Running power measurement without a foot pod or chest strap — a significant training metric for pacing effort on hills and varied terrain.

Polar Training Load Pro

The most detailed training load analysis in any sports watch: muscle groups targeted per session, recovery status per muscle, and long-term load trends.

Garmin Forerunner 965

Full color topographic maps

Turn-by-turn navigation on full TopoActive maps — essential for trail running and mountain racing.

Running dynamics metrics

Cadence, stride length, vertical oscillation, ground contact time, and running power.

23-day battery and 31h GPS

Enough for week-long trail ultras without a charge.

Quick Winner

The right pick depends on what you optimize for.

For the budget
Polar Vantage V wins

$599 vs $809 over 3 years · no required subscription.

For battery life
Garmin Forerunner 965 wins

23 days vs 8 days battery.

For health depth
Garmin Forerunner 965 wins

7 sensors.

For daily comfort
Polar Vantage V wins

39g · no required subscription.

Bottom Line

Technical gaps
  1. Vantage V-only sensors: ECG, Running Power, Skin Temp.
  2. Forerunner 965-only sensors: Stress Tracking, Body Battery, Training Readiness, Running Dynamics.
  3. Weight. Vantage V is 14g lighter — relevant for all-day comfort and sleep.
Pick the Polar Vantage V if…

Serious endurance athletes — particularly runners and triathletes — who want Polar's unmatched training load science and recovery guidance, combined with ECG health monitoring and running power in a premium package.

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Pick the Garmin Forerunner 965 if…

Competitive runners, triathletes, and ultramarathon runners who want full maps, running dynamics, and premium build.

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