Garmin Descent G2 vs Venu 3
Size, specs & wrist fit compared
Which one fits you
Under 16.5 cm (6.5 in) round, the Descent G2's lugs overhang and the Venu 3's do not; the Venu 3 fills the wrist at 17–19 cm, the Descent G2 at 17–19 cm.
What else differs
- Screen: the Venu 3 has the larger screen, 1.4 in across against 1.2 in on the Descent G2.
- Battery: 14 days for the Venu 3 against 10 days for the Descent G2 in everyday use; 26 hours for the Venu 3 against 20 hours for the Descent G2 with GPS on.
- Only the Descent G2 has a sapphire lens.
3.2mm thinner, the Venu 3 is the one that slides under a shirt cuff.
The Descent G2 is 0.5mm wider and 3.2mm thicker than the Venu 3.
Descent G2
Venu 3
Case width
45.5mm
45mm−0.5mm
Thickness
15.2mm
12mm−3.2mm
Descent G2 or Venu 3 by wrist size
| Wrist round (mm left each side) | Descent G2≈52.5mm lug to lug, est. | Venu 3≈51.5mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (3.7mm over) | Overhangs (3.2mm over) |
| 15 cm / 5.9 in | Overhangs (2.1mm over) | Overhangs (1.6mm over) |
| 16 cm / 6.3 in | Overhangs (0.4mm over) | Bold (0.1mm) |
| 17 cm / 6.7 in | Bold (1.2mm) | Sweet spot (1.7mm) |
| 18 cm / 7.1 in | Sweet spot (2.8mm) | Sweet spot (3.3mm) |
| 19 cm / 7.5 in | Sweet spot (4.4mm) | Balanced (4.9mm) |
| 20 cm / 7.9 in | Balanced (6mm) | Balanced (6.5mm) |
Switch or add watches
Garmin
Descent G2
Garmin
Venu 3
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Battery life compared
Furthest apart in Battery saver mode, where the Venu 3 lasts 2.2× as long as the Descent G2 (26 days against 12 days).
Descent G2Venu 3
Battery saver
12 days26 daysSmartwatch
10 days14 daysExpedition
10 days—Max battery GPS
44 hours—Dive
27 hours—GPS only
20 hours26 hoursAll systems
15 hours—
More comparisons
2D Dimension Schematics
- Garmin Descent G2 45.5mm × ≈52.5mm (est.) · 15.2mm thick
- Garmin Venu 3 45mm × ≈51.5mm (est.) · 12mm thick
3D preview
Descent G2 vs Venu 3 on a wrist
Specifications
The short version
6 key specs| Spec | GarminDescent G2 | GarminVenu 3 |
|---|---|---|
| Case Width | 45.5mm | 45mm |
| Thickness | 15.2mm | 12mm |
| Shape | Circular | Circular |
| Display type | AMOLED | OLED/AMOLED |
| Battery life | Dive Mode: Up to 27 hours Smartwatch: Up to 10 days (4 days always-on) Battery Saver Watch Mode: Up to 12 days GPS Only: Up to 20 hours All Satellite Systems: Up to 15 hours Max Battery GPS: Up to 44 hours Expedition GPS: Up to 10 days | Smartwatch mode: Up to 14 days (5 days display always-on) Battery Saver Smartwatch mode: Up to 26 days GPS-Only GNSS mode: Up to 26 hours All-Systems GNSS mode: Up to 20 hours All-Systems GNSS mode with music: Up to 11 hours See Details |
| Released | 2025 | 2023 |
Where the specifications differ
36 differences| Spec | Garmin Descent G2 | Garmin Venu 3 |
|---|---|---|
| General | ||
| Battery life | Dive Mode: Up to 27 hours Smartwatch: Up to 10 days (4 days always-on) Battery Saver Watch Mode: Up to 12 days GPS Only: Up to 20 hours All Satellite Systems: Up to 15 hours Max Battery GPS: Up to 44 hours Expedition GPS: Up to 10 days | Smartwatch mode: Up to 14 days (5 days display always-on) Battery Saver Smartwatch mode: Up to 26 days GPS-Only GNSS mode: Up to 26 hours All-Systems GNSS mode: Up to 20 hours All-Systems GNSS mode with music: Up to 11 hours See Details |
| Display Size | 1.2" (30.4 mm) diameter | 1.4" (35.4 mm) diameter |
| Case material | fiber-reinforced ocean-bound plastic | fiber-reinforced polymer |
| Lens Material | sapphire crystal | Corning® Gorilla® Glass 3 |
| Bezel Material | fiber-reinforced ocean-bound plastic | stainless steel |
| Memory/History | 4 GB | 8 GB |
| Charging method | Garmin proprietary clip charger | Garmin proprietary plug charger |
| Display resolution | 390 x 390 pixels | 454 x 454 pixels |
| Sensors | ||
| Thermometer | Yes | yes (tempe™ sensor required) |
| Product Info | ||
| Main SKU | 010-02986-00 | 010-02784-01 |
| Product ID | 1558977 | 873008 |
| Product Name | Descent™ G2 | Venu® 3 |
| Product Variation | Black with Black Band | Slate Stainless Steel Bezel with Black Case and Silicone Band |
| Cycling Features | ||
| Speed and cadence sensor support (w/sensor) | Yes | yes (using ANT+ or BLE) |
| Golfing Features | ||
| Measures shot distance (calculates exact yardage for shots from anywhere on course) | manual | automatic |
| What You'll Love | ||
| Display type | AMOLED | AMOLED (optional always-on mode) |
| Water rating | Dive (100 meters) | Swim, 5 ATM |
| Pulse Ox blood oxygen | yes (spot-check, during sleep, all day) | yes (spot-check, and optionally all-day and in sleep) |
| Battery life (smartwatch mode) | up to 10 days (4 days always-on) | Up to 14 days |
| Activity Profiles | ||
| Gym | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Jump Roping |
| Cycling | Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX | Biking, Indoor Biking, eBiking, Handcycling, Indoor Handcycling |
| Wellness | Walking, Pilates, Yoga , Indoor Walking | Walking, Pilates, Yoga, Indoor Walking |
| On the Water | Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Water Skiing, Wakeboarding, Wakesurfing, Tubing, Snorkeling, Whitewater | Stand Up Paddleboarding, Rowing |
| Snow & winter | Skiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, Backcountry Skiing, Ice Skating, Snowshoeing | Skiing, Snowboarding, XC Classic Skiing, Snowshoeing |
| Indoor running | Treadmill Running, Indoor Track Running, Virtual Running | Treadmill Running, Indoor Track Running |
| Outdoor running | Running, Outdoor Track Running, Trail Running, Obstacle Racing | Running |
| Outdoor recreation | Hiking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golfing, Disc Golf, Archery | Hiking, Indoor Climbing, Bouldering, Disc Golf |
| Outdoor Recreation | ||
| Fish forecast | Yes | yes (via Connect IQ™) |
| Sun and moon information | Yes | yes (via Connect IQ™) |
| Daily Smart Features | ||
| Connectivity | Bluetooth® Smart, ANT+® | Bluetooth®, ANT+®, Wi-Fi® |
| Activity Tracking Features | ||
| Garmin Connect™ Challenges app | yes (optional Connect IQ app) | Yes |
| Health & Wellness Monitoring | ||
| Sleep | Yes | yes (advanced) |
| Hydration | yes (in Garmin Connect™) | Yes |
| Women's health | yes (in Garmin Connect™) | Yes |
| Training, Planning and Analysis Features | ||
| Respiration rate (during exercise) | yes (with compatible accessory) | yoga, breathwork, meditation and archery only |
| HR broadcast (broadcasts HR data over ANT+® to paired devices) | Yes | yes (using ANT+ or BLE) |
The other 139 specifications both list are identical.
Full Garmin Descent G2 specifications →Full Garmin Venu 3 specifications →