Garmin Venu 3 vs Venu 4 45mm
Size, specs & wrist fit compared
Which one fits you
Both need much the same wrist: neither overhangs from 16 cm (6.3 in) round, and both are in their sweet spot around 17–19 cm. Wrist size will not decide between these two.
What else differs
- Battery: 14 days for the Venu 3 against 12 days for the Venu 4 45mm in everyday use; 26 hours for the Venu 3 against 20 hours for the Venu 4 45mm with GPS on.
The Venu 3 and Venu 4 45mm share a near-identical 45mm case, so on the wrist the difference is thickness and weight.
The Venu 3 is 0.5mm thinner than the Venu 4 45mm.
Venu 3
Venu 4 45mm
Venu 3 or Venu 4 45mm by wrist size
| Wrist round (mm left each side) | Venu 3≈51.5mm lug to lug, est. | Venu 4 45mm≈51.5mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (3.2mm over) | Overhangs (3.2mm over) |
| 15 cm / 5.9 in | Overhangs (1.6mm over) | Overhangs (1.6mm over) |
| 16 cm / 6.3 in | Bold (0.1mm) | Bold (0.1mm) |
| 17 cm / 6.7 in | Sweet spot (1.7mm) | Sweet spot (1.7mm) |
| 18 cm / 7.1 in | Sweet spot (3.3mm) | Sweet spot (3.3mm) |
| 19 cm / 7.5 in | Balanced (4.9mm) | Balanced (4.9mm) |
| 20 cm / 7.9 in | Balanced (6.5mm) | Balanced (6.5mm) |
Switch or add watches
Garmin
Venu 3
Garmin
Venu 4 45mm
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Battery life compared
Venu 3Venu 4 45mm
Battery saver
26 days25 daysSmartwatch
14 days12 daysGPS only
26 hours20 hoursAll systems
—19 hoursAll systems + multi-band
—17 hoursAll systems with music
—9 hoursAll systems + multi-band with music
—9 hours
More comparisons
2D Dimension Schematics
- Garmin Venu 3 45mm × ≈51.5mm (est.) · 12mm thick
- Garmin Venu 4 45mm 45mm × ≈51.5mm (est.) · 12.5mm thick
3D preview
Venu 3 vs Venu 4 45mm on a wrist
Specifications
The short version
6 key specs| Spec | GarminVenu 3 | GarminVenu 4 45mm |
|---|---|---|
| Case Width | 45mm | 45mm |
| Thickness | 12mm | 12.5mm |
| Shape | Circular | Circular |
| Display type | OLED/AMOLED | AMOLED (optional always-on mode) |
| Battery life | 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 | Smartwatch mode: Up to 12 days (4 days display always-on) Battery Saver Smartwatch mode: Up to 25 days GPS-Only GNSS mode: Up to 20 hours All-Systems GNSS mode: Up to 19 hours All-Systems GNSS mode with music: Up to 9 hours All-Systems GNSS mode + Multi-band: Up to 17 hours All-Systems GNSS mode + Multi-band with music: Up to 9 hours See Details |
| Released | 2023 | 2025 |
Where the specifications differ
6 differences| Spec | Garmin Venu 3 | Garmin Venu 4 45mm |
|---|---|---|
| General | ||
| Battery life | 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 | Smartwatch mode: Up to 12 days (4 days display always-on) Battery Saver Smartwatch mode: Up to 25 days GPS-Only GNSS mode: Up to 20 hours All-Systems GNSS mode: Up to 19 hours All-Systems GNSS mode with music: Up to 9 hours All-Systems GNSS mode + Multi-band: Up to 17 hours All-Systems GNSS mode + Multi-band with music: Up to 9 hours See Details |
| Display Size | 1.4" (35.4 mm) diameter | 1.4" (35.3 mm) diameter |
| Case material | fiber-reinforced polymer | stainless steel and fiber-reinforced polymer |
| What You'll Love | ||
| Pulse Ox blood oxygen | yes (spot-check, and optionally all-day and in sleep) | yes (spot-check, and optional all-day acclimation and in sleep) |
| Battery life (smartwatch mode) | Up to 14 days | Up to 12 days |
| Make calls and send texts via voice | Yes | yes (with paired compatible smartphone) |
The other 19 specifications both list are identical.
Full Garmin Venu 3 specifications →Full Garmin Venu 4 45mm specifications →