Garmin Forerunner 25 vs Garmin Forerunner 970

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

Better figure, where one is clearly better

Forerunner 25 compared with Forerunner 970
GarminForerunner 25GarminForerunner 970
Overview
Released2015May 2025
Display
Case sizes43.9 mm or 47 mm47 mm
PanelMemory-in-pixelOLED
Always-on displayYesYes
Display detailMonochrome transflective memory-in-pixel display, 128 × 128 pixels; 18.5 × 18.5 mm in the small version and 23 × 23 mm in the large version.1.4″ (35.3 mm) AMOLED colour touchscreen, 454 x 454 pixels; five buttons
Screen protection–Sapphire crystal lens
Health and fitness
ECGNoYes
Blood oxygenNoYes
Skin temperatureNoYes
Sleep apnoea alertsNoNo
High blood pressure alertsNoNo
Body compositionNoNo
Fall detectionNoNo
Crash detectionNoNo
GPSSingle-bandDual-band (L1 and L5)
Water resistance50 m50 m
SensorsBuilt-in GPS and accelerometer; heart rate requires an optional ANT+ chest strap, and an optional foot pod is supported.Garmin Elevate wrist heart rate monitor; Pulse Ox blood oxygen monitor; barometric altimeter; compass; gyroscope; accelerometer; thermometer; ambient light sensor
Health featuresDaily steps, automatic step goal, inactivity bar and sleep monitoring; heart-rate zones require a paired chest strap.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 featuresRunning pace, distance, personal records, Virtual Pacer, Auto Pause, Auto Lap and time, distance and run/walk alerts; indoor distance from its accelerometer.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 featuresLive Tracking shares a run through a paired compatible smartphone.Incident detection during select activities; assistance; LiveTrack; live event sharing (Android only); LED flashlight
Battery and connections
Battery life (maker's claim)Up to 70 daysUp to 15 days
Mobile data optionNoNo
Works withiPhone and AndroidiPhone and Android
Storage–32 GB
Battery life detailSmall version up to eight weeks in watch mode or eight hours of GPS training; large version up to ten weeks or ten hours respectively.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
ChargingRechargeable lithium-ion battery; charging and data cable supplied.Garmin charging cable with proprietary plug
ConnectivityBluetooth Low Energy syncs to Garmin Connect Mobile and displays paired-phone notifications; ANT+ supports optional heart-rate and foot-pod accessories.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
StorageSeven activities of on-watch history.–
Design
Weight (lightest version)31 g–
SoftwareGarminGarmin
Case materialsSilicone band and 5 ATM water rating.Titanium bezel; sapphire crystal lens; 5 ATM water rating (swim); operating temperature –20 °C to 60 °C
SizeSmall version 35.9 × 43.9 × 13.9 mm, 31 g; large version 40.2 × 47 × 13.9 mm, 39 g. Longest case dimensions appear in the size comparison.47 x 47 x 12.9 mm; 56 g (Garmin doesn't give a case-only weight)
Bands–22 mm silicone band; takes QuickFit 22 bands; fits 135–205 mm wrists
ColoursLarge versions in black/blue and black/red; small versions in black/violet and white/pink.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 boxWatch, charging/data cable and manual; some bundles also included a heart-rate chest strap.Forerunner 970, charging cable, documentation

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