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[PCPER] Kepler Mobile GPU performance preview tonight - Page 7

post #61 of 97
My body. Tis ready.
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It's a computer
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post #62 of 97
Thread Starter 
Also of note is huge dx11 performance, even at lower clockspeeds. The Cpu in this review is weak too. Seems maybe 1.8x new core to 1 old, but no idea till desktop info.
Edited by GoldenTiger - 3/13/12 at 6:57pm
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post #63 of 97
Quote:
Originally Posted by GoldenTiger View Post

Also of note is huge dx11 performance, even at lower clockspeeds.

The core count is 384. I have a feeling that has something to do with it.

The clock speed may be low, but the core count is very high.
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post #64 of 97
Quote:
One of the tactics used by Nvidia to squeeze maximum performance out of the new Kepler mobile chips is performance scaling. Every laptop has a maximum amount of heat it can cool - so why not make sure all of it is being used?

The answer to that question starts to become evident when playing games on this laptop. While the palmrest remains in the mid-80s, the middle of the keyboard becomes extremely warm, reaching temperatures up to 105 degrees.

That’s nothing compared to center-bottom of the laptop, where we read temperatures of up to 128 degrees after playing Battlefield 3 on Ultra. That’s unacceptably warm - it’s hard to imagine using this laptop on anything besides a desk if you want to engage the GPU.

Holy batman!

I think this is what I will buy man. It's so damn cool here the winter. thumbsdownsmileyanim.gif
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post #65 of 97
Was just a Laptop with a low-end 640M Keplar architecture.
    
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post #66 of 97
^Actually, Nvidia's laptop numbering scheme is x40M = performance low-end / lower-midrange (the equivalent to desktop GT 430, or AMD 6670, etc.). With the x50M being midrange, x60M upper midrange, and x70/ x80M being high-end/flagship. But yes the desktop equivalent would be "low-end".

640M is similar to the 555M, not terrible; but then again the 635M is a 555M rebrand so hopefully it's ~15% faster than the 555M with a good CPU. Now, if Nvidia could please stop with the nonsense of having 96/144 CUDA core cards with the same name, and the 192-bit/128-bit cards of the same name it'd be much appreciated. So far it's looking good for the 650M or 655M to be close to the 560M, and 660M being as fast as the 570M and so on.
Edited by jrbroad77 - 3/13/12 at 7:17pm
 
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post #67 of 97
The rumors that Kepler would win some (DX11) and lose some (DX9) seem to be rooted in truth. Wonder what kind of memory interface the 640M has. Quick, somebody in Asia go buy one of these and report back! biggrin.gif
 
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post #68 of 97
Kepler Mobile Fail ?
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post #69 of 97
Yikes, those external temps are way too high to be comfortable, especially on the keyboard. If that's only the 640M, I can only imagine what the higher end ones are going to be like. stun.gif
post #70 of 97
Well, I was excited for a moment.... frown.gif

Way for them to troll Facebook though. I'm not sure if it's good news or bad news.... If those temps are right, definitely bad news for Kepler.
:O
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:O
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