Garmin Instinct 2X Solar Tactical Edition vs Instinct E 45mm
Size, specs & wrist fit compared
Which one fits you
Under 18 cm (7.1 in) round, the Instinct 2X Solar Tactical Edition's lugs overhang and the Instinct E 45mm's do not; the Instinct E 45mm fills the wrist at 17–19 cm, the Instinct 2X Solar Tactical Edition at 19–21 cm.
What else differs
- Battery: 40 days for the Instinct 2X Solar Tactical Edition against 16 days for the Instinct E 45mm in everyday use; 2.5 days for the Instinct 2X Solar Tactical Edition against 24 hours for the Instinct E 45mm with GPS on.
The Instinct 2X Solar Tactical Edition is 5mm wider, 0.5mm thicker and 19g heavier than the Instinct E 45mm.
Instinct 2X Solar Tactical Edition
Instinct E 45mm
Instinct 2X Solar Tactical Edition or Instinct E 45mm by wrist size
| Wrist round (mm left each side) | Instinct 2X Solar Tactical Edition≈57.5mm lug to lug, est. | Instinct E 45mm≈51.5mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (6.2mm over) | Overhangs (3.2mm over) |
| 15 cm / 5.9 in | Overhangs (4.6mm over) | Overhangs (1.6mm over) |
| 16 cm / 6.3 in | Overhangs (2.9mm over) | Bold (0.1mm) |
| 17 cm / 6.7 in | Overhangs (1.3mm over) | Sweet spot (1.7mm) |
| 18 cm / 7.1 in | Bold (0.3mm) | Sweet spot (3.3mm) |
| 19 cm / 7.5 in | Sweet spot (1.9mm) | Balanced (4.9mm) |
| 20 cm / 7.9 in | Sweet spot (3.5mm) | Balanced (6.5mm) |
Switch or add watches
Garmin
Instinct 2X Solar Tactical Edition
Garmin
Instinct E 45mm
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Battery life compared
Furthest apart in Expedition mode, where the 2X Solar Tactical Edition lasts 3.0× as long as the E 45mm (60 days against 20 days).
2X Solar Tactical EditionE 45mm
Battery saver
100 days40 daysExpedition
60 days20 daysSmartwatch
40 days16 daysMax battery GPS
150 hours50 hoursBattery life
145 hours—Battery life (65 hours)
65 hours—GPS only
60 hours24 hoursAll systems
40 hours16 hoursBattery life (36 hours)
36 hours—All systems + multi-band
27 hours—
More comparisons
2D Dimension Schematics
- Garmin Instinct 2X Solar Tactical Edition 50mm × ≈57.5mm (est.) · 14.7mm thick
- Garmin Instinct E 45mm 45mm × ≈51.5mm (est.) · 14.2mm thick
3D preview
Instinct 2X Solar Tactical Edition vs Instinct E 45mm on a wrist
Specifications
The short version
7 key specs| Spec | GarminInstinct 2X Solar Tactical Edition | GarminInstinct E 45mm |
|---|---|---|
| Case Width | 50mm | 45mm |
| Thickness | 14.7mm | 14.2mm |
| Weight | 67g | 48g |
| Shape | Circular | Circular |
| Display type | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) |
| Battery life | Smartwatch: 40 days; unlimited with solar* GPS: 60 hours; 145 hours with solar** All Satellite Systems: 40 hours; 65 hours with solar* All Satellite Systems + Multi-Band: 27 hours; 36 hours with solar** Max Battery GPS Mode: 150 hours; unlimited with solar** Expedition GPS Activity: 60 days; unlimited with solar* Battery Saver Watch Mode: 100 days; unlimited with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions | Smartwatch: Up to 16 days Battery Saver Watch Mode: Up to 40 days GPS: Up to 24 hours All Satellite Systems:16 hours Max Battery GPS Mode: Up to 50 hours Expedition GPS Activity: Up to 20 days |
| Released | 2023 | 2025 |
Where the specifications differ
28 differences| Spec | Garmin Instinct 2X Solar Tactical Edition | Garmin Instinct E 45mm |
|---|---|---|
| General | ||
| Battery life | Smartwatch: 40 days; unlimited with solar* GPS: 60 hours; 145 hours with solar** All Satellite Systems: 40 hours; 65 hours with solar* All Satellite Systems + Multi-Band: 27 hours; 36 hours with solar** Max Battery GPS Mode: 150 hours; unlimited with solar** Expedition GPS Activity: 60 days; unlimited with solar* Battery Saver Watch Mode: 100 days; unlimited with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions | Smartwatch: Up to 16 days Battery Saver Watch Mode: Up to 40 days GPS: Up to 24 hours All Satellite Systems:16 hours Max Battery GPS Mode: Up to 50 hours Expedition GPS Activity: Up to 20 days |
| Display Size | custom, two-window design; 1.1” x 1.1” (27 x 27 mm) | custom, two-window design; 0.9” x 0.9” (23 x 23 mm) |
| Lens Material | Power Glass™ | Chemically Strengthened Glass |
| Memory/History | 64 MB | 128 MB |
| QuickFit® watch band compatible | yes (26 mm) | yes (22 mm) |
| Product Info | ||
| Main SKU | 010-02805-12 | 010-02933-00 |
| Product ID | 884414 | 1315817 |
| Product Name | Instinct® 2X Solar - Tactical Edition | Instinct® E – 45 mm |
| Release Date | 4/12/2023 | 1/6/2025 |
| Product Variation | Tactical Edition, Coyote Tan | Black with Charcoal Band |
| Running Features | ||
| Running dynamics | yes (with compatible accessory) | Yes |
| Stride length (real time) | yes (with compatible accessory) | Yes |
| Vertical oscillation and ratio | yes (with compatible accessory) | Yes |
| Ground contact time and balance | yes (with compatible accessory) | yes (but not balance) |
| What You'll Love | ||
| Battery life (smartwatch mode) | 40 daysUnlimited with solar | Up to 16 days |
| Activity Profiles | ||
| Cycling | Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking | Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX |
| On the Water | Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Whitewater | Stand Up Paddleboarding, Rowing, Kayaking, Fishing, Boating, Whitewater |
| Racket sports | Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel | Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball |
| Snow & winter | Skiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, Backcountry Skiing, Ice Skating, Snowshoeing | Skiing, Snowboarding, XC Classic Skiing, XC Skate Skiing, Ice Skating, Snowshoeing |
| Indoor running | Treadmill Running, Indoor Track Running | Treadmill Running, Indoor Track Running, Virtual Running |
| Outdoor recreation | Hiking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Archery | Hiking, Climbing, Hunting, Horseback Riding, Archery |
| Other activity profiles | Jumpmaster, Tactical | Tactical |
| Health & Wellness Monitoring | ||
| Sleep | Yes | yes (advanced) |
| Hydration | yes (in Garmin Connect™) | yes (in Garmin Connect™ and optional Connect IQ™ widget) |
| Fitness age | yes (in app) | Yes |
| Women's health | yes (in Garmin Connect™) | yes (in Garmin Connect™ and optional Connect IQ™ widget) |
| Training, Planning and Analysis Features | ||
| Respiration rate (during exercise) | Yes | Yoga and Breathwork only |
| HR broadcast (broadcasts HR data over ANT+® to paired devices) | yes (using ANT+) | Yes |
The other 161 specifications both list are identical.
Full Garmin Instinct 2X Solar Tactical Edition specifications →Full Garmin Instinct E 45mm specifications →

