COMPARE GARMIN AQUATIC SMART WATCHES

Here’s a comparison of the current Garmin watch models: Instinct 2 Solar Surf, Descent G1, G1 Solar, Mk2S, Mk2 and quatix 7x Solar. Learn which Garmin aquatic smartwatch is the right watch for you!

	Instinct 2/2s Solar – Surf Edition	Descent G1	Descent G1 Solar	Descent Mk2S	Descent Mk2 & Mk2i	quatix 7x Solar
Lens material	Power Glass™	sapphire crystal	Power Glass™	sapphire crystal	sapphire crystal	Power Sapphire™
Bezel material	fiber-reinforced polymer	fiber-reinforced polymer	fiber-reinforced polymer	stainless steel	Stainless Steel or Diamond-like Carbon (DLC) coated titanium	titanium
Case material	fiber-reinforced polymer	fiber-reinforced polymer	fiber-reinforced polymer	fiber-reinforced polymer	fiber-reinforced polymer with metal rear cover	fiber-reinforced polymer with titanium rear cover
QuickFit watch band compatible	✅ 2: 22 mm 2S: 20 mm	✅ (22 mm)	✅ (22 mm)	✅ (20 mm)	✅ (26 mm)	✅ (26 mm)
Strap material	Silicone	Silicone	Silicone	Silicone	Silicone or Titanium	titanium and silicone included
Water rating	10 ATM	Dive (100 meters)	Dive (100 meters)	Dive (100 meters)	Dive (100 meters)	10 ATM
Physical size	2:45 x 45 x 14.2 mm Fits wrists with a circumference of 135-230 mm 2s: 40 x 40 x 13.3 mm Fits wrists with a circumference of 112-180 mm	45.5 x 45.5 x 15.2 mm Silicone Band: 128-224 mm Extra Long Silicone Band: 128-373 mm	45.5 x 45.5 x 15.2 mm Silicone Band: 128-224 mm Extra Long Silicone Band: 128-373 mm	43 x 43 x 14.15 mm  Fits wrists with the following circumference: Silicone band: 128-224 mm Extra long silicone band: 126-360 mm	52 x 52 x 17.8 mm Fits wrists with the following circumference: Silicone band: 135-230 mm Extra long silicone band: 135-355 mm	51 x 51 x 14.9 mm Fits wrists with the following circumference:  Silicone band: 127-210 mm Leather and fabric band: 135-213 mm Metal band: 135-225 mm
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)	sunlight-visible, transflective memory-in-pixel (MIP)	sunlight-visible, transflective memory-in-pixel (MIP)
Display size	2: custom, two-window design; 0.9” x 0.9” (23 x 23 mm) 2s: custom, two-window design; 0.79” x 0.79” (20 x 20 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)	1.2” (30.4 mm) diameter	1.4” (35.56 mm) diameter	1.4” (35.56 mm) diameter
Display resolution	2: 176 x 176 pixels 2s: 156 x 156 pixels (active area)	176 x 176 pixels	176 x 176 pixels	240 x 240 pixels	280 x 280 pixels	280 x 280 pixels
Color display	❌	❌	❌	✅	✅	✅
LED flashlight	❌	❌	❌	❌	❌	✅
Memory/ History	32 MB	32 MB	32 MB	32 GB	32 GB	32 GB
Battery life	Smartwatch: Up to 28/21 days, Unlimited/51 days with solar with solar* Battery Saver Watch Mode: Up to 65/50 days/Unlimited with solar* GPS: Up to 30/22 hours, 48/28 hours with solar** Max Battery GPS Mode: Up to 70/54 hours, 370/114 hours with solar** Expedition GPS Activity: Up to 32/25 days, Unlimited/105 days with solar*	Dive Mode: Up to 25 hours Smartwatch: Up to 21 days Battery Saver Watch Mode: Up to 48 days GPS: Up to 26 hours Max Battery GPS Mode: Up to 56 hours Expedition GPS Activity: Up to 27 days	Dive Mode: Up to 25 hours Smartwatch: Up to 21 days/4 months with solar * Battery Saver Watch Mode: Up to 48 days/Unlimited with solar* GPS: Up to 26 hours/39 hours with solar ** Max Battery GPS Mode: Up to 56 hours/205 hours with solar** Expedition GPS Activity: Up to 27 days/Unlimited with solar*	Smartwatch: Up to 7 days Battery Saver Watch Mode: Up to 21 days GPS: Up to 18 hours GPS + Music: Up to 6 hours  Max Battery GPS Mode: Up to 32 hours Dive mode: Up to 30 hoursCharging methodGarmin proprietary clip chargerGarmin proprietary clip chargerGarmin proprietary clip chargerMemory/History32 MB32 MB32 GB	Smartwatch: Up to 16 days Battery Saver Watch Mode: Up to 50 days GPS: Up to 48 hours GPS + Music: Up to 15 hours Max Battery GPS Mode: Up to 96 hours Dive mode: Up to 80 hours Dive mode with Descent T1: Up to 32 hours Expedition GPS Activity: up to 35 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 Satellite Systems: Up to 63 hours/77 hours with solar* All Satellite Systems + Multi-band: Up to 38 hours/42 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*
Clock Features
Time/date	✅	✅	✅	✅	✅	✅
GPS time sync	✅	✅	✅	✅	✅	✅
Automatic daylight savings time	✅	✅	✅	✅	✅	✅
Alarm clock	✅	✅	✅	✅	✅	✅
Timer	✅	✅	✅	✅	✅	✅
Stopwatch	✅	✅	✅	✅	✅	✅
Sunrise/sunset times	✅	✅	✅	✅	✅	✅
Maps & Memory
Basemap	❌	❌	❌	✅	✅	✅
Preloaded topographical maps	❌	❌	❌	✅	✅	✅
Preloaded ski resort maps	❌	❌	❌	✅	✅	✅
Downloadable cartography support	❌	❌	❌	✅	✅	✅
Sensors
GPS/GLONASS/Galileo	GPS/GLONASS/Galileo	GPS/GLONASS/Galileo	GPS/GLONASS/Galileo	GPS/GLONASS/Galileo	GPS/GLONASS/Galileo	GPS/GLONASS/Galileo
Multi-frequency Positioning	❌	❌	❌	❌	❌	✅
Garmin elevate wrist heart rate monitor	✅	✅	✅	✅	✅	✅
Accelerometer	✅	✅	✅	✅	✅	✅
Barometric Altimeter	✅	✅	✅	✅	✅	✅
Compass	✅	✅	✅	✅	✅	✅
Gyroscope	❌	✅	❌	✅	✅	✅
Thermometer	✅	✅	✅	✅	✅	✅
Depth sensors	❌	✅	✅	✅	✅	❌
Pulse Ox	✅	✅	✅	✅	✅ (with acclimation)	✅
Health Monitoring
Wrist-band heart rate (constant, every second)	✅	✅	✅	✅	✅	✅
Daily resting heart rate	✅	✅	✅	✅	✅	✅
Abnormal heart rate alerts	✅ (High and Low)	✅ (High and Low)	✅ (High and Low)	✅ (High and Low)	✅ (High and Low)	✅ (High and Low)
Respiration rate (24×7)	✅	✅	✅	✅	✅	✅
Pulse Ox Blood oxygen saturation	✅ (spot-check, during sleep, all day)	✅ (spot-check, during sleep, all day)	✅ (spot-check, during sleep, all day)	✅ (spot-check, and optional all-day acclimation and in sleep)	✅ (spot-check, and optional all-day acclimation and in sleep)	✅ (spot-check, and optional all-day acclimation and in sleep)
Fitness age	✅	✅	✅	✅	✅ (in app)	✅ (in app)
Body Battery energy monitor	✅	✅	✅	✅	✅	✅
All-day stress tracking	✅	✅	✅	✅	✅	✅
Relaxation reminders	✅	✅	✅	✅	✅	✅
Relaxation breathing timer	✅	✅	✅	✅	✅	✅
Sleep monitoring	✅ (with Sleep score and insights)	✅ (with Sleep score and insights)	✅ (with Sleep score and insights)	✅ (with Sleep score and insights)	✅	✅ (with Sleep score and insights)
Hydration	✅  (in Garmin Connect)	✅  (in Garmin Connect)	✅  (in Garmin Connect)	✅  (in Garmin Connect)	✅  (in Garmin Connect)	✅  (in Garmin Connect™ and optional Connect IQ™ widget)
Women’s Health tracking	✅  (in Garmin Connect)	✅  (in Garmin Connect)	✅  (in Garmin Connect)	✅  (in Garmin Connect)	✅  (in Garmin Connect)	✅  (in Garmin Connect™ and optional Connect IQ™ widget)
Health snapshot	✅	✅	✅	❌	❌	✅
Daily Smart Features
Connectivity	Bluetooth®, ANT+®	Bluetooth®, ANT+®	Bluetooth®, ANT+®	Bluetooth®, ANT+®, Wi-Fi®	Bluetooth®, ANT+®, Wi-Fi®, Subwave in Mk2i	Bluetooth®, ANT+®, Wi-Fi®
Connect IQ (downloadable watch faces, data fields, widgets and apps)	✅	✅	✅	✅	✅	✅
On-device Connect IQ Store	❌	❌	❌	❌	❌	✅
Text response /reject phone call with text	✅	✅	✅	✅	✅	✅
Calendar	✅	✅	✅	✅	✅	✅
Weather	✅	✅	✅	✅	✅	✅
Battery Saver- customizable low power watch	✅	✅	✅	✅	✅	✅
Controls smartphone music	✅	✅	✅	✅	✅	✅
Plays and controls watch music	❌	❌	❌	✅	✅	✅
Music storage	❌	❌	❌	✅	Up to 2,000 songs	Up 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™
Compatible with Garmin Connect Mobile	✅	✅	✅	✅	✅	✅
Garmin Pay	✅	✅	✅	✅	✅	✅
Activity Tracking Features
Step counter	✅	✅	✅	✅	✅	✅
Move bar (displays on device after a period pf inactivity; walk for a couple of minuets to reset it)	✅	✅	✅	✅	✅	✅
Auto goal (Learns your activity level and assigns a daily step goal)	✅	✅	✅	✅	✅	✅
Calories burned	✅	✅	✅	✅	✅	✅
Floors climbed	✅	✅	✅	✅	✅	✅
Distance traveled	✅	✅	✅	✅	✅	✅
Intensity minuets	✅	✅	✅	✅	✅	✅
TrueUp	✅	✅	✅	✅	✅	✅
Move IQ	✅	✅	✅	✅	✅	✅
Safety and Tracking Features
Live track	✅	✅	✅	✅	✅	✅
Group LiveTrack	❌	❌	❌	✅	✅	✅
Live event sharing	❌	❌	❌	✅	✅	✅
Incident detection during select activites	✅	✅	✅	✅	✅	✅
Assistance	✅	✅	✅	✅	✅	✅
Fitness Equipment
Available gym activity profiles	trength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Breathwork, Pilates, Yoga	Strength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Breathwork, Pilates, Yoga	Strength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Breathwork, Pilates, Yoga	Strength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Breathwork, Pilates, Yoga	Strength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates and Yoga	Strength, 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 and distance	✅	✅	✅	✅	✅	✅
Customizable data pages	✅	✅	✅	✅	✅	✅
Customizable activity profiles	✅	✅	✅	✅	✅	✅
Auto pause	✅	✅	✅	✅	✅	✅
Interval training	✅	✅	✅	✅	✅	✅
Advanced workouts	✅	✅	✅	✅	✅	✅
Downloadable training programs	✅	✅	✅	✅	✅	✅
Power modes – customizable in-activity battery settings	✅	✅	✅	✅	✅	✅
Auto Lap	✅	✅	✅	✅	✅	✅
Manual lap	✅	✅	✅	✅	✅	✅
Configure lap alerts	✅	✅	✅	✅	✅	✅
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	✅	✅	✅	✅	✅	✅
Manual multisport activities	✅	✅	✅	✅	✅	✅
Auto multisport activities	✅	✅	✅	✅	✅	✅
Course guidance	✅	✅	✅	✅	✅	✅
Segments	❌	❌	❌	✅	✅	✅
Strava features (beacon, live segments)	❌	❌	❌	✅	✅	✅
Round-trip course creator	❌	❌	❌	✅	✅	✅
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 accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)
Records heart rate while swimming	✅	✅	✅	✅ (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus)	✅ (with HRM-Tri and HRM-Swim)	✅ (with HRM-Tri and HRM-Swim)
HR broadcasts (broadcasts HR data over ANT+ to paired devices)	✅  (using ANT+)	✅  (using ANT+)	✅  (using ANT+)	✅	✅	✅
Respiration rate (during exercise)	✅	✅	✅	✅	✅	✅ (with compatible accessory)
Running Features
Available run profiles	Running, Treadmill Running, Indoor Track Running, Trail Running	Running, Treadmill Running, Indoor Track Running, Trail Running	Running, Treadmill Running, Indoor Track Running, Trail Running	Running, Treadmill Running, Indoor Track Running, Trail Running	Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running	Running, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running, Ultra Running
GPS-based distance, time and pace	✅	✅	✅	✅	✅	✅
Running dynamics	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessory)
Vertical oscillation and ratiode length	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessory)
Ground contact time and balance	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessory)
Stride length (real time)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessories)	✅ (with compatible accessory)
Cadance (provides real-time number of steps per minuete)	✅ (with compatible accessories)	✅	✅	✅	✅	✅
Performance condition	✅	✅	✅	✅	✅	✅
Lactate threshold	✅ (with compatible accessory)	✅ (with compatible accessory)	✅ (with compatible accessory)	✅ (with compatible accessory)	✅ (with compatible accessory)	✅ (with compatible accessory)
PacePro Pacing Strategies	❌	❌	❌	✅	✅	✅
Run Workouts	✅	✅	✅	✅	✅	✅
Race predictor	✅	✅	✅	✅	✅	✅
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	❌	❌	❌	✅	✅	✅
Yardage to layups/doglegs	✅	✅	✅	✅	✅	✅
Measure shot distance (calculates exact yardage for shots from anywhere on course)	manual	manual	manual	Automatic	✅	Automatic
Digital Scorecard	✅	✅	✅	✅	✅	✅
Custom targets	❌	❌	❌	✅	✅	✅
Stat tracking (strokes, putts per round, greens and fairways hit)	✅	✅	✅	✅	✅	✅
Garmin Autoshot	✅	❌	❌	✅	✅	✅
Auto courseview updates	✅	✅	✅	✅	✅	✅
Green view with manual pin position	✅	✅	✅	✅	✅	✅
Hazards and course targets	✅	✅	✅	✅	✅	✅
Truswing compatible	❌	❌	❌	✅	✅	✅
Pinpointer	❌	✅	✅	✅	✅	✅
PlaysLike distance	❌	❌	❌	✅	✅	✅
Handicap scoring	❌	❌	❌	✅	✅	✅
Round timer/odometer	✅	✅	✅	✅	✅	✅
Automatic club tracking compatible (requires accessory)	✅	✅	✅	✅	✅	✅
Tournament legal	✅	✅	✅	❌	❌	✅
Outdoor Recreation Features
Available outdoor recreation profiles	Hiking, Indoor Climbing, Bouldering, Climbing, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Hunting, Kiteboarding, Windsurfing, Snowhshoeing, Fishing, Horseback Riding, Tennis, Tactical	Hiking, Indoor Climbing, Bouldering, Climbing, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Hunting, Kiteboarding, Windsurfing, Snowhshoeing, Fishing, Horseback Riding, Tennis, Tactical	Hiking, Indoor Climbing, Bouldering, Climbing, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Hunting, Kiteboarding, Windsurfing, Snowhshoeing, Fishing, Horseback Riding, Tennis, Tactical	Hiking, Indoor Climbing, Bouldering, Climbing, Mountain Biking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Hunting, Kiteboarding, Windsurfing, Snowshoeing, Horseback Riding, Jumpmaster, Tennis, Pickleball, Tactical	Hiking, Indoor and Outdoor Climbing, Bouldering, Surfing, Mountain Biking, Skiing, Snowboarding, XC Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Jumpmaster, Tactical	Hiking, 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 trail in real time	✅	✅	✅	✅	✅	✅
TracBack	✅	✅	✅	✅	✅	✅
UltraTrac mode	✅	✅	✅	✅	✅	✅
Around me mode	❌	❌	❌	✅	✅	✅
Up Ahead	❌	❌	❌	❌	❌	✅
Elevation profile	✅	✅	✅	✅	✅	✅
Distance to destination	✅	✅	✅	✅	✅	✅
ClimbPro ascent planner	❌	❌	❌	✅	✅	✅
Trail run auto climb	✅	✅	✅	✅	✅	✅
Vertical speed	✅	✅	✅	✅	✅	✅
Total ascent/decent	✅	✅	✅	✅	✅	✅
Future elevation plot	✅	✅	✅	✅	✅	✅
Projected waypoint	✅	✅	✅	✅	✅	✅
Sight N’ Go	✅	✅	✅	✅	✅	✅
Area Calculations	✅	✅	✅	✅	✅ (via Connect IQ)	✅ (via Connect IQ)
Hunt/fish calendar	❌	❌	❌	✅ (via Connect IQ)	✅ (via Connect IQ)	✅ (via Connect IQ)
Sun and moon information	✅	✅	✅	✅ (via Connect IQ)	✅ (via Connect IQ)	✅ (via Connect IQ)
Dual grid coordinates	✅	✅	✅	✅	✅	✅
Expedition GPS Activity	✅	✅	✅	✅	✅	✅
XERO locations	✅	✅	✅	✅	✅	✅
Cycling Features
Available cycling profiles	Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, Triathlon	Biking, Road Biking, Mountain Biking, Gravel Biking, Cyclocross, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking	Biking, Road Biking, Mountain Biking, Gravel Biking, Cyclocross, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking	Biking, Indoor Biking, Mountain Biking, Triathlon	Biking, Indoor Biking, Mountain Biking, Triathlon	Biking, Indoor Biking, Mountain Biking, Triathlon
Courses	✅	✅	✅	✅	✅	✅
MTB Grit & Flow	✅	✅	✅	✅	✅	✅
Bike lap and lap maximum power (with power sensors)	✅	✅	✅	✅	✅	✅
Race an activity	✅	✅	✅	✅	✅	✅
Time/distance alerts (trigger alarm when you reach goal)	✅	✅	✅	✅	✅	✅
FTP (Functional Threshold Power)	✅	✅	✅	✅	✅ (with compatible accessory)	✅ (with compatible accessory)
Garmin Cycle Map (routable cycling-specific street map)	❌	❌	❌	✅	✅	✅
Compatible with Vector and Rally (power meter)	✅	✅	✅	✅	✅	✅
Power meter compatible	✅	✅	✅	✅	✅	✅
Advanced Vector support	❌	❌	❌	✅	✅	❌
Compatible with Varia vision	❌	❌	❌	✅	✅	✅
Compatible with Varia radar	✅	✅	✅	✅	✅	✅
Compatible with Varia Lights	✅	✅	✅	✅	✅	✅
Speed and cadence sensor support	✅	✅	✅	✅	✅ (ANT+® and Bluetooth® Smart sensors)	✅
Swimming Features
Available swim profiles	Pool Swimming, Open Water Swimming	Pool Swimming, Open Water Swimming, Swimming/Running	Pool Swimming, Open Water Swimming, Swimming/Running	Pool Swimming, Open Water Swimming, Swimming/Running	Pool Swimming, Open Water Swimming, Swimming/Running	Pool Swimming, Open Water Swimming, Swimming/Running
Open-water swim metrics(distance, pace, stroke, count/rate, stroke distance, swim efficiency, calories)	✅	✅	✅	✅	✅	✅
Pool swim metrics(stroke, type detection, SWOLF, drill Logging, Open water workouts)	✅	✅	✅	✅	✅	✅
Stroke Type Detection (freestyle, backstroke, breaststroke, butterfly) (POOL SWIM ONLY)	✅	✅	✅	✅	✅	✅
Drill Logging(POOL SWIM ONLY)	✅	✅	✅	✅	✅	✅
Basic rest timer (up from 0)(POOL SWIM ONLY)	✅	✅	✅	✅	✅	✅
“Repeat On” rest timer(POOL SWIM ONLY)	✅	✅	✅	✅	✅	✅
Auto rest (POOL SWIM ONLY)	✅	✅	✅	✅	✅	✅
Time & distance alerts	✅	✅	✅	✅	✅	✅
Pacing Alerts (POOL SWIM ONLY)	❌	❌	❌	✅	✅	✅
Countdown start (POOL SWIM ONLY)	✅	✅	✅	✅	✅	✅
Pool swim workouts	✅	✅	✅	✅	✅	✅
Critical swim speed	❌	❌	❌	✅	✅	✅
Underwater wrist-based heart rate	✅	✅	✅	✅	✅	✅
Heart Rate from external HRM	✅	✅	✅	✅	✅ (with HRM-Tri™ and HRM-Swim™)	✅ (with HRM-Tri™, HRM-Swim™ and HRM-Pro™)
Boating Features
Available boating profiles	❌	Boating	Boating	Boating	Boating	Boating, Sailing, Sail Racing
Anchor alarm	❌	❌	❌	❌	❌	✅
Autopilot Control	❌	❌	❌	❌	❌	✅
Boat data streaming	❌	❌	❌	❌	❌	✅
Virtual starting line	❌	❌	❌	❌	❌	✅
Countdown timer	❌	❌	❌	❌	❌	✅
Track assist mode	❌	❌	❌	❌	❌	✅
Built-in barometer and tide tables	❌	✅	✅	✅	✅	✅ (downloadable tides)
Diving Features
Dive activity maximum operating depth	❌	100 meters	100 meters	100 meters	100 meters	❌
Single-gas mode	❌	✅	✅	✅	✅	❌
Multi-gas mode	❌	✅	✅	✅	✅	❌
Gauge mode	❌	✅	✅	✅	✅	❌
APNEA mode	❌	✅	✅	✅	✅	❌
APNEA hunt mode	❌	✅	✅	✅	✅	❌
Decompression model	❌	Bühlmann ZHL-16c with gradient factors	Bühlmann ZHL-16c with gradient factors	Bühlmann ZHL-16c with gradient factors	Bühlmann ZHL-16c with gradient factors	❌
Nitrox support	❌	✅	✅	✅	✅	❌
Trimix support	❌	✅	✅	✅	✅	❌
Closed circuit rebreather	❌	✅	✅	✅	✅	❌
Gas mixes	❌	Air, Nitrox and Trimix up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses.	Air, Nitrox and Trimix up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses.	Air, Nitrox and Trimix, up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses.	Air, Nitrox and Trimix, up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses.	❌
PO2	❌	Up to 2.0 with customizable deco PO2 setting	Up to 2.0 with customizable deco PO2 setting	Up to 2.0 with customizable deco PO2 setting	Up to 2.0 with customizable deco PO2 setting	❌
Subwave support	❌	❌	❌	❌	in Mk2i	❌
Air integration	❌	❌	❌	❌	via Subwave in in Mk2i	❌
Number of Transmitters supported	❌	❌	❌	❌	5 in Mk2i	❌
Gas time remaining	❌	❌	❌	❌	in Mk2i	❌
Gas consummation rate	❌	❌	❌	❌	in Mk2i	❌
Auto start/end dive	❌	✅	✅	✅	✅	❌
Custom end-dive timeout	❌	✅ (20s to 10 m)	✅ (20s to 10 m)	✅ (20s to 10 m)	✅ (20s to 10 m)	❌
Safety stop	❌	✅ (customizable off/3min/5min)	✅ (customizable off/3min/5min)	✅ (customizable off/3min/5min)	✅ (customizable off/3min/5min)	❌
Deep stops	❌	✅ (using custom gradient factors)	✅ (using custom gradient factors)	✅ (using custom gradient factors)	✅ (using custom gradient factors)	❌
Customizable conservatism	❌	✅ (low/medium/high or custom using gradient factors)	✅ (low/medium/high or custom using gradient factors)	✅ (low/medium/high or custom using gradient factors)	✅ (low/medium/high or custom using gradient factors)	❌
Dive ascent/decent rate indicator	❌	✅	✅	✅	✅	❌
Automatic altitude adjustment	❌	✅	✅	✅	✅	❌
No fly time	❌	✅	✅	✅	✅ (with 24hr countdown)	❌
Dive Planner	❌	✅ (basic NDL + multi-gas deco planner)	✅ (basic NDL + multi-gas deco planner)	✅ (basic NDL + multi-gas deco planner)	✅ (basic NDL + multi-gas deco planner)	❌
Tides	❌	✅	✅	✅	✅	❌
Backlight	❌	✅ (configurable time and intensity; auto-on at depth)	✅ (configurable time and intensity; auto-on at depth)	✅ (configurable time and intensity; auto-on at depth)	✅ (configurable time and intensity; auto-on at depth)	❌
Automatically saves dive entry & exit locations	❌	✅	✅	✅	✅	❌
Custom dive data screens	❌	✅	✅	✅	✅	❌
Sync dive log to Garmin dive mobile app	❌	✅	✅	✅	✅	❌
Alerts & alarms	❌	Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching. Customizable (up to 40) audible and/or vibration per dive mode, based on depth or time	Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching. Customizable (up to 40) audible and/or vibration per dive mode, based on depth or time	Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching. Customizable (up to 40) audible and/or vibration per dive mode, based on depth or time	Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching, (tank pressure, gas consumption rate – in Mk2i). Customizable (up to 40) audible and/or vibration per dive mode, based on depth or time	❌
3-axis dive compass	❌	✅ (with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading	✅(with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading	✅(with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading	✅ (with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading	❌
Missed deco lockout	❌	✅  (can be disabled prior to dive with user acknowledgement)	✅  (can be disabled prior to dive with user acknowledgement)	✅  (can be disabled prior to dive with user acknowledgement)	✅ (can be disabled prior to dive with user acknowledgement)	❌
Residual tissue loading reset	❌	✅ (on the surface with user acknowledgement)	✅ (on the surface with user acknowledgement)	✅ (on the surface with user acknowledgement)	✅ (on the surface with user acknowledgement)	❌
Surface diver status widget	❌	✅ (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)	✅ (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)	✅ (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)	✅ (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)	❌