Garmin Forerunner 165 Music vs Garmin Forerunner 935

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

Better figure, where one is clearly better

Forerunner 165 Music compared with Forerunner 935
GarminForerunner 165 MusicGarminForerunner 935
Overview
ReleasedFebruary 2024March 2017
Display
Case sizes43 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; five physical buttons1.2-inch (30.4 mm) sunlight-readable transflective colour MIP display, 240 x 240 pixels, with button controls.
Screen protectionChemically strengthened glassGlass lens.
Health and fitness
ECGNoNo
Blood oxygenYesNo
Skin temperatureNoNo
Sleep apnoea alertsNoNo
High blood pressure alertsNoNo
Body compositionNoNo
Fall detectionNoNo
Crash detectionNoNo
GPSSingle-bandSingle-band
Water resistance50 m50 m
SensorsGarmin Elevate wrist heart rate; Pulse Ox; barometric altimeter; compass; accelerometer; thermometer; ambient light sensor; GPS, GLONASS and GalileoGPS, GLONASS, Garmin Elevate wrist heart rate, barometric altimeter, compass, gyroscope and accelerometer.
Health featuresContinuous heart rate with high/low alerts; HRV status; Body Battery; stress, respiration and blood oxygen; advanced sleep and sleep score; sleep coach and nap detection; Health Snapshot; hydration and women's health tracking; no ECG appAll-day heart rate, steps, sleep and intensity minutes.
Fitness featuresDaily suggested running workouts and Garmin Coach plans; training effect and recovery time; wrist-based running dynamics and running power; PacePro; VO2 max and race predictions; pool and open-water swimming; running, cycling, strength, HIIT, yoga, Pilates, tennis, pickleball and padel profiles; point-to-point and breadcrumb course navigation, back-to-start and TracBack; no full offline maps or dedicated triathlon mode; no training readiness, load or status (Wareable and Tech Advisor)Running, cycling, pool and open-water swimming, triathlon, skiing, hiking and golf profiles; auto multisport switching, training status and load, aerobic and anaerobic training effect, VO2 max, recovery time and course guidance. Running dynamics require a compatible strap or Running Dynamics Pod.
Safety featuresIncident detection during selected activities, assistance and LiveTrack require a paired compatible smartphone and connectivity; live event sharing is Android-only–
Battery and connections
Battery life (maker's claim)Up to 11 daysUp to 14 days
In low-power modeUp to 20 days–
Mobile data optionNoNo
Works withiPhone and AndroidiPhone and Android
Storage4 GB–
Battery life detailSmartwatch up to 11 days; battery saver smartwatch up to 20 days; GPS-only up to 19 hours; all-systems GNSS up to 17 hours; GPS-only with music up to 7 hours; all-systems with music up to 6.5 hours; actual life depends on display settings, enabled features and useUp to two weeks in smartwatch mode, 21 hours in GPS/heart-rate mode or 44 hours in UltraTrac without wrist heart rate per Garmin Singapore's exact specification table. Garmin's US launch release instead stated 24 GPS hours and 50 UltraTrac hours without matching those conditions.
ChargingGarmin proprietary plug charging/data cable; rechargeable built-in batteryRechargeable lithium-ion battery with Garmin charging cable.
ConnectivityBluetooth and ANT+ and Wi-Fi; stores music for Bluetooth headphones; Spotify, Deezer and Amazon Music downloads require compatible subscriptions; Garmin Pay; Connect IQ apps, watch faces and data fields; smart notifications; Android-only text responses and notification images; Garmin Share and Garmin Messenger; no cellular connection or multi-band GNSSBluetooth Smart, ANT+ and Wi-Fi; smart notifications, Connect IQ, Garmin Connect, LiveTrack and phone music controls.
Storage4 GB memory/history; offline music playback64 MB memory/history.
Design
Weight (lightest version)39 g (better)49 g
SoftwareGarminGarmin
Case materialsFibre-reinforced polymer bezel; chemically strengthened glass; silicone band; 5 ATM water ratingFibre-reinforced polymer case and bezel with silicone band; 5 ATM water rating.
Size43 x 43 x 11.6 mm; Garmin lists 39 g without a separate body-only weight47 x 47 x 13.9 mm; 49 g.
Bands20 mm quick-release silicone bands; fits 126–203 mm wristsQuickFit 22 mm interchangeable band.
ColoursBlack/Slate Grey; Mist Grey/Whitestone; Turquoise/Aqua; Berry/Lilac (currently not sellable on the UK maker page)Black case with force yellow band.
In the boxForerunner 165 Music; charging/data cable; documentation–

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