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Microsoft Recall is now an explorer.exe dependency
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this post was submitted on 10 Oct 2024
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Recall was the headline feature for Copilot+ PCs.
When a wave of ARM powered Windows laptops, and now a few desktops launched, they were all Copilot+ for whatever reason. They all marketed the NPU, but struggled to really say what the NPU unlocked that you couldn't do with a CPU or GPU. Other marketing gimmicks were a better background blur and an AI drawing assistant in I think paint. I think you could also do "AI stuff" in photos, but don't think that was local.
Honestly, I think everyone missed the punchline on ARM. The promise is lower heat and greater battery life. There was no need to bundle that with AI gimmicks. But clearly a PM thought so and now they're trying to save face. Really taking advantage of ARM and pushing for battery life, by optimizing the kernal and changing what happens in standby, would probably be a bigger engineering lift.
/Thoughts from a rando who bought an ARM powered Windows laptop and generally likes it but has never touched the NPU enabled stuff
But how else are you gonna bring down battery life to be on par with x86?
/s
lol. Amusingly, my wife's Dell Latitude 7400 with an i3 has much better stand by battery life than my 7x slim. The slim does wake up a ton faster - by the time the lid is open it's already doing facial unlock and it it sees me it unlocks immediately and is "fully awake", but I suspect this is achieved at the expense of more battery consumption while sleeping.
The 7x slim loses around 5% / day when asleep :(
Which OSes? Newer windows relies on newer CPU sleep states in that it doesn't actually suspend to disk/hibernate but just sleeps, trickling the battery.
Both are windows 11. It wouldn't surprise me if the older laptop doesn't support the new sleep state. I would personally trade slower wakeup for less battery use while sleeping. I don't use the laptop every day and it's kind of a bummer when I turn it on and find out it lost 20% of its charge between uses.
Even when it's "shutdown" the Lenovo 7x slim doesn't appear to actually be off.