Laptop CPU/GPU and heating problems.

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IrradiatedFish

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Sep 24, 2010
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Without going into too much detail, I bought a 15" MacBook Pro with an i7 620M and a nVidia 330M 512MB. Personally though, I'm a dedicated Windows user, so as soon as I got the opportunity to, I installed Windows 7 on it.

However, one thing I've noticed since running it is that it's getting unnecessarily hot (even when I'm doing the most simple tasks), and the battery life is substantially lower than I expected it to be. So I boot back into Mac's OS X and I notice that the battery life is better (improved by a fairly substantial 2 hours) and it wasn't heating up quite as much.

The only thing that makes sense to me (albeit I have fairly limited knowledge when it comes to knowing computer hardware in much depth, but I know enough to get myself around without too many issues) is that the Mac OS must be using some sort of software to throttle down the CPU and/or GPU to prevent it from getting so hot. My hypothesis also suggests that this would also explain the battery life, as the computer would be drawing less power (therefore more battery life).

I'm not noticing any performance issues due to overheating (nothing severe at all), it's just simply too hot for comfortable use (on my LAP). And once again, this is during every day routine tasks; nothing hardware demanding like gaming, which would obviously result in higher temperatures.

Basically, I get the feeling that Windows in running the CPU and GPU unessessarily high, and OS X is demonstrating more control over them. Is there any way to put a leash on my CPU and/or GPU safely and without requiring an indepth knowledge of this sort of stuff? (I can follow instructions fine, just don't expect me to be able to feel my way around in the dark without stubbing my toe)

A second minor question too; anyone know any good free CPU/GPU monitors that just sit on the desktop (something that isn't distracting)?

Thanks in advance, Cheers.

(a side note: I need to get some sleep, so, if I don't respond tonight, I'll reply tomorrow, thanks!)
 

Ziadaine_v1legacy

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Apr 11, 2009
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Apple's OS is designed to keep everything in tip-top working shape, so it's probably throttling your CPU so it both lasts longer and doesnt heat up, While Windows is more performance based. Alternativly for heat you could try buying a USB Powered Fan-Desk-Laptop-Mount....thing.

As for monitoring, I assume you mean in the OS on your screen showing the heat etc? just google "CPU monitor for Snow Leopard/Windows 7"
 

IrradiatedFish

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Sep 24, 2010
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Sorry it has taken me so long to post a reply to my own thread (I have been rather busy lately).

Well, from the sounds of things, you two are essentially just confirming my hypothesis. While it's great to have determined that, I'm still hoping that someone may know some software (be it a 'trusted' 3rd-party, or better yet, a built in windows utility I'm unaware of) that may help restrain my hardware a bit.

On the other hand, maybe it's my fault for going with the i7 hahah (but then again, it wasn't THIS bad on OS X).

And another note about a CPU monitor; I know I can just Google one (in fact, I have, but I don't really have the time to sample a whole bunch of them at random from a bunch of unknown sources), but I was hoping for some recommendations from people who have actually used a few. Basically I'm just looking for something lightweight that will quietly run on my desktop and show things such as CPU load, memory usage, etc.; the sort of things you can find in the performance tab in the Task Manager.

Once again, thanks for any suggestions :)