Difference Between Garmin Venu 3 and 3S: Which One Is Right for You?

So there you are  scrolling through Garmin’s website at midnight, coffee going cold, trying to figure out what’s actually different between the Venu 3 and the Venu 3S. They look nearly identical. Same price range and  feature list. Same sleek AMOLED display. And yet, you know something’s different  otherwise why would Garmin even make two versions?

Here’s the short answer: the difference between Garmin Venu 3 and 3S comes down mostly to size, weight, and battery life  not features. But that short answer doesn’t tell the whole story. The right choice between these two watches depends heavily on your wrist size, your lifestyle, and how you actually plan to use the device. This guide breaks it all down for you clearly, thoroughly, and without the fluff.

What Are the Garmin Venu 3 and Venu 3S?

A Quick Overview of the Garmin Venu Series

Garmin isn’t exactly a newcomer. The company has been building GPS and wearable technology for decades, and the Venu series sits in a very specific sweet spot  it’s where Garmin’s serious fitness tracking capability meets everyday smartwatch style. Think of the Venu line as the dressed-up cousin of the more rugged Forerunner series. Less “trail running beast,” more “boardroom-to-gym versatile.”

The Venu 3 and Venu 3S are the third generation of this lineup, and they brought some genuinely exciting upgrades  including voice assistant support, wheelchair mode (a Garmin first), and nap detection in sleep tracking. Both models launched in 2023 at the same time, targeting the same audience but catering to different wrist sizes and preferences.

First Impressions — How Similar Do They Actually Look?

Honestly? At first glance, you might not notice any difference at all. Both the Venu 3 and Venu 3S share the same circular design language, the same stunning AMOLED touchscreen, and an identical software experience. Every health feature, every workout mode, every smart notification  it’s all the same across both models.

That’s actually the key insight most comparison articles miss. The Garmin Venu 3 vs 3S debate isn’t about features — it’s about fit. One is built for larger wrists and users who want more screen real estate and longer battery. The other is engineered for smaller wrists and a lighter, more discreet everyday feel. Same soul, different body.

Garmin Venu 3 vs 3S — Size and Design Differences

Case Size Comparison

This is ground zero of the whole comparison. The Venu 3 sports a 45mm case, while the Venu 3S trims down to 41mm. That 4mm gap might not sound like much on paper but wear both watches for five minutes and the difference becomes immediately obvious — especially if you have smaller wrists.

Here’s a full side-by-side breakdown:

The weight difference is particularly worth noting. 49g vs 38.4g — the Venu 3S is over 20% lighter. For all-day wear, that matters more than most people expect.

How the Size Difference Feels on Your Wrist

Think of it like choosing between a hardcover book and a paperback. Same content, but one is just easier to carry around all day. The Venu 3S sits flush and unobtrusive on smaller wrists  it won’t peek out awkwardly from under a shirt sleeve or feel like a hockey puck strapped to your arm. The Venu 3, on the other hand, gives that commanding presence that many users (especially those with larger wrists) actually prefer.

Fitness enthusiasts who wear their watch 24/7 — including during sleep often gravitate toward the 3S simply because a lighter watch is easier to forget you’re wearing. And that’s a genuine compliment for a wearable.

Color Options and Aesthetics

Both models come in multiple colorways, giving you room to express a bit of personality:

Garmin Venu 3 Colors:

• Slate with Black Band
• Ivory with Gold Hardware
• French Gray with Whitestone Band

Garmin Venu 3S Colors:

• Ivory with Cream Gold Aluminum Bezel
• Pebble Gray with Slate Aluminum Bezel
• Dust Rose with Peach Gold Aluminum Bezel
• Slate with Black Aluminum Bezel

Notably, the Venu 3S leans into a more jewelry-inspired aesthetic with rose gold and peach gold hardware options. It’s designed to look like it belongs on your wrist at a dinner party just as much as at a spin class. The Venu 3’s larger frame gives it a sportier, more assertive look  though both are genuinely attractive watches by any standard.

Display — Does Bigger Always Mean Better?

Screen Size and Resolution Breakdown

Both the Venu 3 and Venu 3S use AMOLED touchscreens — and that’s a big deal. AMOLED panels deliver rich, saturated colors and deep blacks that make the always-on display actually enjoyable to look at. Compare that to the washed-out LCD screens found on cheaper smartwatches and the difference is night and day.

The Venu 3’s 1.4-inch, 454 x 454 px display is notably larger and sharper-looking. You get more information on screen at once  which is genuinely useful when you’re mid-workout and sweaty fingers don’t cooperate well with scrolling. The Venu 3S packs a 1.2-inch, 390 x 390 px screen. Still sharp. Still vibrant. Just smaller.

Does that smaller screen compromise readability? For most everyday use  checking heart rate, glancing at notifications, tracking steps  not really. But if you wear reading glasses or prefer larger text, the Venu 3’s extra screen real estate is worth having.

AMOLED Brightness and Outdoor Visibility

Both watches handle outdoor visibility competently. Garmin’s AMOLED panels hold up reasonably well in bright sunlight, especially with the always-on display mode active. Neither model will completely blind you in direct noon sunlight the way some budget smartwatches do  they’re legible, which is what matters when you’re running or cycling outdoors.

Pro tip: If you’re frequently outdoors in blazing conditions, turn off always-on display mode. Both watches look better and last significantly longer on a single charge.

Battery Life — The Difference Between Garmin Venu 3 and 3S You’ll Actually Notice

Smartwatch Mode Battery Comparison

Here’s where the size difference actually bites. A larger case means room for a bigger battery. Simple physics. The Venu 3 lasts up to 14 days in smartwatch mode, while the Venu 3S maxes out around 10 days. That’s not a small gap  it’s nearly a full week of difference over two charge cycles.

For most casual users, 10 days is more than enough. You’ll charge it during your Sunday evening routine and forget about it until the next one. But for travelers, ultra-marathon participants, or anyone with serious battery anxiety, that extra 4 days on the Venu 3 is genuinely meaningful.

GPS Mode Battery Life

This is where the gap becomes even more pronounced:

20 hours of GPS vs 14 hours. If you’re a marathoner, a long-distance cyclist, or someone who hikes all day, the Venu 3 wins this round convincingly. The Venu 3S’s 14-hour GPS window still covers most activities  a full marathon takes around 4–5 hours even for slower runners  but the buffer is thinner.

Always-On Display Mode Impact

Enabling always-on display cuts battery life roughly in half on both models. So expect around 8 days from the Venu 3 and 6 days from the Venu 3S with AOD active. Both are respectable numbers compared to competitors  the Apple Watch Series 9, for instance, barely lasts 18 hours. Garmin’s battery efficiency is one of its biggest selling points and a major reason fitness-focused users choose it over Apple or Samsung.

Health and Fitness Features — Are They Identical?

Core Health Tracking (Shared Features)

Yes, both models are feature-for-feature identical. This is the part that surprises most people doing a Garmin Venu 3 vs 3S comparison for the first time. There’s no health tracking advantage to choosing one over the other. Both include:

• 24/7 heart rate monitoring with wrist-based optical sensor
• Pulse Ox (SpO2) blood oxygen saturation tracking
• Advanced sleep tracking with sleep stage analysis, sleep score, and new to the Venu 3 series — nap detection
• Stress tracking using heart rate variability data
• Body Battery energy monitoring — Garmin’s proprietary feature that tells you when your body is most ready to perform or most in need of rest
• Women’s health tracking including menstrual cycle logging and pregnancy tracking
• Hydration tracking
• Respiration rate monitoring

That’s a seriously comprehensive health suite. And every single one of those features lives on both the Venu 3 and the Venu 3S.

Fitness and Workout Modes

Again — identical. Both watches offer:

• Over 25 integrated sports settings such as running, cycling, swimming, yoga, Pilates, HIIT, and additional activities. 
• Garmin Coach integration for structured training plans
• Animated on-screen workouts — particularly useful for strength training and yoga where form matters
• VO2 Max estimation
• Intensity Minutes tracking (in line with WHO physical activity guidelines)

One thing worth highlighting: the animated workout feature is genuinely impressive. Instead of just listing exercises, the watch shows you animated diagrams of each movement. It’s like having a pocket personal trainer on your wrist  a surprisingly useful touch for beginners.

Any Feature Differences Between the Two Models?

Here’s the honest truth: there are none. The difference between Garmin Venu 3 and 3S is entirely physical  size, weight, battery, and display dimensions. The software, health sensors, and smart features are carbon copies. If you’ve been holding off on the smaller Venu 3S because you thought it might be missing something, it isn’t.

Performance and Smart Features

Connectivity and Smart Notifications

Both the Venu 3 and Venu 3S are fully loaded on the connectivity front:

• Bluetooth 5.0 for phone pairing
• Wi-Fi for wireless syncing and music downloads
• NFC for Garmin Pay contactless payments
• Music storage for up to 650+ songs — you can leave your phone at home on runs
• Podcast and audiobook support via compatible apps
• Smart notifications for calls, texts, emails, calendar alerts, and app notifications

The ability to store and play music directly from the watch is genuinely liberating. Pair it with Bluetooth headphones, stuff your phone in a drawer, and run free. Both models support Spotify, Deezer, and Amazon Music for offline sync.

Compatibility With Phones and Apps

No surprises here  both watches pair seamlessly with iOS and Android devices via the Garmin Connect app. The app is one of the more robust health platforms available, offering detailed sleep analysis, workout history, Body Battery trends, and community challenges. Garmin Connect also syncs with third-party platforms including Strava, MyFitnessPal, Apple Health, and TrainingPeaks — a meaningful advantage for serious athletes already embedded in those ecosystems.

Voice Assistant Support

This was a notable addition to the Venu 3 series. Both models support voice commands — a first for Garmin’s Venu line. You can use it to start workouts, check stats, set timers, and more without touching the screen. It’s not as comprehensive as Siri or Google Assistant but it’s a solid step forward for a fitness-focused wearable.

Perhaps more impressively, both models introduced Wheelchair Mode — another Garmin first. It replaces step-counting with push detection, adjusts activity goals accordingly, and offers wheelchair-specific workout profiles. It’s a genuinely thoughtful inclusion that reflects a growing awareness in the wearable industry that fitness tracking shouldn’t be one-size-fits-all.

Garmin Venu 3 vs 3S — Price Difference

Retail Price Comparison

The price gap is slim  just about $20. Truthfully, that $20 shouldn’t factor into your decision at all. Choose based on fit and lifestyle, not price. Both watches offer exceptional value for what they deliver, especially when you consider that a comparable Apple Watch or Samsung Galaxy Watch with fewer fitness-specific features often costs the same or more.

Value for Money — Which One Wins?

Both models perform significantly better than what one would expect based on their category.  For under $450, you’re getting:

• A premium AMOLED display
• A comprehensive health monitoring suite
• Built-in music storage
• GPS tracking
• Up to 14 days battery
• NFC payments
• Animated workouts
• A robust companion app ecosystem

That’s a compelling package by any measure. Neither model is a “better value” than the other they’re priced fairly relative to what they offer.

Who Should Buy the Garmin Venu 3?

The Venu 3 is your best bet if:

• Your wrist measures 148mm or more in circumference — the larger 45mm case will sit proportionally
• You’re an endurance athlete (marathoner, cyclist, hiker) who needs longer GPS battery life
• You prefer larger screens and find smaller displays hard to read during workouts
• You wear your watch primarily as a sport and fitness device rather than a fashion accessory
• You want the absolute maximum battery life from a Garmin Venu device

“The Venu 3 is essentially the Venu 3S with more screen and more battery. If your wrist can carry it comfortably, there’s no reason not to go bigger.”  consensus among long-term Garmin users on r/Garmin

Who Should Buy the Garmin Venu 3S?

The Venu 3S is the smarter pick if:

• Your wrist measures under 148mm, the 41mm case will look and feel proportional
• You prioritize all-day comfort, including sleep tracking with the watch on
• You want a watch that doubles as a fashion piece — the rose gold and peach gold variants are genuinely elegant
• You’re a casual to moderate exerciser whose longest GPS activity rarely exceeds 10 hours
• Lightweight wearables matter to you — the 10g+ weight difference is noticeable over a full day

Garmin Venu 3 vs 3S — Final Verdict

Quick Decision Guide

Still not sure? Use this:

Choose the Garmin Venu 3 if:

• You have larger wrists (45mm+ watch face suits you)
• Battery life is a top priority
• You run or hike for extended periods
• You want the biggest display possible

Choose the Garmin Venu 3S if:

• You have smaller or medium wrists
• Lightweight, all-day comfort matters more than battery
• You want a more fashion-forward look
• You don’t do multi-day GPS activities

The bottom line? The difference between Garmin Venu 3 and 3S is physical, not functional. Both watches deliver the exact same health tracking, the same smart features, and the same software experience. You’re not sacrificing anything by going smaller except battery life and screen size, which are the natural trade-offs of a more compact form factor.

Frequently Asked Questions

Is the Garmin Venu 3S worth it for small wrists? Absolutely. The Venu 3S is purpose-built for smaller wrists. The 41mm case fits proportionally, it’s significantly lighter than the Venu 3, and it doesn’t compromise on any health or smart features.

Does the Garmin Venu 3 have better health tracking than the 3S? No  both models are feature-identical when it comes to health sensors and tracking capabilities. The difference between Garmin Venu 3 and 3S has nothing to do with health monitoring.

What is the main difference between Garmin Venu 3 and 3S? Size. The Venu 3 has a 45mm case, 1.4-inch display, and up to 14 days of battery. The Venu 3S has a 41mm case, 1.2-inch display, and up to 10 days of battery. Features are otherwise identical.

Which Garmin Venu 3 model has longer battery life? The Garmin Venu 3 wins on battery  up to 14 days in smartwatch mode and 20 hours in GPS mode, compared to 10 days and 14 hours for the Venu 3S.

Can I use third-party bands on the Venu 3 and 3S? Yes, but they use different band sizes. The Venu 3 uses 22mm bands and the Venu 3S uses 18mm bands  both widely available from third-party manufacturers on Amazon and elsewhere.

Both the Garmin Venu 3 and Venu 3S are exceptional smartwatches. Garmin got the formula right with this generation  premium display, robust health tracking, and genuinely useful smart features wrapped in a stylish package. Your job is simply to pick the size that fits your wrist, your lifestyle, and your aesthetic preference. Get that right and either watch will serve you brilliantly for years.