Here’s a comparison of the current Garmin watch models: Instinct, tactix & Foretrex

Product
tactical comparison
Instinct – Tactical Edition
instinct tactical
Instinct Solar – Tactical
instict solar tactical
Instinct 2 Solar – Tactical Edition

tactix Delta
tactix delta
tactix Delta – Solar Edition
tactix solar
tactix 7 – Standard Edition
tactix 7 – Pro Editions
Foretrex 601 & 701
forertrex 701
Lens Material chemically strengthened glassSolar-charging Power Glass™ lensPower Glass™domed sapphire crystalSolar-charging Power Glass™ lensSapphirePower Sapphire™
Bezel Material fiber-reinforced polymerfiber-reinforced polymerfiber-reinforced polymerDiamond-like Carbon (DLC) coated titaniumDiamond-like Carbon (DLC) coated titaniumtitaniumtitanium
Case Material fiber-reinforced polymerfiber-reinforced polymerfiber-reinforced polymerfiber-reinforced polymer with titanium rear coverfiber-reinforced polymer with titanium rear coverfiber-reinforced polymer with titanium rear coverfiber-reinforced polymer with titanium rear coverMIL-STD-810 Compliant: thermal, shock, water
QuickFit Watch Band Compatible ✅ (22 mm)✅ (22 mm)✅ (22 mm)✅ (26 mm)✅ (26 mm)✅ (26 mm)✅ (26 mm)
Strap Material siliconesiliconesiliconesiliconenylon and siliconesiliconenylon and silicone
Water Rating 10 ATM 10 ATM10 ATM10 ATM10 ATM10 ATM10 ATMIPX 7
Physical Size 45 x 45 x 15.3 mm
Fits wrists with a circumference of 132-224 mm
45 x 45 x 15.3 mm
Fits wrists with a circumference of 132-224 mm
45 x 45 x 14.6 mm
Fits wrists with a circumference of 135-230 mm
51 x 51 x 14.9 mm
Fits wrists with the following circumference:
Silicone band: 127-210 mm
Leather band: 135-213 mm
Fabric band: 135-213 mm
Metal band: 135-225 mm
51 x 51 x 14.9 mm
Fits wrists with the following circumference:
Silicone band: 127-210 mm
Leather band: 135-213 mm
Fabric band: 135-213 mm
Metal band: 135-225 mm
51 x 51 x 14.9 mm
Fits wrists with the following circumference:
Silicone band: 127-210 mm
Leather band: 135-213 mm
Fabric band: 135-213 mm
Metal band: 135-225 mm
51 x 51 x 14.9 mm
Fits wrists with the following circumference:
Silicone band: 127-210 mm
Leather band: 135-213 mm
Fabric band: 135-213 mm
Metal band: 135-225 mm
2.9″ x 1.7″ x 0.9″
Battery internal rechargeable batteryinternal rechargeable batteryinternal rechargeable batteryinternal rechargeable batteryinternal rechargeable batteryinternal rechargeable batteryinternal rechargeable battery2 AAA batteries (not included)
Display Type monochrome, sunlight-visible, transflective memory-in-pixel (MIP)monochrome, sunlight-visible, transflective memory-in-pixel (MIP)monochrome, sunlight-visible, transflective memory-in-pixel (MIP)sunlight-visible, transflective memory-in-pixel (MIP)monochrome, sunlight-visible, transflective memory-in-pixel (MIP)sunlight-visible, transflective memory-in-pixel (MIP)sunlight-visible, transflective memory-in-pixel (MIP)high-resolution 4-color gray
Display Size custom, two-window design; 0.9” x 0.9” (23 x 23 mm)custom, two-window design; 0.9” x 0.9” (23 x 23 mm)custom, two-window design; 0.9” x 0.9” (23 x 23 mm)1.4” (35.56 mm) diamete1.4” (35.56 mm) diamete1.4” (35.56 mm) diameter1.4” (35.56 mm) diameter2.0″ diagonal
Display Resolution 128 x 128 pixels128 x 128 pixels176 x 176 pixels280 x 280 pixels280 x 280 pixels280 x 280 pixels280 x 280 pixels200 x 128 pixels
Color Display
Night Visio Mode
Stealth Mode
Kill Switch
Battery Life Smartwatch mode: Up to 14 days
GPS mode: Up to 16 hours
UltraTrac™ mode: Up to 40 hours
Smartwatch: Up to 24 days/54 days with solar*
Battery Saver Watch Mode: Up to 56 days/Unlimited with solar*
GPS: Up to 30 hours/38 hours with solar**
Max Battery GPS Mode: Up to 70 hours/145 hours with solar**
Expedition GPS Activity: Up to 28 days/68 days with solar*
Smartwatch: Up to 28 days/Unlimited with solar*
Battery Saver Watch Mode: Up to 65 days/Unlimited with solar*
GPS: Up to 30 hours/48 hours with solar**
Max Battery GPS Mode: Up to 70 hours/370 hours with solar**
Expedition GPS Activity: Up to 32 days/Unlimited with solar*
Smartwatch: Up to 21 days
Battery Saver Watch Mode: Up to 80 days
GPS: Up to 60 hours 
GPS + Music: Up to 15 hours
Max Battery GPS Mode: Up to 120 hours 
Expedition GPS Activity: Up to 46 days
Smartwatch: Up to 21 days/24 days with solar*
Battery Saver Watch Mode: Up to 80 days/120 days with solar*
GPS: Up to 60 hours/66 hours with solar**
GPS + Music: Up to 15 hours/16 hours with solar**
Max Battery GPS Mode: Up to 120 hours/148 hours with solar**
Expedition GPS Activity: Up to 46 days/56 days with solar*
Smartwatch: Up to 28 days
Battery Saver Watch Mode: Up to 90 days
GPS Only: Up to 89 hours
All Satellte Systems: Up to 63 hours
All Satellite Systems + Music: Up to 16 hours
Max Battery GPS: Up to 213 hours
Expedition GPS: Up to 62 days
Smartwatch: Up to 28 days/37 days with solar*
Battery Saver Watch Mode: Up to 90 days/1+ year with solar*
GPS Only: Up to 89 hours/122 hours with solar**
All Satellte Systems: Up to 63 hours/77 hours with solar*
All Satellite Systems + Music: Up to 16 hours Max Battery
GPS: Up to 213 hours/578 hours with solar**
Expedition GPS: Up to 62 days/139 days with solar*
Exceeds 48 hours in GPS mode; up to 1 week in UltraTrac™ mode; up to 1 month in watch mode
Memory/History 16 MB16 MB32 MB32 MB32 MB32 GB32 GB
Maps & Memory
Basemap
Preloaded Topographical Maps
Preloaded Ski Resort Maps
Downloadable Cartography Support
Waypoints/Favorites/ Locations 500
Routes 20
Track Log10,000
Sensors
GPS/GLONASS/GalileoGPS/GLONASS/GalileoGPS/GLONASS/GalileoGPS/GLONASS/GalileoGPS/GLONASS/GalileoGPS/GLONASS/GalileoGPS/GLONASS/GalileoGPS/GLONASS/GalileoGPS/GLONASS/Galileo
Multi-frequency Positioning
Garmin Elevate Wrist Heart Rate Monitor
Barometric Altimeter
Compass
Gyroscope
Thermometer
Pulse Ox
Daily Smart Features
Connectivity Bluetooth®, ANT+®Bluetooth®, ANT+®Bluetooth®, ANT+®Bluetooth® Smart, ANT+®, Wi-Fi®Bluetooth® Smart, ANT+®, Wi-Fi®BLUETOOTH®, ANT+®, Wi-Fi®BLUETOOTH®, ANT+®, Wi-Fi®Bluetooth®
Connect IQ™ (downloadable watch faces, data fields, widgets and apps)
On-device Connect IQ™ Store
Text response/reject phone call with text (Android™ only)
Calendar
Weather
Realtime settings sync with Garmin Connect™ mobile
Battery Saver – Customizable Low Power Watch
Controls Smartphone Music
Plays and Controls Watch Music
Music Storage up to 2,000 songsup to 2,000 songs
Find My Phone
Find My Watch
VIRB Camera Remote
Smartphone Compatibility iPhone®, Android™iPhone®, Android™iPhone®, Android™iPhone®, Android™iPhone®, Android™iPhone®, Android™iPhone®, Android™iPhone®, Android™
Compatible with Garmin Connect Mobile
Garmin Pay
Activity Tracking Features
Step Counter
Move Bar (displays on device after a period of inactivity; walk for a couple of minuets to rest it)
Auto Goal (learns your activity level and assigns a daily step goal)
Sleep Monitoring
Calories Burned
Floors Climbed
Distance Traveled
Intensity Minuets
TrueUp
Move IQ
Fitness Age ✅ (In App) ✅ (In App)✅ (In App)✅ (In App)✅ (In App)✅ (In App)
All-Day Stress Tracking
Safety and Tracking Features
Live Track
Group LiveTrack
Live Event Sharing
Incident Detection During Select Activities
Assistance
Fitness Equipment/Gym
Available Gym Activity Profiles Strength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing and YogaStrength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing and YogaStrength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Breathwork, Pilates, YogaStrength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates and YogaStrength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates and YogaStrength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, YogaStrength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga
Cardio Workouts
Strength Workouts
HIIT workouts
Yoga Workouts
Pilates Workouts
On-Screen Workout Animations
Automatic Rep Counting
Training, Planning and Analysis Features
GPS Speed & Distance
Customizable Data Pages
Customizable Activity Profiles
Auto Pause
Interval Training
Improved interval (includes open repeats, intervals data page, rest screen and auto detection)
Advanced Workouts
Downloadable Training Plans
Power Modes- Customizable In-Activity Battery Settings
Auto Lap
Manual Lap
Configure Lap Alert
Heat and altitude Acclimation
VO2 Max
Training Status
Training Load
Training Effect (aerobic)
Training Effect (anaerobic)
Customizable Alerts
Audio Prompts
Finish Time
Virtual Partner
Race an Activity
Auto Multisport Activity
Manual Multisport Activities
Course Guidance
Segments (Live, Garmin)
Strava Features (beacon, Live Segments
Round-Trip Course Creator (running/cycling)
Touch and/or Button Lock
Hot Keys
Auto Scroll
Activity History on Watch
Heart Rate Features
HR Zones
HR Alerts
HR Calories
% HR MAx
% HRR
Recovery Time
Auto Max HR
HRV Stress Test ✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)
HR Broadcast (broadcasts HR data over ANT+ to Paired Devices) ✅ (using ANT+)
Respiration Rate (During Exercise) ✅ (with compatible accessory)✅ (with compatible accessory)
Running Features
Available Run Profiles Running, Treadmill Running, Indoor Track Running, Trail RunningRunning, Treadmill Running, Indoor Track Running, Trail RunningRunning, Treadmill Running, Indoor Track Running, Trail RunningRunning, Treadmill Running, Trail RunningRunning, Treadmill Running, Trail RunningRunning, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running, Ultra RunningRunning, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running, Ultra Running
GPS-based Distance, Time and Place
Running Dynamics ✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)
Vertical Oscillations and Ratiode Length ✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)
Ground Contact Time and Balance ✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)
Stride Length (real time) ✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)
Cadence (provides real-time steps per minuet)
Performance Condition
Lactate Threshold ✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)
PacePro Pacing Strategies
Run Workouts
Race Predictor
Run/Walk/Stand detection
Foot Pod Capable
Golfing Features
Preloaded with 42,000 courses worldwide
Yardage to F/M/B Layups/Doglegs, Measures Shot Distance, Digital Scorecard & More
Full Vector Map
PinPointer
Playslike Distance
Handicap Scoring
Tournament legal
Outdoor Recreation Features
Applied Ballistics Calculator in Ballistic Editionin Ballistic Editionin 701 Ballistic Edition
Available Outdoor Recreation Profiles Hiking, Climbing, Mountain Biking, Skiing, Snowboarding, XC Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Jumpmaster, TacticalHiking, Climbing, Mountain Biking, Skiing, Snowboarding, XC Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Fishing, Hunting, Tactical, JumpmasterHiking, Indoor Climbing, Bouldering, Climbing, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Hunting, Snowhshoeing, Fishing, Horseback Riding, Tennis, TacticalHiking, Climbing, Mountain Biking, Skiing, Snowboarding, XC Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Jumpmaster, TacticalHiking, Climbing, Mountain Biking, Skiing, Snowboarding, XC Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Jumpmaster, TacticalHiking, Indoor Climbing, Bouldering, Climbing, Mountain Biking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Hunting, Kiteboarding, Windsurfing, Snowshoeing, Jumpmaster, Tennis, Pickleball, TacticalHiking, Indoor Climbing, Bouldering, Climbing, Mountain Biking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Hunting, Kiteboarding, Windsurfing, Snowshoeing, Jumpmaster, Tennis, Pickleball, Tactical
Point-to-Point Navigation
Bread Crumb Trial In Real Time
Back to Start
TracBack
UltraTrac Mode
Around Me Mode
Elevation Profile
Distance to Destination
Climb Pro Ascent Planner
Trail Run Auto Climb
Vertical Speed
Total Ascent/Descent
Future Elevation Plot
Projected Waypoint
Sight ‘N Go
Area Calculation ✅ (via Connect IQ™)✅ (via Connect IQ™)✅ (via Connect IQ™)✅ (via Connect IQ™)
Hunt/Fish Calendar✅ (via Connect IQ™)✅ (via Connect IQ™)✅ (via Connect IQ™)✅ (via Connect IQ™)
Sun and Moon Information ✅ (via Connect IQ™)✅ (via Connect IQ™)✅ (via Connect IQ™)✅ (via Connect IQ™)
Dual Grid Coordinates
Expedition GPS Activity
XERO Locations
Kestrel wind meter compatible
Tides✅ (via Connect IQ™)✅ (via Connect IQ™)✅ (via Connect IQ™)✅ (via Connect IQ™)
Cycling Features
Available Cycling Profiles Biking, Indoor Biking, Mountain BikingBiking, Indoor Biking, Mountain BikingBiking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, TriathlonBiking, Indoor Biking, Mountain Biking, TriathlonBiking, Indoor Biking, Mountain Biking, TriathlonBiking, Indoor Biking, Mountain Biking, TriathlonBiking, Indoor Biking, Mountain Biking, Triathlon
Courses
MTB Grit & Flow
Bike Lap and Lap Maximum (with power sensor)
Race an Activity
Time/ Distance Alerts (triggers alarm when you reach goal)
FTP (Functional Treshold Power)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)✅ (with compatible accessory)
Garmin Cycle Map (routable cycling-specific street maps)
Compatible with Vector and Rally (power meter)
Power Meter Compatible
Advanced Vector Support
Compatible with Varia Radar
Compatible with Varia Lights
Speed and Cadence Sensor Support (with sensor) ✅ (ANT+® and Bluetooth® Smart sensors)✅ (ANT+® and Bluetooth® Smart sensors)✅ (ANT+® and Bluetooth® Smart sensors)✅ (ANT+® and Bluetooth® Smart sensors)
Swimming Features
Available Swim Profiles Pool Swimming, Open Water SwimmingPool Swimming, Open Water SwimmingPool Swimming, Open Water SwimmingPool Swimming, Open Water Swimming, Swimming/RunningPool Swimming, Open Water Swimming, Swimming/RunningPool Swimming, Open Water Swimming, Swimming/RunningPool Swimming, Open Water Swimming, Swimming/Running
Pool Swim Metrics, Stroke type detection, SWOLF, Drill Logging, Open Water Workouts
Underwater Wrist-based Heart Rate
Heart Rate (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim ✅ (with HRM-Tri™ and HRM-Swim™)✅ (with HRM-Tri™ and HRM-Swim™)✅ (with HRM-Tri™, HRM-Swim™ and HRM-Pro™)✅ (with HRM-Tri™, HRM-Swim™ and HRM-Pro™)
Aviation Features
Worldwide airport database(s)
3-axis compass with HSI (horizontal situation indicator)
Multiple time zones with Zulu/UTC
NEXRAD on moving map
Moving Map with aviation airports, navaids, roads, bodies of water and more
Worldwide NAVAID and Intersection database(s)
In-flight Pulse Ox
METAR (Meteorological Aerodrome Report)
TAF (Terminal Aerodrome Forecast)