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Originally Posted by S.SubZero 
I wasn't aware Sager tinkered with the video card at all.
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Sager's ODM is Clevo; Clevo makes the GPU's which are based upon Nvidia's MXM standard, but not identical to it. Sager provides the drivers and BIOS which, if I am not mistaken, are based on Clevo's offerings. This is why you can't go out and get any old MXM replacement GPU an use stock Nvidia drivers for it. Instead, you have to go to Sager for both the GPU and driver upgrades. Moreover, with Sager, it is often the case that in order to upgrade your video card, you also have to upgrade your motherboard and BIOS.
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| The Forceware drivers even have a "Mobile" section for just laptops. |
My understanding was that "Forceware" is the name Nvidia gave to the drivers it develops for it's Nforce desktop chipset. I don't think Nvidia makes an I/O chipset for mobile computers, so I find it interesting that they would include hw id's for mobile GPU's in their Forceware drivers (which are different from their GPU only drivers).
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| The "hacked INF" drivers add the IDs and whatever else is needed to nv_disp.inf to properly identify the chipsets, but the rest of the laptop infrastructure support is already in the drivers. |
I wondered about this myself, but I wasn't sure exactly what the modders tweaked since they often develop different driver versions for which they claim that they have tweaked the drivers for performace and/or quality. Moreover, they don't just provide a modded inf and link to Nvidia stock drivers, rather they provide their own inf *and* driver downloads.
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| The Gateway laptop you mention here seems to *only* come in this one configuration. Sager doesn't even offer a processor that low in their gaming notebooks, nor a screen with that low a resolution. From one perspective Sager doesn't have the "price advantage" but on the other, Gateway doesn't offer enough (ie. any) customization to suit someone's specific needs. If you want a faster processor, get ready to insta-void the warranty, and bend over, because laptop processors aren't exactly cheap. |
I don't know of any laptops sold at retail for which the store supports upgrading the CPU. However, considering Sager doesn't sell in the retail channel and Gateway also sells configurable machines online, I suppose it's a mute point.
The example I gave is an exceptional value. GPU and RAM are the two most important components for gaming performance and for $1299 you could get the store version which is top notch in both categaories for what I'd guess is at least $1000 less than what you would pay for an equivalent Sager DTR.
I'm not sure gaming DTR's have the lifespan necessary for upgradeability to be practical (unless you've got money to burn). When manufacturers proprietize their hardware to retain customers at high prices, this is even more true. So a well spec'd machine that you can upgrade at your own risk seems acceptable to me given that by the time you decide to upgrade, you probably wont have much (if any) time left on your warranty anyway.
Having been burnt (pun intended) by a Sager DTR in the past by what many consider to be heat related problems, I'm of the opinion that it's better to get a true mobile proc in a DTR since the performace improvement with a desktop processor is minimal compared to other considerations. In addition, unless you compile a lot of software, or encode media streams, or do other CPU intensive tasks, I think the performance improvements due to CPU upgrades are minimal.