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Samsung introduces new 5nm Exynos W920 chip for smartwatches—featured in Galaxy Watch 4

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Samsung recently unveiled the Galaxy Watch 4. Inside it is a brand new 5nm chip specifically designed for smartwatches called the Exynos W920.
The Samsung Exynos W920 is found in the new Galaxy Watch 4 series
The Samsung Exynos W920 is found in the new Galaxy Watch 4 series

Samsung Exynos W920 now official

The Samsung Galaxy Watch 4
The Samsung Galaxy Watch 4

The Samsung W920 is a 5nm smartwatch SoC. It has two Cortex-A55 cores, Mali-G68 GPU, and a dedicated Cortex M55 processor for Always-On display functionality. The latter is designed to reduce the power consumption of said feature.


Samsung said that the new SoC offers a 20 percent improvement in CPU performance and 10 times a boost in GPU performance. It is also touted as the smallest SoC in the market for wearables.

The Exynos W920 supports a new unified wearable platform designed by Samsung in partnership with Google. This is the one found in the Galaxy Watch 4 along with Tizen X WearOS software also developed with Google.

As a recap, the Galaxy Watch 4 is available in 40mm with a 1.2-inch Super AMOLED screen and a 44mm variant with a 1.3-inch Super AMOLED display. Inside, it has the Exynos W920, Mali-G68 GPU, 1.5GB RAM, and 16GB internal storage. It also packs 247mAh and 361mAh batteries depending on the size. It also has the Samsung BioActive Sensor (optical heart rate sensor PPG) alongside the Bioelectrical Impedance Analysis sensor (BIA).


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