“how does running the 4k model at 1080p affect battery life and / or performance?”
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I work in the area of reducing energy consumption of LCD displays. It is not true that running at 1080P will help battery life. The reason that battery life is reduced with a 4K display is that there are 4x more transistors (one per sub-pixel) blocking light for the 4K case and they are there weather you are running 1080P or 4K. Guys, if you don't know, don't guess.
Sorry, there was a problem. Please try again later.You may get an hour extra. But it's not worth it. The images and text become really soft and lose their sharpness. There is no point getting this model if you intend to run it in 1080p and you want to maximize battery. This laptop is for power users or professionals who need the power and resolution on a daily basis. And power users normally don't mind to keep this plugged in for maximum performance. They already know they're sacrificing battery life. Get the 1080p version if you want maximum battery, and tinker with photo or video editing once in a while. If you're truly not photo editing or video editing for a living, and not on a weekly, if not daily basis, then go with the dual core, 1080p. That will be a much better buy.,
Sorry, there was a problem. Please try again later.Running the 4k panel at 1080p will help increase the battery life by an hour to an hour thirty minutes. One thing to note, when changing the resolution from 4k to 1080p, the screen quality becomes a bit blurry and is not as sharp anymore - perhaps a better route would be to scale 200% up to effectively get 1080p sized content (which retains the sharpness) instead of changing the native resolution.
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