At the Galaxy Unpacked event held today, Samsung equally unveiled the Galaxy Watch 4 series made up of the vanilla Watch 4 and the Watch 4 Classic. The Galaxy Watch 4 features a circular minimalist design while the Watch 4 Classic comes with a circular rotating bezel, a unique design feature of the original Galaxy Watch.
The two smartwatch models come with a circular Super AMOLED display and a metal casing. While the Galaxy Watch 4 is available in 40mm and 44mm variants, the Galaxy Watch 4 Classic arrives in 42mm and 46mm variants. The Watch 4 sports a 1.19-inch AMOLED screen with a resolution of 396 x 396 pixels while the Watch 4 Classic packs a 1.36-inch display with 450 x 450 pixels resolution.
The models are both powered by Samsung’s latest Exynos W920 processor that is built using a 5nm process. Compared to the previous model, the CPU performance has been improved by 20% and RAM by 50%, so it runs smoother even when scrolling the screen or using multiple apps at the same time. The GPU performance has also been improved by more than 10 times, so the screen transitions smoothly like water. The processor is paired with 1.5GB RAM and 16GB of internal storage on all models.
One UI Watch 3 Based on Wear OS 3
The Galaxy Watch 4 series brings a completely new smartwatch experience as they run on One UI Watch 3 based on Android Wear OS 3. The interface provides a more consistent experience with the Galaxy ecosystem, including smartphones. When a user newly installs an app compatible with the Galaxy Watch 4 on the smartphone, it is automatically downloaded to the Galaxy Watch 4. Also, changes to the settings of the linked app are immediately reflected in other devices. For example, if you change the setting of the world clock that displays the time in various regions around the world on your smartphone, it will also be applied to the Galaxy Watch.
Further, the smartwatches support Auto Switch. Thus, if you connect the Galaxy Buds to your smartphone, when you play music on the Watch 4, the earbuds connection automatically switches to the watch. You can also check the status of the Galaxy Buds and change settings on the smartwatch.
Smartphone functions can also be controlled through Bixby voice commands, rotating bezels, or gestures. For example, it is possible to answer a call by moving the arm wearing the Galaxy Watch 4 up and down twice, or to reject a call by turning the wrist twice.
The Galaxy Watch 4 is equipped with a new wearable integrated platform to provide a richer wearable app ecosystem. You can use several Google apps such as Google Maps and Galaxy apps such as SmartThings and Bixby. In addition, other apps such as Naver Map, T-money, Smart Caddy, Adidas Running, Strava, Calm, Spotify, etc can be downloaded from Google Play.
Samsung Bioactive Sensor
In addition, it provides advanced integrated health management functions such as the innovative Samsung BioActive sensor, body composition measurement, health monitoring, fitness, and sleep management.
The Samsung Bioactive Sensor can measure various health indicators such as blood pressure, electrocardiogram, and blood oxygen saturation, directly on the wrist and it is included on the Galaxy Watch for the first time. It integrates three sensors such as optical heart rate sensor (PPG), electric heart rate sensor (ECG), and bioelectrical impedance analysis sensor (BIA) into one chipset. 
The Galaxy Watch 4 series also supports the body composition measurement function, another first on the Galaxy Watch series. To this end, users can check their skeletal muscle mass, basal metabolic rate, body water, and body fat percentage in about 15 seconds by simply placing two fingers anywhere on the smartwatch and know their body and fitness status.
It is also useful for home training while watching the latest Samsung Smart TV. On the TV screen, you can check your heart rate or calories burned by your smartwatch right away. The watch also tells you whether your body is fully recovering while you are resting. During sleep, blood oxygen saturation and snoring are also measured to provide sleep data and insights, enabling a more systematic assessment of sleep quality.
Battery
In terms of battery life, the Galaxy Watch 4 packs a 247mAh battery, while the larger Galaxy Watch 4 Classic crams a 361mAh battery under the hood. Both smartwatches are compatible with Qi wireless charging and they come bundled with a wireless charging adapter. The wearables can be used for up to 40 hours on a single charge while providing advanced health management functions. It can be used for up to 10 hours with just 30 minutes of charging.
Finally, the Galaxy Watch 4 series is equipped Samsung Knox mobile security platform that safely protects the sensitive personal information of users, such as passwords, health, and payment-related information.
Samsung Galaxy Watch 4 Series Prices & Availability
The Galaxy Watch 4 series will be released sequentially around the world from August 27th. The series will be released in LTE and Bluetooth models. The Galaxy Watch 4 44mm model will be available in black, silver, and green colors and the 40mm model will come in black, silver, and pink gold colors. On the other hand, the Galaxy Watch 4 Classic will come in black and silver colors for both the 46mm and 42mm models.
As for the prices, the 40mm variant of the Galaxy Watch 4 will retail for $249.99 in the US, while the 44mm variant costs $279.99. The 40mm LTE variant of the Galaxy Watch 4 costs $299.99 and the 44mm LTE version costs $329.99.
The Galaxy Watch 4 Classic 42mm variant is priced at $349.99 for the Bluetooth version, while the 46mm version costs $379.99 in the US. The Galaxy Watch 4 Classic 42mm LTE version is priced at $399.99, while the 46mm LTE version costs $429.99.
Meanwhile, Samsung is also planning to sell a limited edition Thom Browne Special Edition of the rhodium-plated Galaxy Watch 4 Classic at the end of September.
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