Wear Radar

Garmin Forerunner 265vsGarmin Fenix

18d vs 13d
battery life
Garmin Fenix lasts longer
$550
price gap
Garmin Forerunner 265 cheaper
5
more health sensors
Garmin Fenix
Garmin Forerunner 265
Buy/Wait:superseded

This model is no longer sold new. It has been replaced by the Garmin Forerunner 570.

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Garmin Fenix
Buy/Wait:bad

Late in cycle — a new model is likely coming

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Garmin Forerunner 265Garmin Fenix
Pricing
Starting price$449$999
Subscriptionℹ️ Optional — $70/yrℹ️ Optional — $70/yr
Hardware
Weight47g56g
Water resistance5ATM10ATM
Battery13 days18 days
Always-on display
GPS
Cellular
PlatformiOS & AndroidiOS & Android
TierSports GPSSports GPS
Buy timing
ReleasedMar 1, 2023Aug 14, 2024
Cycle advicesupersededbad
Deals adviceclearancegood
Next modelGarmin Fenix 9 (H2 2026)

Health Sensors

Garmin Forerunner 265 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 Fenix only
5 exclusive sensors
Running DynamicsCadence, ground contact time, stride length, vertical oscillation
RespirationBreathing rate during sleep and activity
Skin TempOvernight changes linked to illness or cycle tracking
Depth GaugeMeasures water depth — certified for recreational diving to 40m
ECGDetects irregular heart rhythms (AFib)

Why buy each?

Garmin Forerunner 265

Multi-band GPS accuracy

L1+L5 multi-band GPS reduces position drift in urban canyons and dense forest.

Training readiness score

Daily score combining HRV status, sleep, acute load, and recovery time.

Race time predictor

Estimates finish time for 5K, 10K, half-marathon, and marathon based on current fitness.

Garmin Fenix

Built-in speaker and microphone

First Fenix to include a speaker — enabling phone calls, Bluetooth audio, and voice prompts directly from the watch.

AMOLED or Solar: choose your battery priority

AMOLED for the best display at 18 days. Solar MIP for up to 48+ days in expedition conditions where charging is impossible.

Certified for diving, rated for mountains

EN13319 dive mode (up to 40m), MIL-STD-810 shock resistance, and TopoActive maps covering 100+ countries — the most capable outdoor watch in Garmin's lineup.

Quick Winner

The right pick depends on what you optimize for.

For the budget
Garmin Forerunner 265 wins

$659 vs $1209 over 3 years · no required subscription.

For battery life
Garmin Fenix wins

18 days vs 13 days battery.

For health depth
Garmin Fenix wins

11 sensors.

For daily comfort
Garmin Forerunner 265 wins

47g · no required subscription.

Bottom Line

Technical gaps
  1. Fenix-only sensors: Running Dynamics, Respiration, Skin Temp, Depth Gauge, ECG.
  2. Weight. Forerunner 265 is 9g lighter — relevant for all-day comfort and sleep.
  3. Water resistance. Fenix rates 10ATM vs 5ATM on Forerunner 265.
Commercial gaps
  1. Hardware cost. Forerunner 265 is $550 cheaper upfront ($449 vs $999).
Pick the Garmin Forerunner 265 if…

Regular runners who race 5K to marathon distances and want accurate GPS and detailed training load management.

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Pick the Garmin Fenix if…

Expedition athletes, adventure racers, triathletes, mountaineers, and divers who need the most capable and durable GPS watch Garmin makes. Also for anyone who wants Garmin's best — full stop.

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