What This Product Is Used For
The Garmin Venu 4 45mm is a premium GPS smartwatch designed for advanced health tracking, structured fitness training and everyday smart functionality. Compared with a basic fitness band, it delivers ECG recording, training readiness insights, over 80 sports apps and built in calling support.
With its larger 45mm stainless steel case and bright AMOLED touchscreen, it provides more on screen space than the 41mm model while maintaining a refined look. Built in GPS supports accurate outdoor activity tracking without relying on your phone.
In daily life, it helps you monitor workouts, recovery, sleep and stress, while also handling calls, music and payments directly from your wrist.
Who This Product Is Best Suited To
This watch is ideal for users who prefer a larger display and longer battery life in a performance focused smartwatch.
It suits runners, gym users and multisport athletes who want Garmin Coach plans, training readiness guidance and detailed workout feedback. It also works well for those who want ECG support and in depth sleep coaching in a bold Slate and Black design.
If you want a smartwatch that feels substantial on the wrist while delivering serious health and training analytics, the Venu 4 45mm is a strong choice.
Pros and Cons
Pros
Large AMOLED touchscreen with clear and vibrant display.
Up to 12 days battery life in smartwatch mode.
ECG app for heart rhythm recording where supported.
Training readiness and workout benefit metrics support smarter training.
Music storage and Garmin Pay for phone free workouts.
Cons
ECG and certain features are region dependent.
Battery life decreases with heavy GPS and music usage.
Larger case may feel bulky on smaller wrists.
Real World Performance and Day to Day Use
The 45mm case offers a more prominent display, making it easier to read workout metrics and notifications at a glance. The AMOLED screen remains bright and responsive, and the built in flashlight provides practical visibility in low light conditions.
Health tracking runs continuously, including wrist based heart rate, Body Battery energy monitoring, stress tracking, fitness age and meditation guidance. The ECG app can record heart rhythm and check for signs of atrial fibrillation for eligible users in supported regions.
Sleep tracking provides a sleep score, personalised coaching and breathing variation analysis using Pulse Ox. The health status feature monitors trends such as HRV and skin temperature to highlight changes that may indicate increased strain.
With more than 80 indoor and GPS sports apps, the Venu 4 supports walking, running, cycling, swimming, HIIT and mixed sessions. Garmin Coach plans, training status, workout benefit and training readiness provide structured insight into progress and recovery.
When paired with a compatible smartphone, you can make and take calls from your wrist, use voice assistant features and receive smart notifications. Music support and Garmin Pay allow you to train without carrying your phone or wallet.
Why We Like This Product
From the YPC Team perspective, we like how the Venu 4 45mm combines advanced training metrics with lifestyle practicality. Many users focus only on activity tracking and ignore recovery.
This model helps avoid the common mistake of overtraining by providing training readiness and health status insights alongside ECG monitoring.
Comparisons With Similar Systems
Compared with the 41mm Venu 4
The 45mm version offers a larger display and up to 12 days battery life compared to the smaller model. Choose this if you prefer more screen space and slightly longer battery endurance.
Compared with rugged multisport watches
Rugged models prioritise extreme durability and expedition battery life. Choose the Venu 4 45mm if you want AMOLED clarity and everyday style with advanced health tools. Choose a rugged watch for harsh outdoor environments.
Compared with basic fitness trackers
Basic trackers log steps and heart rate. Choose the Venu 4 if you want ECG, training readiness, music and over 80 sports apps.
Alternatives Worth Considering
If you prefer a more compact fit, consider the 41mm version of the Venu 4.
If ultra long battery life beyond 12 days is essential, a more endurance focused Garmin model may be more suitable.
If you only need basic step and sleep tracking, a simpler Garmin fitness watch could meet your needs.
Tips for Getting the Best Performance
Wear the watch consistently, including overnight, to maximise health insights.
Allow GPS to fully connect before starting outdoor sessions.
Check training readiness before intense workouts.
Keep the Garmin Connect app updated.
Adjust brightness and always on display settings to optimise battery life.
Full Technical Specification
Model: Garmin Venu 4
Case size: 45mm
Colour: Slate and Black
Display: AMOLED touchscreen
Battery life: Up to 12 days in smartwatch mode
GPS: Built in GPS
Sports apps: 80 plus indoor and GPS sports apps
Health monitoring: Wrist based heart rate, Body Battery, stress tracking, fitness age, meditation
Sleep tracking: Sleep score, personalised sleep coaching, breathing variations
Health status monitoring: HRV, skin temperature trends and related metrics
ECG app: Heart rhythm recording for eligible users in supported regions
Training features: Garmin Coach, training readiness, workout benefit, training status
Smart features: Bluetooth calling, smart notifications, voice assistant support when paired
Payments: Garmin Pay contactless payment support
Music: On device music support
Flashlight: Built in flashlight
Buyer’s Guide
Buy this if you want a larger 45mm GPS smartwatch with ECG support, advanced training features and up to 12 days battery life in a Slate and Black finish.
Do not buy this if you prefer a compact watch or only need basic activity tracking.
Frequently Asked Questions
Does the Garmin Venu 4 45mm have built in GPS?
Yes, it includes built in GPS for accurate outdoor activity tracking.
How long does the battery last?
It offers up to 12 days battery life in smartwatch mode depending on usage.
Can I record an ECG with this watch?
Yes, the ECG app can record heart rhythm for eligible users in supported regions.
Is it compatible with iPhone and Android?
Yes, it works with compatible iPhone and Android smartphones.
Does it track sleep?
Yes, it provides sleep score, personalised coaching and breathing variation analysis.
Can I make calls from the watch?
Yes, you can make and take calls when paired with a compatible smartphone.
What is training readiness?
Training readiness indicates whether your body is prepared for intense exercise based on recovery and recent activity.
Does it support contactless payments?
Yes, it supports Garmin Pay with supported banks and payment networks.
Is the 45mm version larger than the 41mm?
Yes, the 45mm model offers a larger display and slightly longer battery life.
What colour is this version?
This model is supplied in Slate and Black.
Looking for more options?
Browse our full range of GPS Smartwatches for other great choices to suit your space, goals, and budget.
