Request a product

Garmin Instinct 3 AMOLED Tactical vs Garmin Instinct E

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

Better figure, where one is clearly better

GarminInstinct 3 AMOLED TacticalGarminInstinct E
Overview
ReleasedApril 2025January 2025
Display
Case sizes50 mm40 mm or 45 mm
PanelOLEDMemory-in-pixel
Always-on displayYesYes
Display detailFull-colour 33 mm (1.3 inch) diameter AMOLED, 416 x 416 pixels. Optional always-on display; five-button controls, no touchscreen. Red Shift display mode can use red, green or orange shades.Monochrome sunlight-visible transflective memory-in-pixel display, custom two-window design; always visible, five-button controls and no touchscreen. 40 mm: 22 x 22 mm (0.86 x 0.86 inch), 166 x 166 pixels. 45 mm: 23 x 23 mm (0.9 x 0.9 inch), 176 x 176 pixels.
Screen protectionChemically strengthened glass; no solar chargingChemically strengthened glass
Health and fitness
ECGNoNo
Blood oxygenYesYes
Skin temperatureNoNo
Sleep apnoea alertsNoNo
High blood pressure alertsNoNo
Body compositionNoNo
Fall detectionNoNo
Crash detectionNoNo
GPSDual-band (L1 and L5)Single-band
Water resistance100 m100 m
SensorsGarmin Elevate wrist heart rate; Pulse Ox; barometric altimeter; compass; gyroscope; accelerometer; thermometer; ambient light sensorGarmin Elevate wrist heart rate; Pulse Ox; barometric altimeter; compass; accelerometer; thermometer. No gyroscope or multi-band GNSS.
Health featuresHRV status; Body Battery; sleep score, sleep coach and naps; breathing variations; stress and respiration tracking; continuous heart rate and abnormal heart-rate alerts; Health Snapshot; menstrual cycle and pregnancy tracking through Garmin Connect; Pulse Ox availability varies by country; no ECG appHRV status; Body Battery; advanced sleep monitoring, sleep score and nap detection; breathing variations; Health Snapshot and Health Status; continuous heart rate, abnormal high/low heart-rate alerts, stress and respiration tracking; fitness age; menstrual cycle/pregnancy tracking through Garmin Connect. Pulse Ox availability varies by country. Smart wake alarm is described in the current overview. Nutrition tracking in Garmin Connect requires a Connect+ plan; ordinary health syncing does not.
Fitness featuresTraining readiness and status, load focus and load ratio; Garmin Coach and daily suggested running/cycling workouts; wrist running dynamics and power; PacePro; multisport and triathlon; strength training, hiking, cycling and pool/open-water swimming. Breadcrumb courses, TracBack, reference points, waypoints and off-course alerts; full maps in paired Garmin Explore app, not built into the watch. Tactical features include stealth mode, night-vision compatibility, dual-format coordinates, projected waypoints, Jumpmaster, Tactical activity and a stage timer. Rucking records pack weight. The preloaded Applied Ballistics solver requires a one-time paid unlock and works with the Applied Ballistics Quantum app.Garmin Coach, daily suggested running/cycling workouts, custom workouts, VO2 max, training effect and recovery time; running, cycling, pool/open-water swimming, hiking, strength, HIIT and other activities. Wrist running dynamics; ground-contact-time balance requires a compatible running-dynamics accessory. No running power, training readiness or training status in the current maker technical table. Breadcrumb courses, TracBack, reference points and waypoints; no built-in topographic maps. Current guide includes Jumpmaster and current web table Tactical/dual-grid labels, but the overview does not describe dedicated tactical controls; no stealth, night-vision or kill-switch capability attributed.
Safety featuresBuilt-in white/green LED flashlight with strobe; incident detection during selected activities, assistance and LiveTrack require a paired compatible phoneIncident detection during selected activities, assistance and LiveTrack require a paired compatible phone with network service. Screen flashlight, not a physical LED flashlight.
Battery and connections
Battery life (maker's claim)Up to 24 daysUp to 16 days
In low-power modeUp to 30 daysUp to 40 days
Mobile data optionNoNo
Works withiPhone and AndroidiPhone and Android
Storage4 GB–
Battery life detailSmartwatch: up to 24 days with wrist gesture, 9 days with always-on display; battery saver watch mode: 30 days; GPS only: 40 hours; all satellite systems: 32 hours; all systems plus multi-band: 30 hours, assuming typical SatIQ use; max-battery GPS: 86 hours; expedition GPS: 20 days. Actual endurance depends on display, activities, sensors, notifications and settings.Headline endurance uses the 45 mm case. 40 mm: smartwatch up to 14 days; battery saver up to 35 days; GPS only up to 21 hours; all satellite systems up to 14 hours; max-battery GPS up to 43 hours; expedition GPS up to 17 days. 45 mm: smartwatch up to 16 days; battery saver up to 40 days; GPS only up to 24 hours; all satellite systems up to 16 hours; max-battery GPS up to 50 hours; expedition GPS up to 20 days. Actual endurance depends on features, sensors, GPS, phone notifications and settings. No solar charging.
ChargingBuilt-in rechargeable lithium-ion battery; proprietary Garmin charging/data cable, USB-C at the power-source end. Owner guide specifies at least 5 W from a computer or compatible AC adaptor.Rechargeable built-in lithium-ion battery; Garmin proprietary charging/data connector. Included cable plugs into a USB-C computer port or AC adapter rated at least 5 W, according to the exact May 2026 owner guide.
ConnectivityBluetooth and ANT+; GPS, GLONASS, Galileo, QZSS and BeiDou; multi-band GNSS with SatIQ; Garmin Pay and Garmin Share. Controls paired-phone music rather than storing offline audio; smart notifications and Garmin Messenger require a paired compatible phone. Stealth mode disables wireless communications and prevents GPS position storage/sharing; the kill switch erases user data. Night-vision mode adjusts the display and disables wrist heart rate.Bluetooth and ANT+; single-band GPS, GLONASS and Galileo. Smart notifications, Android text replies and paired-phone music controls. Garmin Share and Garmin Messenger through a compatible paired phone. No Garmin Pay, offline music playback or cellular connectivity.
Storage4 GB; controls paired-phone music rather than storing offline audio128 MB
Design
Weight (lightest version)59 g41 g
SoftwareGarminGarmin
Case materialsFibre-reinforced polymer case; polymer/aluminium bezel; silicone band; maker states MIL-STD-810 thermal and shock testingFibre-reinforced polymer case and bezel; silicone band. Maker states engineered to MIL-STD-810 for thermal and shock resistance.
Size50 x 50 x 14.4 mm; 59 g. Maker does not identify this as a case-only weight.40 mm: 40 x 40 x 13.6 mm, 41 g. 45 mm: 45 x 45 x 14.2 mm, 48 g. Maker does not identify these as case-only weights.
Bands26 mm silicone band, compatible with QuickFit 26; fits 141–213 mm wrists.40 mm: 20 mm silicone band, QuickFit 20 compatible, fits 107–179 mm wrists. 45 mm: 22 mm silicone band, QuickFit 22 compatible, fits 132–213 mm wrists.
ColoursCurrent UK listing: Black with Black Band, exact part 010-03020-50. Only the 50 mm AMOLED Tactical is offered; the 45/50 mm Solar Tactical models have different display and battery hardware.Current UK/US range: 40 mm Black with Charcoal Band (010-02932-00); 45 mm Black with Charcoal Band (010-02933-00); 45 mm Electric Lime with Electric Lime Band (010-02933-01), a cosmetic limited edition. All three are sellable/in stock. No 40 mm Electric Lime SKU appears in the current accessible maker range.
In the boxInstinct 3 AMOLED Tactical watch with silicone band; charging/data cable; documentationInstinct E smartwatch; charging/data cable; documentation

More comparisons