Garmin Forerunner 110 vs Garmin Forerunner 265

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Forerunner 110 compared with Forerunner 265

	GarminForerunner 110	GarminForerunner 265
Overview
Released
Released	2010	March 2023
Display
Case sizes
Case sizes	45 mm	42 mm or 46 mm
Panel
Panel	–	OLED
Always-on display
Always-on display	Yes	Yes
Display detail
Display detail	Backlit monochrome screen with 25.1 mm diagonal; fixed training pages and four physical buttons. Garmin's manuals do not specify panel technology or pixel resolution.	Forerunner 265S has a 1.1″ (28.1 mm) AMOLED touchscreen, 360 x 360 pixels; Forerunner 265 has a 1.3″ (32.5 mm) AMOLED touchscreen, 416 x 416 pixels; five buttons; optional always-on mode
Screen protection
Screen protection	–	Corning Gorilla Glass 3
Health and fitness
ECG
ECG	No	No
Blood oxygen
Blood oxygen	No	Yes
Skin temperature
Skin temperature	No	No
Sleep apnoea alerts
Sleep apnoea alerts	No	No
High blood pressure alerts
High blood pressure alerts	No	No
Body composition
Body composition	No	No
Fall detection
Fall detection	No	No
Crash detection
Crash detection	No	No
GPS
GPS	Single-band	Dual-band (L1 and L5)
Water resistance
Water resistance	–	50 m
Sensors
Sensors	High-sensitivity GPS receiver with HotFix satellite prediction; optional ANT+ heart-rate chest strap. No optical wrist sensor or foot-pod support.	Garmin Elevate wrist heart rate monitor; Pulse Ox blood oxygen monitor; barometric altimeter; compass; gyroscope; accelerometer; thermometer; ambient light sensor
Health features
Health features	–	High and low heart rate alerts; HRV status; Body Battery; all-day stress; sleep score, sleep coach and nap detection; breathing variations; respiration rate; Health Snapshot; menstrual cycle and pregnancy tracking; jet lag adviser
Fitness features
Fitness features	Time, distance, calories and lap-average or run-average pace; Auto Lap and manual laps. No interval or custom workouts.	Training readiness and training status; training load, load ratio and load focus; training effect, VO2 max and recovery time; wrist-based running power and dynamics; PacePro; race predictor; Garmin Coach running, cycling and strength plans; daily suggested running and cycling workouts; triathlon and open-water swimming; course navigation with a breadcrumb trail, TracBack and Up Ahead
Safety features
Safety features	–	Incident detection during select activities; assistance; LiveTrack; spectator messaging; live event sharing (Android only); these features require a paired phone
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 8 hours	Up to 15 days
In low-power mode
In low-power mode	Up to 21 days	–
Mobile data option
Mobile data option	No	No
Works with
Works with	No phone pairing	iPhone and Android
Storage
Storage	–	8 GB
Battery life detail
Battery life detail	Rechargeable 200 mAh lithium-ion battery; up to eight hours with GPS, three weeks in power-save mode or one week with forty-five minutes of GPS training each day.	Forerunner 265S up to 15 days in smartwatch mode, 24 hours GPS only, 18 hours SatIQ (AutoSelect), 15 hours All-Systems + Multi-Band; with music up to 7.5, seven and six hours respectively. Forerunner 265 up to 13 days in smartwatch mode, 20 hours GPS only, 16 hours SatIQ, 14 hours All-Systems + Multi-Band; with music up to seven, 6.5 and six hours respectively
Charging
Charging	USB contact charging clip and AC adapter.	Garmin proprietary plug charger; USB-C charging/data cable included
Connectivity
Connectivity	USB mass-storage activity transfers to a computer and Garmin Connect; ANT+ heart-rate sensors. No direct phone pairing.	Bluetooth, ANT+ and Wi-Fi; multi-band GPS with GPS, GLONASS, Galileo, QZSS, BeiDou and SatIQ; Garmin Pay; offline music from Spotify, Deezer and Amazon Music (premium subscription required); Connect IQ; notifications and Android text responses; Garmin Share
Storage
Storage	Approximately 180 hours of activity history, according to the owner's manuals; oldest data is overwritten when full.	–
Design
Weight (lightest version)
Weight (lightest version)	52 g	39 g (better)
Software
Software	Garmin	Garmin
Case materials
Case materials	IPX7 immersion protection, one metre for thirty minutes; the English manual says the watch is not intended for swimming.	Fibre-reinforced polymer bezel; silicone band; 5 ATM water rating
Size
Size	45 × 69 × 14 mm and 52 g, as listed in Garmin Slovakia's manual. Width is used as the case size.	Forerunner 265S is 41.7 x 41.7 x 12.9 mm and 39 g; Forerunner 265 is 46.1 x 46.1 x 12.9 mm and 47 g; Garmin does not publish case-only weights
Bands
Bands	–	Quick-release 18 mm bands for the 265S, fitting 115–178 mm wrists; quick-release 22 mm bands for the 265, fitting 135–205 mm wrists
In the box
In the box	Watch, charging/data cable, AC adapter and documentation; heart-rate strap included in some bundles.	Forerunner 265 or 265S, USB-C charging/data cable, documentation