Choosing between the Garmin Venu 3 and Garmin Venu 3s is a common dilemma for health- and performance-focused users who want a stylish smartwatch with advanced metrics. Both models share the same daily performance suite, but differ in size, weight, battery, and build style, which helps decide which smartwatch gre is better for your specific needs.
If you prefer a slimmer wrist presence and slightly longer battery, the Venu 3s often feels like the smarter buy, while the Venu 3 suits users who want a larger display and cushioning on the case. The following sections compare design, training features, health tools, and value so you can pick the right Garmin smartwatch.
Design and comfort differences
Case size and weight comparison
The physical feel on the wrist is the first noticeable gap between the two models, shaping comfort during all-day wear and workouts.
| Specification | Garmin Venu 3 45 mm | Garmin Venu 3s 40 mm |
|---|---|---|
| Display size | 45 mm (larger screen area) | 40 mm (more compact) |
| Weight | Approx. 62 g with silicone band | Approx. 49 g with silicone band |
| Case thickness | Slightly thicker profile | Thinner profile for low profile wear |
| Band type | Quick-release silicone, optional premium bands | Quick-release silicone, optional premium bands |
The smaller Venu 3s reduces wrist bulk and can feel more agile during runs or gym sessions, while the 45 mm Venu 3 offers a bolder presence and more screen for map details.
Performance and battery life comparison
Workout tracking and GPS accuracy
Both smartwatches deliver precise GPS, top-tier workout metrics, and recovery insights, but battery expectations shift based on screen size and features.
- Multi-band GNSS ensures consistent tracking on trails, roads, and urban canyons.
- Elevate Gen 4 wrist-based Pulse Ox for daytime SpO2 monitoring and sleep insights.
- Body Battery energy monitoring to plan training and recovery around readiness.
- Advanced running dynamics and stroke insights for swimmers, runners, and cyclists.
- Battery life up to 14 days in smartwatch mode on Venu 3s versus up to 11 days on Venu 3.
Health and sleep features
Daily wellness and recovery metrics
Health tools are a core strength of both models, helping you understand stress, sleep quality, and long-term trends.
| Health feature | Garmin Venu 3 | Garmin Venu 3s | What it means |
|---|---|---|---|
| Body Battery | Yes | Yes | Energy levels based on heart rate variability and stress |
| HRV status | Yes | Yes | Readiness and recovery insights |
| Pulse Ox | Yes (wrist-based) | Yes (wrist-based) | SpO2 tracking during sleep and daytime |
| Sleep Score | Yes | Yes | Quality, duration, and recovery impacts |
| Stress tracking | Yes | Yes | Body Battery stress indicators |
Expect the same advanced health suite on both watches, including ECG app for spot checks and pulse wave profiles when used with compatible phones.
Smart features, apps, and daily usability
Connectivity, music, and notifications
Everyday smart features work equally well on the Venu 3 and Venu 3s, making either watch suitable as a connected companion.
- Color touchscreen with responsive interface and customizable widgets.
- On-device playlists with Garmin music support for offline tunes.
- Smart notifications for calls, texts, apps, and calendar events.
- Built-in music controls, Garmin Pay contactless payments, and Tile integration.
- Around 20 preloaded sports modes with detailed metrics in the Garmin Connect app.
The slightly smaller RAM and storage on the 3s may limit the number of apps and cached music compared with the 45 mm model, but most users will notice little difference.
Which smartwatch gre fits your lifestyle best
- Pick the 45 mm Garmin Venu 3 for a bold display, detailed maps, and ample screen space during workouts.
- Choose the 40 mm Garmin Venu 3s for a lighter feel, slimmer profile, and extended battery in smartwatch mode.
- Both deliver the same advanced health suite, precise GPS, and smart connectivity for daily use.
- Match the size to your wrist and preferences, because the best smartwatch is the one you will wear every day.
- Use the side-by-side specs to prioritize battery, readability, or a compact design depending on your training and lifestyle needs.
FAQ
Reader questions
Which model is better for running and daily step tracking?
Both watches provide excellent running metrics and step tracking; choose the 45 mm Venu 3 if you want a larger display for maps, otherwise the Venu 3s is lighter and more comfortable for all-day wear.
How does battery life differ between Garmin Venu 3 and Venu 3s in smartwatch mode?
You can expect up to 11 days on the Venu 3 and up to 14 days on the Venu 3s when using smartwatch features like notifications and occasional SpO2 checks.
Is SpO2 monitoring available on both versions, and how accurate is it?
Yes, both include wrist-based Pulse Ox sensors for daytime and overnight SpO2 monitoring, delivering reliable spot checks that are consistent with other reputable wearables.
Can I use Garmin Pay and third-party apps on the smaller Venu 3s?
Absolutely, the Venu 3s supports Garmin Pay, contactless payments, and a range of apps from the Connect IQ store, though the slightly smaller memory may limit the number of cached music files.