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Any notebooks that allow one to toggle discrete & on-board graphics?

post #1 of 5
Thread Starter 
I've been out of the laptop loop for quite sometime so I'm sure I've missed a bunch of new developments. I have a number of questions that I'll be asking but they mostly center around one theme for me: battery life. I'm obsessed with it. Every purchase like an mp3 player or a cell phone the number 1 thing I care about is battery life. I've been mocked by a few friends for some of my electronics purchases but when they're phone is dying on a vacation or at some critical time a smile comes to my face when I notice I have a few days before I have that problem.

That said, one of the things I simply can't give up in my potential new purchase is a separate graphics processor. I've heard decent things about Intel's new on-board stuff and even played with some of it but it falls just short for me. I don't really ever play games so I'm not talking about the need for so crazy GPU here but I do use some programs that benefit greatly from a dedicated GPU although I go stretches without using those programs too. Ideally I'd like to be able to use on-board graphics most of the time and then simply switch on a slightly more powerful GPU when needed. Remember, this has to do with battery life for me. So do notebooks allow this these days? Do most do this or is it something special that select models do? If so, which ones do it? Is the battery savings noticeable between intel's on-board GPU vs Nvidia or ATI GPUs? How exactly does toggling on and off work (eg. a setting that can be quickly changed, a change that requires a restart, a special function button on the keyboard, etc...)?
post #2 of 5
Check out the Sony SZ series. They have a switch just above the keyboard which allows you to switch between on-board graphics and an Nvidia GPU. It does require a restart after you push the switch.

You'll like Sony's battery management program too. You can disable just about every piece of hardware you're not always using to conserve battery life.
post #3 of 5
I had an AW m5500 and it has a hybrid type gpu setup. The switch is in the front and requires a reboot. The base is designed off of the Uniwill platform
found here http://www.uniwill.com/products/hybr...3.php?HL=1&H=1

When I had the laptop with a 128 mb video card I did not really notice an extended battery life above the onboard intel. There may be a difference in a 256 mb version though.
post #4 of 5
^ that website alone stresses out my 128mb gpu. or at least my eyes- I can see my lcd refresh rate when scrolling it!
post #5 of 5
To tell you the truth, the laptops that let you switch between a dedicated and onboard GPU don't have dedicated GPUs that draw that much more power than the integrated. My Latitude D820 with Quadro 120M doesn't get significantly worse battery life than a D820 configured with the onboard Intel. The switching feature would be MUCH more useful in a system with GPUs like the 7900 series.
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NotebookForums.com › Forums › General Notebook Discussions › Notebook Forums - General › Any notebooks that allow one to toggle discrete & on-board graphics?