OnePlus WatchvsGarmin Forerunner 265

13d vs 5d

battery life

Garmin Forerunner 265 lasts longer

$120

price gap

OnePlus Watch cheaper

OnePlus Watch

Buy/Wait:neutral

First-generation product — no release history to base predictions on

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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Buy/Wait:superseded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 It has been replaced by the Garmin Forerunner 570.

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	OnePlus Watch	Garmin Forerunner 265
Pricing
Starting price	$329★	$449
Subscription	✓ None	ℹ️ Optional — $70/yr
Hardware
Weight	50g	47g★
Water resistance	5ATM	5ATM
Battery	5 days	13 days★
Always-on display	✅★	❌
GPS	✅	✅
Cellular	❌	❌
Platform	Android only	iOS & Android
Tier	Smartwatch	Sports GPS
Buy timing
Released	Apr 10, 2025	Mar 1, 2023
Cycle advice	neutral	superseded
Deals advice	neutral	clearance
Next model	—	—

Health Sensors

OnePlus Watch only

3 exclusive sensors

ECGDetects irregular heart rhythms (AFib)

Skin TempOvernight changes linked to illness or cycle tracking

Fall DetectionAuto-calls emergency services after a hard fall

Both

4 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

Garmin Forerunner 265 only

2 exclusive sensors

Body BatteryGarmin's energy reserve — how much fuel left in the tank

Training ReadinessDaily recovery score — how ready you are to perform

Why buy each?

OnePlus Watch

5-day Wear OS battery — finally

The dual-engine Snapdragon W5 + BES2800 co-processor architecture delivers up to 5 days in Smart Mode — 2–3× longer than most Wear OS rivals. A 10-minute charge provides a full day of use.

Dual-frequency GPS on a $329 watch

L1 + L5 dual-band GPS gives running and cycling route accuracy typically found only on $500+ sports watches — accurate to within metres even in urban canyons.

Full Wear OS 5 with Google ecosystem

Google Maps turn-by-turn navigation, Google Wallet contactless payment, and Play Store app access — plus Google Health Connect integration for the full Android wearables ecosystem.

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.

Quick Winner

The right pick depends on what you optimize for.

Bottom Line

Technical gaps

Watch-only sensors: ECG, Skin Temp, Fall Detection.
Forerunner 265-only sensors: Body Battery, Training Readiness.

Commercial gaps

Hardware cost. Watch is $120 cheaper upfront ($329 vs $449).

Pick the OnePlus Watch if…

Android users who want full Wear OS 5 — Google Maps, Google Wallet, Play Store — with longer-than-average battery life without paying premium Galaxy Watch or Pixel Watch prices. Not for iPhone users: OnePlus Watch 3 does not support iOS.

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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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