At a Glance: The Verdict
| Samsung Galaxy Watch 8 | Garmin Venu 4 |
|---|---|
|
Best For: Samsung and Android owners who want a smartwatch first The cheaper, lighter watch. It handles apps, payments, ECG, and body composition well, and it costs $200 less. You just have to charge it every night. |
Best For: Fitness people who hate charging their watch Twelve days of battery, deeper training tools, and it pairs with an iPhone or Android phone. You pay $549.99 and carry a heavier watch for it. |
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The Samsung Galaxy Watch 8 and the Garmin Venu 4 both landed in 2025, and both are 5 ATM AMOLED watches with GPS and contactless payments. But they are built for different buyers. One is a cheaper smartwatch you charge nightly; the other is a pricier fitness watch that runs for almost two weeks.
Key Differences
- Battery life: The Venu 4 lasts about 12 days in smartwatch mode. The Galaxy Watch 8 lasts about 1.7 days, so you charge it daily.
- Price: The Galaxy Watch 8 launched at $349.99. The Venu 4 launched at $549.99, a $200 gap.
- Phone compatibility: The Galaxy Watch 8 is built for Android and works best with a Samsung phone. The Venu 4 works with both iPhone and Android.
- Health sensors: The Galaxy Watch 8 adds an electrical heart sensor (ECG), body composition (BIA), and a temperature sensor. The Venu 4 focuses on heart rate and blood oxygen (Pulse Ox).
- Weight: The Galaxy Watch 8 is 30g. The Venu 4 is 56g, nearly double.
Deep Dive Comparison
Design & Comfort
The Galaxy Watch 8 uses an Armor Aluminum case, weighs just 30g, and has a 40mm body. It disappears on your wrist and is easy to sleep in. The Venu 4 is bigger at 45mm and heavier at 56g, with a stainless steel and fiber-reinforced polymer build. It feels more substantial, but if you have a smaller wrist or want to wear it to bed, the Samsung is the more comfortable watch.
Battery Life
This is the widest gap between them. The Galaxy Watch 8 runs about 40 hours (1.7 days) in normal use. Samsung publishes no GPS runtime for it. The Venu 4 runs about 288 hours (12 days) in normal use and 20 hours with GPS. If you track sleep, the Samsung needs a top-up during the day or before bed. The Garmin can go a full week or more between charges and still handle a long run.
Health & Fitness Features
Both use multi-band GPS, so location tracking is accurate on either watch. The split shows up in the sensors. The Galaxy Watch 8 carries a BioActive Sensor with an electrical heart sensor for ECG, bioelectrical impedance (BIA) for body composition, plus a temperature sensor. That is a strong health package for everyday tracking. The Venu 4 uses Garmin’s Elevate Gen 5 heart rate sensor with Pulse Ox for blood oxygen, and it leans on Garmin’s deeper training and recovery tools. For structured workouts and endurance tracking, the Venu 4 is the stronger fitness watch. For at-a-glance health checks like ECG and body composition, the Galaxy Watch 8 does more.
Smart Features
Both have NFC payments, a microphone, and a speaker for calls and voice control. The Galaxy Watch 8 runs the fuller smartwatch software with 32GB of storage, Wi-Fi on 2.4 and 5GHz, and an optional LTE model, so it is closer to a phone on your wrist. The Venu 4 has 8GB of storage and covers the essentials: notifications, music, and payments. If app selection and a phone-like experience matter, Samsung wins here.
Price & Value
The Galaxy Watch 8 started at $349.99 and the Venu 4 at $549.99. That $200 difference is real money. For it, the Venu 4 buys you roughly seven times the battery life and Garmin’s fitness platform. The Galaxy Watch 8 gives you more smartwatch features, ECG, and body composition for less. Most buyers get more day-to-day value from the cheaper Samsung. The Venu 4 earns its price only if battery life and serious training are the point.
Technical Specs
| Spec | Samsung Galaxy Watch 8 | Garmin Venu 4 |
|---|---|---|
| Launch Price | $349.99 | $549.99 |
| Weight | 30g | 56g |
| Case Size | 40mm | 45mm |
| Display | 1.34-inch Super AMOLED, 438 x 438 | 1.4-inch AMOLED, 454 x 454 |
| Water Rating | 5 ATM | 5 ATM |
| Battery (Smartwatch) | 40 hours (1.7 days) | 288 hours (12 days) |
| Battery (GPS) | Not published | 20 hours |
| GPS | Multi-band | Multi-band |
| Sensors | Optical HR, electrical heart (ECG), BIA body composition, temperature, accelerometer, barometer, gyro, geomagnetic, light | Elevate Gen 5 HR, Pulse Ox, barometric altimeter, compass, gyroscope, accelerometer, thermometer, ambient light |
| Storage | 32GB | 8GB |
| NFC Payments | Yes | Yes |
The Verdict
For most people, buy the Samsung Galaxy Watch 8. It costs $200 less, weighs half as much, adds ECG and body composition, and runs the fuller smartwatch software. The catch is nightly charging and the fact that it really wants an Android or Samsung phone.
Buy the Garmin Venu 4 if battery life or serious training is your priority. Twelve days between charges, deeper fitness tracking, and iPhone-or-Android support make it worth $549.99 for runners, cyclists, and anyone tired of charging a watch every night. If you own an iPhone, the Venu 4 is also the smarter pick, since the Galaxy Watch 8 is built around Android.
Frequently Asked Questions
Which watch is better overall?
For most buyers, the Galaxy Watch 8 at $349.99 is the better value with more smart features and health sensors. The Venu 4 is better if you want long battery life and deeper fitness tracking and are willing to pay $549.99.
How much longer does the Garmin Venu 4 battery last?
A lot longer. The Venu 4 runs about 288 hours (12 days) in normal use versus about 40 hours (1.7 days) for the Galaxy Watch 8. That is roughly seven times the battery life, so the Garmin can go a week or more between charges while the Samsung needs a daily top-up.
Is the Garmin Venu 4 worth $200 more?
Only if battery life and serious training matter to you. The extra $200 mostly buys endurance and Garmin’s fitness platform, not more smart features. Casual users are better served by the cheaper Galaxy Watch 8.
Which should I buy if I use an iPhone?
Get the Venu 4. It works fully with both iPhone and Android, while the Galaxy Watch 8 is designed for Android and works best with a Samsung phone. iPhone owners will have a smoother experience on the Garmin.
Which watch is better for tracking health metrics like ECG?
The Galaxy Watch 8. It includes an electrical heart sensor for ECG, bioelectrical impedance for body composition, and a temperature sensor. The Venu 4 focuses on heart rate and blood oxygen (Pulse Ox) and does not list ECG in its specs.
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