Google’s Pixel Watch 5 might get a custom Tensor chip, giving up on Qualcomm as a supplier. This makes sense since Google is also using Tensor chips for its Pixel smartphones, but interestingly the switch will only happen in 2026, so the Pixel Watch 4 will presumably still use a Qualcomm SoC.
That said, the roadmap document that this leak is based on is itself from early 2023, which means a lot could have changed from then and up until now, keep that in mind.
The rumor comes courtesy of Android Authority, which cites leaked documents from Google’s gChips division. According to the leaked plans, the wearable Tensor chip, codenamed NPT, sports a core configuration of an ARM Cortex A78 and two Arm Cortex A55s. These are older CPU cores, but that’s a fairly typical move with wearable processors. Other than that, details are scant and it’s currently unknown which process node technology the planned wearable Tensor chip might have.
Chips aren’t usually as heavy a focus for smartwatches as they are for smartphones. So long as performance is snappy, smartwatch makers tend to focus on ways to prolong battery life without sacrificing smart features. But this is a potentially interesting development given that chip stagnation has historically been a huge obstacle for Android smartwatches.
Both Samsung and Qualcomm use older cores in their smartwatch chips – the Snapdragon W5 Gen 1 has Cortex-A53 cores (which launched in 2012), while the Exynos W1000 has one Cortex-A78 and four Cortex-A55, thus being the most similar to Google’s intended design. That makes us think this wearable Tensor might just be a tweaked Samsung chip – in the same way as all of the smartphone Tensor chips so far have been.
What isn’t known is what process technology this new Tensor chip will use, but it could be 3nm. Another unknown is the modem that will be used.We’ll have to see how things shake out, hopefully this is a sign that it can keep it going.