Garmin Fenix 7 Pro Solar Edition vs Instinct E 40mm
Size, specs & wrist fit compared
Which one fits you
Under 16.5 cm (6.5 in) round, the Fenix 7 Pro Solar Edition's lugs overhang and the Instinct E 40mm's do not; the Instinct E 40mm fills the wrist at 15–17 cm, the Fenix 7 Pro Solar Edition at 17.5–19.5 cm.
What else differs
- Battery: 18 days for the Fenix 7 Pro Solar Edition against 14 days for the Instinct E 40mm in everyday use; 2.4 days for the Fenix 7 Pro Solar Edition against 21 hours for the Instinct E 40mm with GPS on.
Among the 40 smartwatches 40mm across that we hold thickness for, the Instinct E 40mm is thicker than 98%, so it sits higher on the wrist than most of its size.
The Fenix 7 Pro Solar Edition is 7mm wider, 0.9mm thicker and 38g heavier than the Instinct E 40mm.
Fenix 7 Pro Solar Edition
Instinct E 40mm
Case width
47mm
40mm−7mm
Thickness
14.5mm
13.6mm−0.9mm
Weight
79g
41g−38g
Fenix 7 Pro Solar Edition or Instinct E 40mm by wrist size
| Wrist round (mm left each side) | Fenix 7 Pro Solar Edition≈54mm lug to lug, est. | Instinct E 40mm≈46mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (4.4mm over) | Overhangs (0.4mm over) |
| 15 cm / 5.9 in | Overhangs (2.8mm over) | Bold (1.2mm) |
| 16 cm / 6.3 in | Overhangs (1.2mm over) | Sweet spot (2.8mm) |
| 17 cm / 6.7 in | Bold (0.4mm) | Balanced (4.4mm) |
| 18 cm / 7.1 in | Sweet spot (2mm) | Balanced (6mm) |
| 19 cm / 7.5 in | Sweet spot (3.6mm) | Balanced (7.6mm) |
| 20 cm / 7.9 in | Balanced (5.3mm) | Balanced (9.3mm) |
Switch or add watches
Garmin
Fenix 7 Pro Solar Edition
Garmin
Instinct E 40mm
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Battery life compared
Furthest apart in Max battery GPS mode, where the Fenix 7 Pro Solar Edition lasts 3.2× as long as the Instinct E 40mm (5.7 days against 43 hours).
Fenix 7 Pro Solar EditionInstinct E 40mm
Battery saver
57 days +173 days35 daysExpedition
40 days +74 days17 daysSmartwatch
18 days +22 days14 daysMax battery GPS
136 hours +289 hours43 hoursGPS only
57 hours +73 hours21 hoursAll systems
40 hours +48 hours14 hoursAll systems + multi-band
23 hours +26 hours—All systems with music
10 hours—
Amber figures are the solar-assisted runtime the manufacturer publishes for that mode.
More comparisons
2D Dimension Schematics
- Garmin Fenix 7 Pro Solar Edition 47mm × ≈54mm (est.) · 14.5mm thick
- Garmin Instinct E 40mm 40mm × ≈46mm (est.) · 13.6mm thick
3D preview
Fenix 7 Pro Solar Edition vs Instinct E 40mm on a wrist
Specifications
The short version
7 key specs| Spec | GarminFenix 7 Pro Solar Edition | GarminInstinct E 40mm |
|---|---|---|
| Case Width | 47mm | 40mm |
| Thickness | 14.5mm | 13.6mm |
| Weight | 79g | 41g |
| Shape | Circular | Circular |
| Display type | Sunlight-visible, transflective memory-in-pixel (MIP) | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) |
| Battery life | Smartwatch: Up to 18 days/22 days with solar* Battery Saver Watch Mode: Up to 57 days/173 days with solar* GPS Only: Up to 57 hours/73 hours with solar** All Satellite Systems: Up to 40 hours/48 hours with solar* All Satellite Systems + Multi-band: Up to 23 hours/26 hours with solar** All Satellite Systems + Music: Up to 10 hours Max Battery GPS: Up to 136 hours/289 hours with solar** Expedition GPS: Up to 40 days/74 days 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 14 days Battery Saver Watch Mode: Up to 35 days GPS: Up to 21 hours All Satellite Systems: 14 hours Max Battery GPS Mode: Up to 43 hours Expedition GPS Activity: Up to 17 days |
| Released | 2023 | 2025 |
Where the specifications differ
27 differences| Spec | Garmin Fenix 7 Pro Solar Edition | Garmin Instinct E 40mm |
|---|---|---|
| General | ||
| Battery life | Smartwatch: Up to 18 days/22 days with solar* Battery Saver Watch Mode: Up to 57 days/173 days with solar* GPS Only: Up to 57 hours/73 hours with solar** All Satellite Systems: Up to 40 hours/48 hours with solar* All Satellite Systems + Multi-band: Up to 23 hours/26 hours with solar** All Satellite Systems + Music: Up to 10 hours Max Battery GPS: Up to 136 hours/289 hours with solar** Expedition GPS: Up to 40 days/74 days 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 14 days Battery Saver Watch Mode: Up to 35 days GPS: Up to 21 hours All Satellite Systems: 14 hours Max Battery GPS Mode: Up to 43 hours Expedition GPS Activity: Up to 17 days |
| Display Size | 1.3” (33.02 mm) diameter | custom, two-window design; 0.86” x 0.86” (22 x 22 mm) |
| Case material | fiber-reinforced polymer with steel rear cover | fiber-reinforced polymer |
| Lens Material | Power Glass™ | Chemically Strengthened Glass |
| Bezel Material | stainless steel | fiber-reinforced polymer |
| Memory/History | 32 GB | 128 MB |
| Display resolution | 260 x 260 pixels | 166 x 166 pixels (active area) |
| Product Info | ||
| Main SKU | 010-02777-00 | 010-02932-00 |
| Product ID | 865822 | 1314137 |
| Product Name | fēnix® 7 Pro – Solar Edition | Instinct® E – 40 mm |
| Release Date | 6/1/2023 | 1/6/2025 |
| Product Variation | Slate Gray with Black Band | Black with Charcoal Band |
| Running Features | ||
| Ground contact time and balance | yes (GCT balance with accessory) | yes (but not balance) |
| What You'll Love | ||
| Display type | Sunlight-visible, transflective memory-in-pixel (MIP) | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) |
| Battery life (smartwatch mode) | Up to 18 days22 days with solar | Up to 14 days |
| Activity Profiles | ||
| Gym | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Jump Roping | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing |
| Wellness | Walking, Pilates, Yoga, Indoor Walking | Walking, Pilates, Yoga |
| On the Water | Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Sailing, Sail Racing, Water Skiing, Wakeboarding, Wakesurfing, Tubing, Snorkeling, Sailing Expedition, Whitewater | Stand Up Paddleboarding, Rowing, Kayaking, Fishing, Boating, Whitewater |
| Snow & winter | Skiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, XC Skate Skiing, Backcountry Skiing, Ice Skating, Snowshoeing | Skiing, Snowboarding, XC Classic Skiing, XC Skate Skiing, Ice Skating, Snowshoeing |
| Outdoor running | Running, Outdoor Track Running, Trail Running, Ultra Running, Obstacle Racing | Running, Outdoor Track Running, Trail Running |
| Outdoor recreation | Hiking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golfing, Disc Golf, Archery | Hiking, Climbing, Hunting, Horseback Riding, Archery |
| Other activity profiles | Jumpmaster, Tactical, Inline Skating | Tactical |
| Outdoor Recreation | ||
| Tides | yes (via Connect IQ™) | Yes |
| Area calculation | yes (via Connect IQ™) | Yes |
| Daily Smart Features | ||
| Connectivity | Bluetooth®, ANT+®, Wi-Fi® | Bluetooth®, ANT+® |
| Health & Wellness Monitoring | ||
| Fitness age | yes (in app) | Yes |
| Training, Planning and Analysis Features | ||
| Respiration rate (during exercise) | yes (with compatible accessory) | Yoga and Breathwork only |
The other 148 specifications both list are identical.
Full Garmin Fenix 7 Pro Solar Edition specifications →Full Garmin Instinct E 40mm specifications →