Garmin Forerunner 405 vs Garmin Forerunner 970

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Forerunner 405 compared with Forerunner 970

	GarminForerunner 405	GarminForerunner 970
Overview
Released
Released	April 2008	May 2025
Display
Case sizes
Case sizes	48 mm	47 mm
Panel
Panel	–	OLED
Always-on display
Always-on display	Yes	Yes
Display detail
Display detail	Backlit monochrome screen, 1.06-inch diagonal and 124 × 95 pixels; a touch-sensitive bezel and two buttons control the watch. Panel technology is unpublished in the maker's specification.	1.4″ (35.3 mm) AMOLED colour touchscreen, 454 x 454 pixels; five buttons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
Sensors
Sensors	High-sensitivity GPS receiver; optional ANT+ heart-rate chest strap, foot pod and cycling speed/cadence sensor. No optical wrist sensor.	Garmin Elevate wrist heart rate monitor; Pulse Ox blood oxygen monitor; barometric altimeter; compass; gyroscope; accelerometer; thermometer; ambient light sensor
Health features
Health features	–	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	Pace, distance, time, calories, custom and interval workouts, Virtual Partner, Auto Lap and Auto Pause.	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	Stores up to 100 locations and provides direction to a saved location; no base maps.	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 8 hours	Up to 15 days
In low-power mode
In low-power mode	Up to 14 days	–
Mobile data option
Mobile data option	No	No
Works with
Works with	No phone pairing	iPhone and Android
Storage
Storage	–	32 GB
Battery life detail
Battery life detail	Rechargeable lithium-ion battery; approximately eight hours with GPS or two weeks in power-save mode.	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	Contact charging clip and AC adapter.	Garmin charging cable with proprietary plug
Connectivity
Connectivity	ANT+ Sport wireless data transfer to a computer through a USB ANT stick; Garmin Connect and Garmin Training Center analysis. No direct phone pairing.	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	Around 1,000 lap records; Garmin Taiwan quotes approximately twenty hours of track points at one point every four seconds.	–
Design
Weight (lightest version)
Weight (lightest version)	60 g	–
Software
Software	Garmin	Garmin
Case materials
Case materials	IPX7 immersion protection, one metre for thirty minutes; not intended for swimming.	Titanium bezel; sapphire crystal lens; 5 ATM water rating (swim); operating temperature –20 °C to 60 °C
Size
Size	48 × 71 × 16 mm; approximately 60 g. Width is used as the case size; the English manual instead lists 47.75 × 70.5 × 16.4 mm.	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	–	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	Watch, USB ANT stick, AC charger and manual; heart-rate strap included in some bundles.	Forerunner 970, charging cable, documentation