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Nvidia Optimous in an IdeaPad Y570?

post #1 of 10
Thread Starter 
So i'm looking at getting a new laptop, and i'm looking at getting a lenovo.

They have an IdeaPad Y570 w/ i5 and a GT 555m, but from some quick and simple searching, the Optimous tech seems to be nightmare-ish.

Anyone have and experience with the Optimous stuff?

Or anyone recomend something different?

My max budget is $700.
Edited by stumped - 1/16/12 at 3:43pm
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post #2 of 10
Not sure what people are doing as to it being "nightmareish" Mine has never given me an issue even once. Great laptop.
   
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post #3 of 10
Optimus.. not a single issue from my ~6 months using a Thinkpad with Optimus. If you like less than 3 hours battery life, get something without Optimus or just run the Y570 with discrete graphics always on.
 
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post #4 of 10
My sibling has the same laptop and loves it. The only thing I find a problem is that with games my sibling get stuttering. I think it's because of the hard drive.
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post #5 of 10
I have 2 friends who bought Y570's during the huge Lenovo sale. They both enjoy the laptop very much. I have the Y570's brother, the Z370, which is basically the same thing except it doesn't have a dedicated video card and it is intended for use in businesses and whatnot. It's a fantastic machine.

With your budget I would probably get the AS3830TG-6431 from Acer though. It has a GT 540m which is only a small step down from the 555m but it has 3x more battery life than the Lenovo. Typing in a word document with wifi on will last around 10 hours. Also the laptop is much more low profile and a lot lighter. It is similar to an ultrabook but not as thin. The finish on the top is my favorite finish out of any laptop.
post #6 of 10
Optimus works great on my 3830TG

BACON didn't work quite as well on the DV6T when i had it, but CCC lets you bind hotkeys, so i toggled the DGPU that way.
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post #7 of 10
Thread Starter 
thanks all for the input. It's very much appreciated.

To clarify on what i mean by nightmare-ish; people can't get even some newer games to work with the nvidia card, they just default to intel, and the drivers from nvidia don't update, and the switching doesn't work very well.

As for the acer suggestion, i'd like to stay away from acer if at all possible, i've just never liked their quality much.

I could honestly care less if i have a dedicated gpu, but i just thought it might be a bit of a stepup to keep the laptop more "relevant" and lasting longer than not having one.

Here's what i've got it narrowed down to: V570 -> $580, Z570 -> $619 or the Y570 -> $720.

I'd like the most compatibility with linux, and reading up on Optimus with linux seems to be quite unstable for now, so the Y570 might be out of the question.

But, which one and why?
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post #8 of 10
The laptop will work fine in linux, but getting the dGPU to work is unlikely.
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post #9 of 10
Well, the trick with Optimus is, you can completely disable discrete graphics if you want. The hardware diagram is like this:

Nvidia GPU ---> Intel CPU
................................|
................................|
.............................. V
............................Display

As you can see, you can use integrated without discrete; just not the other way around. When discrete is on, it processes the image and sends the data through the IGP, which does no heavy lifting. Then the IGP sends it to the display.

Personally, if I don't need discrete graphics, I'd get something smaller/lighter/cheaper, or with a better CPU at the same price. Basically cut down the expense now, and if you need discrete graphics like a year from now, you can get something a lot better with a 28nm GPU. There's no battery life penalty with Optimus, which is a bonus.

Graphics futureproof: Y570
Good laptop with an i3/i5: V570 or Z570 - the main difference is the Z570 is supposed to look nicer for consumers. Pick based on aesthetics, or price.

EDIT: The only issue with running Optimus laptop on Linux, you might have to disable the discrete graphics in BIOS. And if you want to dual-boot into Windows, you'll have to switch to Optimus mode in BIOS to use the Nvidia graphics in Windows.
Edited by jrbroad77 - 1/16/12 at 9:34pm
 
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post #10 of 10
Quote:
Originally Posted by jrbroad77 View Post

Well, the trick with Optimus is, you can completely disable discrete graphics if you want. The hardware diagram is like this:
Nvidia GPU ---> Intel CPU
................................|
................................|
.............................. V
............................Display
As you can see, you can use integrated without discrete; just not the other way around. When discrete is on, it processes the image and sends the data through the IGP, which does no heavy lifting. Then the IGP sends it to the display.
Personally, if I don't need discrete graphics, I'd get something smaller/lighter/cheaper, or with a better CPU at the same price. Basically cut down the expense now, and if you need discrete graphics like a year from now, you can get something a lot better with a 28nm GPU. There's no battery life penalty with Optimus, which is a bonus.
Graphics futureproof: Y570
Good laptop with an i3/i5: V570 or Z570 - the main difference is the Z570 is supposed to look nicer for consumers. Pick based on aesthetics, or price.
EDIT: The only issue with running Optimus laptop on Linux, you might have to disable the discrete graphics in BIOS. And if you want to dual-boot into Windows, you'll have to switch to Optimus mode in BIOS to use the Nvidia graphics in Windows.

Great explanation.
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