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Need advise: 550m VS 540m

Last response: in Graphics & Displays
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December 15, 2011 12:37:33 PM

Hey all,

I'm thinking of buying a new laptop to conduct work and do some gaming in my spare time. Right now I am between choosing one of the below:

lenovo Y470
http://www.laptopreviews.com/lenovo-ideapad-y470-review...

or

Asus N53SV
http://www.notebookcheck.net/Review-Asus-N53SV-Notebook...

Both almost identical with the exception of video cards. Hence, my question:
If all are the same, which would be better: 1GB GT550m OR 2GB GT540m?

Really appreciate the help....

More about : advise 550m 540m

Anonymous
a b U Graphics card
December 15, 2011 1:09:04 PM

1GB GT550m

GeForce GT 550M 96@740MHz/1480 MHz

GeForce GT 540M 96@672MHz/1344 MHz

You will not see a need for the 2gb ever. Why they even put 2gb inside laptops is beyond me!

But the cpu in the asus clocks faster....

At the end the differences will be unnoticeable, and you can most likely overclock the 540 to match the 550.

The lenevo has an ssd though...

The lenevo is 14" which is more portable...

The choice is yours at the end to suit your needs. I would go with the 14.1" because i would want more portability, but if it wont be moving around, then idk :p 
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December 15, 2011 4:02:10 PM

Thanks a lot for the reply. I've checked the market here and both laptops has the same processor i7 2670 QM with 6MB cache with about 750 HDD.
What do you think?
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Anonymous
a b U Graphics card
December 15, 2011 5:20:09 PM

Then dont bother looking at the gpu, go with the extra features and what you like and size.
You can overclock the gt540m to a gt550m because they are the same chip just overclocked/underclocked by nvidia.
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December 15, 2011 5:37:17 PM

Probably not wise to overclock as the eventual heat output may not be sufficiently dissipated with the cooling that it is designed for especially for laptops. The 1gb gt550m will give you better performance than 2gb gt540. As mentioned before the extra vram for gt540 is pretty useless..
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Anonymous
a b U Graphics card
December 15, 2011 7:32:37 PM

They are performance laptops though, enhanced for heat dissipation. I doubt an extra 70mhz will raise the temperatures beyond 1-2 degrees
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a b U Graphics card
December 15, 2011 9:34:00 PM

Take the one with the best support and warranty. Your going to need it
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a c 365 U Graphics card
December 15, 2011 10:59:31 PM

See my review of the Lenovo IdeaPad Y470:

http://www.tomshardware.com/forum/63513-35-official-lap...

Note: Both CPU and GPU gets hot while playing games. I purchased a laptop cooler (CoolerMaster w/ 2 movable fans) and it did not decrease internal temps. There must be something inside the laptop preventing the extra air to cool the CPU and GPU.
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a c 365 U Graphics card
December 16, 2011 3:00:46 AM

^^^

Not based on my measurements which are part of my review.
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Anonymous
a b U Graphics card
December 16, 2011 3:02:50 AM

Your review is for an i5 as well, also you may have a defective laptop. Just sayin'...

"I have put the Y470 under heavy load for hours and it manages to stay relatively very cool. The padded feet under the laptop keep it about 1.5 cm off the table, which provides plenty of clearance on the underside for the fan there to draw in air. "

http://www.laptopreviews.com/lenovo-ideapad-y470-review...
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a c 365 U Graphics card
December 16, 2011 3:23:58 AM

Quote:
Your review is for an i5 as well, also you may have a defective laptop. Just sayin'...

"I have put the Y470 under heavy load for hours and it manages to stay relatively very cool. The padded feet under the laptop keep it about 1.5 cm off the table, which provides plenty of clearance on the underside for the fan there to draw in air. "

http://www.laptopreviews.com/lenovo-ideapad-y470-review...


The review does not include any programs that measures temps.

Actually, I must correct myself the GPU does not get too hot. However, the CPU does. I called Lenovo tech support about it reaching 93C and they told me that is normal. The TJMax of the i5-2410M is 95C. The underside of the laptop was only warm though even after hours of game play. However, the concern is the CPU temp being extremely close to TJMax where the CPU will begin throttling itself.

I don't know about you, but people who really knows computers and are into building their own PC wants the max temps measured to be far less than TJMax.
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