Garmin Approach S70 42mm vs Venu 4 45mm
Size, specs & wrist fit compared
Which one fits you
Under 16 cm (6.3 in) round, the Venu 4 45mm's lugs overhang and the Approach S70 42mm's do not; the Approach S70 42mm fills the wrist at 16–17.5 cm, the Venu 4 45mm at 17–19 cm.
What else differs
- Screen: the Venu 4 45mm has the larger screen, 1.4 in across against 1.2 in on the Approach S70 42mm.
- Battery: 12 days for the Venu 4 45mm against 10 days for the Approach S70 42mm in everyday use; 20 hours for the Venu 4 45mm against 15 hours for the Approach S70 42mm with GPS on.
The Venu 4 45mm is 3mm wider and 0.1mm thinner than the Approach S70 42mm.
Approach S70 42mm
Venu 4 45mm
Approach S70 42mm or Venu 4 45mm by wrist size
| Wrist round (mm left each side) | Approach S70 42mm≈48.5mm lug to lug, est. | Venu 4 45mm≈51.5mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (1.7mm over) | Overhangs (3.2mm over) |
| 15 cm / 5.9 in | Overhangs (0.1mm over) | Overhangs (1.6mm over) |
| 16 cm / 6.3 in | Sweet spot (1.6mm) | Bold (0.1mm) |
| 17 cm / 6.7 in | Sweet spot (3.2mm) | Sweet spot (1.7mm) |
| 18 cm / 7.1 in | Balanced (4.8mm) | Sweet spot (3.3mm) |
| 19 cm / 7.5 in | Balanced (6.4mm) | Balanced (4.9mm) |
| 20 cm / 7.9 in | Balanced (8mm) | Balanced (6.5mm) |
Switch or add watches
Garmin
Approach S70 42mm
Garmin
Venu 4 45mm
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Battery life compared
Approach S70 42mmVenu 4 45mm
Battery saver
—25 daysSmartwatch
10 days12 daysGPS only
15 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 Approach S70 42mm 42mm × ≈48.5mm (est.) · 12.6mm thick
- Garmin Venu 4 45mm 45mm × ≈51.5mm (est.) · 12.5mm thick
3D preview
Approach S70 42mm vs Venu 4 45mm on a wrist
Specifications
The short version
6 key specs| Spec | GarminApproach S70 42mm | GarminVenu 4 45mm |
|---|---|---|
| Case Width | 42mm | 45mm |
| Thickness | 12.6mm | 12.5mm |
| Shape | Circular | Circular |
| Display type | AMOLED (optional always-on mode) | AMOLED (optional always-on mode) |
| Battery life | Smartwatch mode: Up to 10 days GPS Mode Up to 15 hours (using default display settings: gesture wake-up in Smartwatch mode and always-on while golfing) | 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
8 differences| Spec | Garmin Approach S70 42mm | Garmin Venu 4 45mm |
|---|---|---|
| General | ||
| Battery life | Smartwatch mode: Up to 10 days GPS Mode Up to 15 hours (using default display settings: gesture wake-up in Smartwatch mode and always-on while golfing) | 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 | 1.2" (32.02 mm) diameter | 1.4" (35.3 mm) diameter |
| Memory/History | 16 GB | 8 GB |
| Display resolution | 390 x 390 pixels | 454 x 454 pixels |
| What You'll Love | ||
| Water rating | 5 ATM | Swim, 5 ATM |
| Training status | Yes | yes (improved) |
| Pulse Ox blood oxygen | yes (spot-check and optionally in sleep) | yes (spot-check, and optional all-day acclimation and in sleep) |
| Battery life (smartwatch mode) | Up to 10 days | Up to 12 days |
The other 9 specifications both list are identical.
Full Garmin Approach S70 42mm specifications →Full Garmin Venu 4 45mm specifications →

