Wear Radar

Garmin Forerunner 170vsGarmin Forerunner 965

23d vs 10d
battery life
Garmin Forerunner 965 lasts longer
$300
price gap
Garmin Forerunner 170 cheaper
10g
lighter
Garmin Forerunner 170
Garmin Forerunner 170
Buy/Wait:good

Current model just released

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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Buy/Wait:superseded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 It has been replaced by the Garmin Forerunner 970.

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Garmin Forerunner 170Garmin Forerunner 965
Pricing
Starting price$299$599
Subscriptionℹ️ Optional — $70/yrℹ️ Optional — $70/yr
Hardware
Weight43g53g
Water resistance5ATM5ATM
Battery10 days23 days
Always-on display
GPS
Cellular
PlatformiOS & AndroidiOS & Android
TierSports GPSSports GPS
Buy timing
ReleasedMay 15, 2026Mar 1, 2023
Cycle advicegoodsuperseded
Deals adviceneutralclearance
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Health Sensors

Garmin Forerunner 170 only
No exclusive sensors
Both
6 shared
Heart RateContinuous or on-demand pulse tracking
SpO2Blood oxygen saturation, tracked during sleep
HRVHeart rate variability — stress & recovery scores
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
Garmin Forerunner 965 only
1 exclusive sensor
Running DynamicsCadence, ground contact time, stride length, vertical oscillation

Why buy each?

Garmin Forerunner 170

Training Readiness at entry level

Training Readiness, full Training Status, and wrist-based running power — analytics previously reserved for Garmin's mid-range — now on a $299.99 watch.

AMOLED display and 10-day battery

A bright 1.2" AMOLED touchscreen with a traditional 5-button design, up to 10 days of battery in smartwatch mode and around 17 hours of GPS.

Garmin Pay and 80+ sports apps

Contactless payments arrive on the entry Forerunner for the first time, alongside 80+ built-in sports apps and Garmin Coach adaptive training plans.

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
Garmin Forerunner 170 wins

$509 vs $809 over 3 years.

For battery life
Garmin Forerunner 965 wins

23 days vs 10 days battery.

For health depth
Garmin Forerunner 965 wins

7 sensors.

For daily comfort
Garmin Forerunner 170 wins

43g.

Bottom Line

Technical gaps
  1. Forerunner 965-only sensors: Running Dynamics.
  2. Weight. Forerunner 170 is 10g lighter — relevant for all-day comfort and sleep.
Commercial gaps
  1. Hardware cost. Forerunner 170 is $300 cheaper upfront ($299 vs $599).
Pick the Garmin Forerunner 170 if…

Beginner and intermediate runners who want real GPS accuracy and Garmin's analytics depth without the price of the 570 or 970. With Training Readiness and running power now included, it closes much of the gap to Garmin's mid-range — the default first serious GPS watch.

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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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