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Garmin Instinct 3 Solar Tactical vs Garmin Instinct Crossover AMOLED

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

Better figure, where one is clearly better

GarminInstinct 3 Solar TacticalGarminInstinct Crossover AMOLED
Overview
ReleasedApril 2025September 2025
Display
Case sizes45 mm or 50 mm46.6 mm
PanelMemory-in-pixelOLED
Always-on displayYesYes
Display detailMonochrome, sunlight-visible, transflective memory-in-pixel display with a separate circular window; always visible, five-button controls, no touchscreen. 45 mm: 23 x 23 mm (0.9 inch); 50 mm: 27 x 27 mm (1.1 inch); both 176 x 176 pixels.Full-colour 30 mm (1.2 inch) diameter AMOLED, 390 x 390 pixels, with a central hole for the mechanical analogue hands. Optional always-on display; five-button controls, no touchscreen. The hands move to highlight data; RevoDrive automatically detects and recalibrates misalignment after an impact. Manual calibration is also available.
Screen protectionPower Glass solar-charging lensSapphire crystal; Super-LumiNova coating on the analogue hands; no solar charging
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)Dual-band (L1 and L5)
Water resistance100 m100 m
SensorsGarmin Elevate wrist heart rate; Pulse Ox; barometric altimeter; compass; gyroscope; accelerometer; thermometerGarmin Elevate wrist heart rate; Pulse Ox; barometric altimeter; compass; gyroscope; accelerometer; thermometer; ambient light sensor
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; sleep score, sleep coach and naps; breathing variations; stress and respiration tracking; continuous heart rate and abnormal heart-rate alerts; Health Snapshot and Health Status; menstrual cycle and pregnancy tracking through Garmin Connect. Pulse Ox availability varies by country.
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.Training 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 with automatic transition; strength training, hiking, cycling and pool/open-water swimming. Rucking records pack weight. Breadcrumb courses, TracBack, reference points, projected waypoints and off-course alerts; no built-in topographic maps.
Safety featuresBuilt-in white/green LED flashlight with strobe; incident detection during selected activities, assistance and LiveTrack require a paired compatible phoneBuilt-in LED flashlight; incident detection during selected activities, assistance and LiveTrack require a paired compatible phone
Battery and connections
Battery life (maker's claim)Up to 40 daysUp to 14 days
In low-power modeUp to 100 daysUp to 18 days
Mobile data optionNoNo
Works withiPhone and AndroidiPhone and Android
Storage–4 GB
Battery life detailHeadline claims use the 50 mm size without solar. 45 mm: smartwatch 28 days; battery saver 65 days; GPS only 40 hours, 130 with solar; all systems 28 hours, 50 with solar; all systems plus multi-band 24 hours, 40 with solar; max-battery GPS 100 hours; expedition GPS 36 days. 50 mm: smartwatch 40 days; battery saver 100 days; GPS only 60 hours, 260 with solar; all systems 40 hours, 80 with solar; all systems plus multi-band 34 hours, 60 with solar; max-battery GPS 150 hours; expedition GPS 60 days. Garmin claims unlimited smartwatch, battery-saver, max-battery GPS and expedition use with sufficient solar: everyday modes assume all-day wear and three hours outside daily at 50,000 lux; GPS modes assume use in 50,000 lux. Multi-band figures assume typical SatIQ use. Actual endurance varies with settings, activities and sunlight.Smartwatch: up to 14 days with wrist gesture, 5 days with always-on display; battery saver watch mode: 18 days; GPS only: 29 hours, or 24 with always-on display; all satellite systems: 18 hours, or 16 always-on; all systems plus multi-band: 15 hours, or 13 always-on, assuming typical SatIQ use; max-battery GPS: 53 hours; expedition GPS: 12 days. Actual endurance depends on display, activities, sensors, notifications and settings.
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. Solar charging is limited when the battery is full, externally powered or outside its charging temperature range.Built-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.
ConnectivityBluetooth and ANT+; GPS, GLONASS and Galileo; 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+; GPS, GLONASS and Galileo; 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. Android phones support text replies and viewing images in notifications.
Storage128 MB; no offline music storage4 GB; controls paired-phone music rather than storing offline audio
Design
Weight (lightest version)52 g67 g
SoftwareGarminGarmin
Case materialsFibre-reinforced polymer case; polymer/aluminium bezel; silicone band; maker states MIL-STD-810 thermal and shock testingFibre-reinforced polymer case; fibre-reinforced polymer/stainless steel bezel; silicone band. Maker states MIL-STD-810 thermal and shock testing.
Size45 mm: 45 x 45 x 14.9 mm, 52 g. 50 mm: 50 x 50 x 14.4 mm, 58 g. Maker does not identify these as case-only weights.46.6 x 46.6 x 15.1 mm; 67 g. Maker does not identify this as a case-only weight.
Bands45 mm: 22 mm band, compatible with QuickFit 22, fits 137–204 mm wrists. 50 mm: 26 mm band, compatible with QuickFit 26, fits 141–213 mm wrists.22 mm silicone band, compatible with QuickFit 22; fits 141–213 mm wrists.
ColoursBoth current UK sizes are Black with Black Band. Exact UK parts: 45 mm 010-02934-50; 50 mm 010-02935-50. The separately sold 50 mm AMOLED Tactical has different display hardware and battery claims.Current UK finishes: Charcoal (010-03398-00) and Bronze with Sunburst band (010-03398-01). The Black Tactical Edition and older monochrome Crossover Standard/Solar models are separate hardware variants.
In the boxInstinct 3 Solar watch with silicone band; charging/data cable; documentationInstinct Crossover AMOLED smartwatch; charging/data cable; documentation

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