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The OnePlus Watch 3 is a bigger deal than you think — here's why
The OnePlus Watch 3's five-day battery won't live up to real-time usage, but it'll push "Ultra" watches to do much better.
Its 631mAh capacity — a 131mAh generational boost — isn't that different from the Mobvoi TicWatch Enduro and Atlas (628mAh), but those are both rated for 90 hours and use a very limited Essential mode to achieve extended battery life. As effective as this system was for longevity, our reviewer found last year that this 12nm chipset seemed too slow to properly handle messages and sensor data with the same speed and reliability we're used to with Wear OS watches. With the Watch 3, the main SoC is unchanged for Wear OS tasks, but now we have a 6nm BES2800 that OnePlus says will "ensure an optimal balance between long battery life and intelligent functionality."
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