Garmin Forerunner 235 vs Garmin Forerunner 735XT

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Forerunner 235 compared with Forerunner 735XT

	GarminForerunner 235	GarminForerunner 735XT
Overview
Released
Released	November 2015	May 2016
Display
Case sizes
Case sizes	45 mm	44.5 mm
Panel
Panel	Memory-in-pixel	Memory-in-pixel
Always-on display
Always-on display	Yes	Yes
Display detail
Display detail	1.23-inch (31.1 mm) sunlight-readable colour display, 215 x 180 pixels, with button controls.	1.23-inch (31.1 mm) sunlight-readable semi-round colour MIP display, 215 x 180 pixels, with button controls.
Health and fitness
ECG
ECG	No	No
Blood oxygen
Blood oxygen	No	No
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	Single-band
Water resistance
Water resistance	50 m	50 m
Sensors
Sensors	GPS, GLONASS, Garmin Elevate optical wrist heart rate and accelerometer.	GPS, GLONASS, Garmin Elevate wrist heart rate and accelerometer.
Health features
Health features	All-day wrist heart rate, steps, calories and sleep tracking.	All-day heart rate, steps, calories and sleep tracking.
Fitness features
Fitness features	Running and cycling tracking, VO2 max estimate, race predictor, recovery advisor, indoor distance from the accelerometer and optional foot-pod and cycling speed/cadence sensors.	Running, cycling, pool and open-water swimming, triathlon, hiking and skiing profiles; auto multisport switching, VO2 max estimate, race predictor and recovery advisor. Detailed running dynamics need an HRM-Run or HRM-Tri strap; underwater heart rate needs an HRM-Swim or HRM-Tri strap.
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 9 days	Up to 11 days
Mobile data option
Mobile data option	No	No
Works with
Works with	iPhone and Android	iPhone and Android
Battery life detail
Battery life detail	Up to nine days as a watch with activity tracking, notifications and heart rate; up to 11 hours in training mode.	Up to 11 days in watch mode with activity, notifications and optical heart rate; 14 hours in GPS activity mode with optical heart rate, or 24 hours in UltraTrac without it.
Charging
Charging	Rechargeable lithium-ion battery.	Rechargeable lithium-ion battery with charging/data clip.
Connectivity
Connectivity	Bluetooth and ANT+; smart notifications, Connect IQ, phone music controls and Garmin Connect Mobile sync. No on-watch music storage.	Bluetooth and ANT+; smart notifications, Garmin Connect, Connect IQ, LiveTrack through a paired phone and phone music controls.
Storage
Storage	–	Stores 80 hours of activity history.
Design
Weight (lightest version)
Weight (lightest version)	42 g	40.2 g (better)
Software
Software	Garmin	Garmin
Case materials
Case materials	5 ATM water rating.	Silicone band and 5 ATM water rating.
Size
Size	45 x 45 x 11.7 mm; 42 g.	44.5 x 44.5 x 11.9 mm; 40.2 g.
Colours
Colours	Black and red.	Black case and band.