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Garmin Approach S44 vs Garmin Approach S70

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

Better figure, where one is clearly better

GarminApproach S44GarminApproach S70
Overview
ReleasedJanuary 2025May 2023
Display
Case sizes43 mm42 mm or 47 mm
PanelOLEDOLED
Always-on displayYesYes
Display detail30.4 mm (1.2 inch) AMOLED touchscreen, 390 x 390 pixels; optional always-on display, ambient-light sensor and large-font option. Two physical buttons.42 mm version has a 1.2 inch AMOLED touchscreen with 390 x 390 pixels; 47 mm has a 1.4 inch screen with 454 x 454 pixels. Optional always-on mode and ambient-light sensor. Three physical buttons. UK table pairs the 42 mm screen's 1.2 inch figure with 32.02 mm, an inconsistent conversion; neither value is silently recalculated here. Launch German datasheet also incorrectly repeats 390 x 390 for the 47 mm display; exact current model tables establish 454 x 454.
Screen protectionCorning Gorilla Glass 3 lens.Current UK and US model tables specify Corning Gorilla Glass 3. German launch article calls it sapphire, conflicting with its own attached Gorilla Glass datasheet; no sapphire configuration is established.
Health and fitness
ECGNoNo
Blood oxygenNoYes
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
SensorsGPS, GLONASS and Galileo; compass, gyroscope, accelerometer and ambient-light sensor. No multi-band positioning or wrist heart-rate sensor. Do not infer a heart-rate sensor from generic heart-rate alert wording in the cycling table.GPS, GLONASS and Galileo; 47 mm additionally has multi-band positioning and SatIQ. The exact German datasheet distinguishes 42 mm multi-GNSS from 47 mm multifrequency; current UK/US tables likewise list multi-band and SatIQ only on 47 mm. Both have Garmin Elevate wrist heart rate, Pulse Ox, barometric altimeter, compass, gyroscope, accelerometer and ambient-light sensor. Maker does not number the optical sensor generation.
Health featuresStep counting, move alerts, automatic daily step goal, calories, distance and intensity minutes. No wrist heart rate, Pulse Ox, sleep/stress monitoring or Body Battery; these belong to the S50. The current maker table and October 2025 guide document activity tracking beyond the step-only description in an April 2025 review.Continuous heart rate, resting rate and high/low alerts, respiration, Body Battery, stress, advanced sleep, sleep coach, nap detection, HRV status, Health Snapshot, fitness age and jet-lag adviser. Pulse Ox spot checks and optional sleep monitoring. Hydration and menstrual-cycle/pregnancy tracking use Garmin Connect and an optional Connect IQ widget; these are wellness features, not medical diagnosis.
Fitness featuresOver 43,000 preloaded golf courses; front/middle/back green distances, hazards, layups/doglegs, Green View with manual pin position, PinPointer, digital scorecard, handicap scoring, statistics, Swing Tempo and custom targets. AutoShot detects shots and measures distance without tags; it does not detect putts, and some chips may be missed. Club Prompt records the selected club. Optional CT1 tags require tapping the watch before each shot; CT10 sensors add automatic club tracking, and the Z30 laser range finder shares measured distances. Full vector CourseView maps, touch targeting, green contours and elevation-adjusted PlaysLike distances require Garmin Golf membership. Tournament mode disables non-permitted features. Current UK activity profiles include running, indoor track running, biking, indoor biking and golf. The exact owner guide additionally documents pool swimming; the current web profile list omits it. No open-water swimming claim.Over 43,000 preloaded golf courses, full CourseView vector maps, pan/zoom and touch targeting, green view with manual pin position, hazards, layups, front/middle/back distances and PinPointer. Enhanced PlaysLike distances account for slope, weather and air pressure; wind information requires a phone connected to Garmin Golf. Virtual Caddie offers club recommendations and shot-dispersion charts after five rounds with uploaded scorecards and either optional CT10 sensors or Club Prompt enabled; sensors are not mandatory. AutoShot detects fairway shots; optional CT10 sensors add putt/chip detection. Optional CT1 tags and Z30 laser range finder are supported. Scorecard, statistics, handicap scoring, swing tempo and tournament mode. Green contours need paid Garmin Golf membership; base maps and touch targeting do not. Running, cycling, gym, hiking, racket sports and pool-swimming profiles; VO2 max, recovery time, training load/effect, Garmin Coach and animated workouts. Current tables document pool swimming, not an established open-water swimming profile.
Safety featuresIncident detection in supported outdoor activities and assistance require Garmin Connect, a paired compatible phone with data service and network coverage. They message emergency contacts; they are not standalone emergency communication.Incident detection during supported activities and assistance require a paired compatible phone and available network; not standalone emergency communication.
Battery and connections
Battery life (maker's claim)Up to 10 daysUp to 16 days
Mobile data optionNoNo
Works withiPhone and AndroidiPhone and Android
Storage4 GB16 GB
Battery life detailBuilt-in rechargeable lithium-ion battery. Up to 10 days in smartwatch mode with gesture wake-up, or 15 hours in GPS mode with always-on display while golfing. October 2025 owner guide describes the 15-hour claim as all-satellite-systems typical use. Actual life varies with settings and notifications.42 mm up to 10 days in smartwatch mode and 15 hours using GPS; 47 mm up to 16 days and 20 hours. Current maker web conditions use gesture wake in smartwatch mode and always-on while golfing; April 2026 owner guide labels the same 15/20-hour figures all-satellite-systems mode. Headline duration is the longest standard configuration, 47 mm. Actual battery life depends on enabled sensors, notifications and connected devices.
ChargingGarmin proprietary four-contact plug to USB-C charging/data cable. Owner guide specifies operating/storage -20 to 60°C and charging 0 to 45°C. Battery capacity, fast-charge wattage and charge duration are not published.Built-in rechargeable lithium-ion battery; Garmin proprietary charging/data connector and supplied USB cable.
ConnectivityBluetooth LE with iPhone and Android; Garmin Golf and Garmin Connect. Phone notifications, calendar, weather, find-phone/find-watch and smartphone music controls. Text response, rejecting calls by text and notification images are Android-only. No standalone cellular connection, Wi-Fi, downloaded music or Garmin Pay. The manual’s 13.56 MHz radio entry and CT1 tap function do not establish payment support.Bluetooth, ANT+ and Wi-Fi; Garmin Golf, Garmin Connect, Garmin Express and Connect IQ. Garmin Pay with supported banks; downloaded personal music and supported Spotify, Amazon Music and Deezer services, with subscriptions where required and Bluetooth headphones. Phone notifications, Android-only text replies and notification images, calendar, weather and morning report. No cellular version. Current UK/US tables state 16 GB memory/history for both sizes; a later Swiss S50 comparison leaflet lists S70 at 32 GB without a separate hardware identity, so that conflicting sibling comparison is not used to create a version.
Storage4 GB for preloaded golf/course data and activity history; no offline music storage capability.–
Design
Weight (lightest version)42 g44 g
SoftwareGarminGarmin
Case materialsAnodised aluminium bezel and fibre-reinforced polymer case; silicone band. Swiss exact-model datasheet labels the buttons as plastic.Ceramic bezel, Gorilla Glass 3 lens and silicone band. UK range has White/Peach and Powder Grey/Amp Yellow 42 mm finishes, and Black/Red 47 mm. US regional SKU codes differ, with the same three finishes.
Size43 x 43 x 11.4 mm; 42 g including the silicone band. Fits wrists 125–202 mm.42 mm is 42 x 42 x 12.6 mm and 44 g with silicone band, fitting 115–185 mm wrists with a 20 mm QuickFit attachment. 47 mm is 47 x 47 x 13.4 mm and 56 g, fitting 130–205 mm wrists with 22 mm QuickFit. Headline weight is the lighter 42 mm version. Launch German datasheet rounds thickness to 13/14 mm; exact current UK figures are retained.
Water resistance detail5 ATM, pressure equivalent to 50 m; this is not a dive-depth rating. Do not press buttons under water.–
Reference and release detailAvailable now in Garmin’s US and German 21 January 2025 announcements; exact UK first shipping day was not specified. Current UK standalone and CT1-bundle SKUs are sellable. No explicit maker predecessor relationship found.Garmin's US announcement on 23 May 2023 states available now; German launch likewise says immediately available. This establishes the first documented on-sale day; an exact UK first shipping day is not independently established. No explicit maker predecessor relationship has been found in the read sources.
Bands20 mm industry-standard quick-release bands; not QuickFit.–
ColoursSilver aluminium bezel with Black or Twilight silicone band; Black also sold with 16 CT1 club tags.–
In the boxApproach S44, USB-C charging/data cable and documentation. Black CT1 bundle additionally includes 16 club tags; the tags are not included with the standalone watches.–

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