Garmin Forerunner 70 vs Garmin Forerunner 955

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

Better figure, where one is clearly better

Forerunner 70 compared with Forerunner 955
GarminForerunner 70GarminForerunner 955
Overview
ReleasedMay 2026June 2022
Display
Case sizes42.6 mm47 mm
PanelOLEDMemory-in-pixel
Always-on displayYesYes
Display detail1.2-inch (30.4 mm diameter) colour AMOLED touchscreen, 390 x 390 pixels; optional always-on display and large-font setting; five physical buttons1.3-inch (33 mm) transflective colour memory-in-pixel touchscreen, 260 x 260 pixels, with five buttons.
Screen protectionChemically strengthened glassCorning Gorilla Glass DX.
Health and fitness
ECGNoNo
Blood oxygenYesYes
Skin temperatureNoNo
Sleep apnoea alertsNoNo
High blood pressure alertsNoNo
Body compositionNoNo
Fall detectionNoNo
Crash detectionNoNo
GPSSingle-bandDual-band (L1 and L5)
Water resistance50 m50 m
SensorsGarmin Elevate wrist heart rate; Pulse Ox; accelerometer; ambient light sensor; no built-in barometric altimeter or body-temperature sensorGPS, GLONASS, Galileo, multi-frequency GNSS, Garmin Elevate wrist heart rate, Pulse Ox, barometric altimeter, compass, gyroscope, accelerometer and thermometer.
Health featuresContinuous heart rate with high/low alerts; HRV status; Body Battery; stress and respiration; advanced sleep, sleep coach, breathing variations and nap detection; smart wake alarm; Health Snapshot; lifestyle logging; Health Status; women's health tracking via Garmin Connect; no ECG appPulse Ox, HRV status, sleep score, all-day stress and Body Battery energy monitoring.
Fitness featuresMore than 80 sports apps; training readiness, status, load, load focus and recovery time; Garmin running, cycling and strength coaching; daily suggested running workouts including run/walk; quick workouts; wrist-based running dynamics and running power; PacePro; VO2 max and race predictions; breadcrumb course navigation, back-to-start and TracBack; pool swimming; no open-water swim or triathlon mode; no full offline mapsTraining readiness and status, morning report, race widget, real-time stamina, PacePro, ClimbPro, triathlon profiles and full-colour maps with turn-by-turn route guidance.
Safety featuresIncident detection during selected activities, assistance and LiveTrack require a paired compatible smartphone; live event sharing is Android-only; screen flashlight, not a separate LED torchIncident detection and assistance require a paired smartphone; LiveTrack.
Battery and connections
Battery life (maker's claim)Up to 13 daysUp to 15 days
In low-power modeUp to 28 days–
Mobile data optionNoNo
Works withiPhone and AndroidiPhone and Android
Storage–32 GB
Battery life detailSmartwatch up to 13 days, or 5 days with display always on; battery saver smartwatch up to 28 days; GPS-only GNSS up to 23 hours; all-systems GNSS up to 16 hours; actual life depends on enabled features and usageUp to 15 days in smartwatch mode, 42 hours in GPS-only mode without music or 20 hours with all-systems multi-band GNSS without music.
ChargingGarmin proprietary plug charging/data cable; rechargeable built-in lithium-ion battery; USB charging temperature 0–45 °CRechargeable battery with Garmin charging cable; this standard model has no solar charging lens.
ConnectivityBluetooth and ANT+; GPS, GLONASS and Galileo; no multi-band GNSS; Android-only text responses and notification images; Connect IQ apps/watch faces/data fields; Garmin Share; controls smartphone music without offline playback; no Garmin Pay, speaker/microphone calls or cellular connectionBluetooth, ANT+ and Wi-Fi; Garmin Pay, Connect IQ, notifications and on-watch music storage for up to 2,000 songs.
Storage512 MB memory/history; not storage for offline music playback–
Design
Weight (lightest version)40 g (better)52 g
SoftwareGarminGarmin
Case materialsFibre-reinforced polymer bezel; silicone band; chemically strengthened glass; 5 ATM water rating; operating/storage temperature –20–60 °CFibre-reinforced polymer bezel and silicone band; 5 ATM water rating.
Size42.6 x 42.6 x 11.9 mm; Garmin lists 40 g without a separate body-only weight46.5 x 46.5 x 14.4 mm; 52 g.
BandsStandard 20 mm quick-release silicone band; fits 126–203 mm wristsQuickFit-compatible 22 mm band; fits wrists 130–220 mm.
ColoursUK Black, Whitestone, Citron and Cool Lavender; global range additionally offers Tidal Blue and Soft PinkBlack.
In the boxForerunner 70; charging cable; documentation–

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