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A Brief Review of the Minisforum V3 AMD Tablet
(mudkip.me)
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this post was submitted on 14 Apr 2024
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A surface pro gets 3-4 hours in my experience.
Even the surface book 3 with it's two batteries only got 7 hours for me with use.
It's all about the TDP of the chip, pixel density and refresh rate of the screen and battery capacity.
Recipe for long battery life is low power CPU, lower resolution (HD vs UHD) screen, no touch input, bigger battery.
Tablets don't usually follow that recipe.
And lower refresh rate.
TDP of the CPU is largely irrelevant if battery life is the goal. You can crank the power down on any Intel system, but you’re still going to get shit battery life of the CPU can’t return to idle.
Older AMD Ryzen chips got amazing battery life at any load. But they’ve been following intel’s race to idle as quickly as possible and battery life at low-mid loads has suffered dramatically. ARM cpus are much better in that regard.
The Zen3+ Ryzens all have lower threshold power modes, it's just that the dupes tuning a lot of BIOS presets have all the settings whacked out to run them at variable settings. If you get a well tuned BIOS, you get good battery life. The Linux 6.8+ governor settings also allow all individual core engagement with governors, which had a 40-60% battery life boost for some Ryzen chips. The 8000's should perform even better.