Garmin Forerunner 735XT vs Garmin Forerunner 970

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

Forerunner 735XT compared with Forerunner 970

	GarminForerunner 735XT	GarminForerunner 970
Overview
Released
Released	May 2016	May 2025
Display
Case sizes
Case sizes	44.5 mm	47 mm
Panel
Panel	Memory-in-pixel	OLED
Always-on display
Always-on display	Yes	Yes
Display detail
Display detail	1.23-inch (31.1 mm) sunlight-readable semi-round colour MIP display, 215 x 180 pixels, with button controls.	1.4″ (35.3 mm) AMOLED colour touchscreen, 454 x 454 pixels; five buttons
Screen protection
Screen protection	–	Sapphire crystal lens
Health and fitness
ECG
ECG	No	Yes
Blood oxygen
Blood oxygen	No	Yes
Skin temperature
Skin temperature	No	Yes
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	50 m
Sensors
Sensors	GPS, GLONASS, Garmin Elevate wrist heart rate and accelerometer.	Garmin Elevate wrist heart rate monitor; Pulse Ox blood oxygen monitor; barometric altimeter; compass; gyroscope; accelerometer; thermometer; ambient light sensor
Health features
Health features	All-day heart rate, steps, calories and sleep tracking.	Garmin ECG App (atrial fibrillation); Pulse Ox spot checks, with optional all-day acclimation and sleep readings; skin temperature; high and low heart rate alerts; HRV status; health status; sleep score, sleep coach, sleep alignment and nap detection; breathing variations; Body Battery; all-day stress; Health Snapshot; lifestyle logging; women's health tracking with past ovulation estimates; jet lag adviser
Fitness features
Fitness features	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.	Training readiness and training status; running tolerance; running economy and step speed loss (with HRM 600); wrist-based running dynamics and running power; VO2 max, endurance score and hill score; race predictor and projected race time; PacePro; ClimbPro; real-time stamina; Garmin Coach and Garmin Triathlon Coach plans; daily suggested workouts; quick workouts; built-in maps with turn-by-turn directions, dynamic round-trip routing and Up Ahead; triathlon and multisport profiles
Safety features
Safety features	–	Incident detection during select activities; assistance; LiveTrack; live event sharing (Android only); LED flashlight
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 11 days	Up to 15 days
Mobile data option
Mobile data option	No	No
Works with
Works with	iPhone and Android	iPhone and Android
Storage
Storage	–	32 GB
Battery life detail
Battery life detail	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.	Smartwatch mode up to 15 days; GPS only up to 26 hours; SatIQ (AutoSelect) up to 23 hours; All-Systems + Multi-Band up to 21 hours; with music up to 14, 13 and 12 hours in the same modes
Charging
Charging	Rechargeable lithium-ion battery with charging/data clip.	Garmin charging cable with proprietary plug
Connectivity
Connectivity	Bluetooth and ANT+; smart notifications, Garmin Connect, Connect IQ, LiveTrack through a paired phone and phone music controls.	Bluetooth, ANT+ and Wi-Fi; multi-band GPS with GPS, GLONASS, Galileo, QZSS and BeiDou and SatIQ; Garmin Pay; speaker and microphone for calls and the phone's voice assistant with a paired phone; hands-free voice control
Storage
Storage	Stores 80 hours of activity history.	–
Design
Weight (lightest version)
Weight (lightest version)	40.2 g	–
Software
Software	Garmin	Garmin
Case materials
Case materials	Silicone band and 5 ATM water rating.	Titanium bezel; sapphire crystal lens; 5 ATM water rating (swim); operating temperature –20 °C to 60 °C
Size
Size	44.5 x 44.5 x 11.9 mm; 40.2 g.	47 x 47 x 12.9 mm; 56 g (Garmin doesn't give a case-only weight)
Bands
Bands	–	22 mm silicone band; takes QuickFit 22 bands; fits 135–205 mm wrists
Colours
Colours	Black case and band.	Carbon Grey DLC Titanium with Black case and Black/Translucent Whitestone band; Titanium with Whitestone case and Whitestone/Translucent Amp Yellow band; Soft Gold Titanium with French Grey case and French Grey/Translucent Indigo band
In the box
In the box	–	Forerunner 970, charging cable, documentation