Heat - AMD vs. Intel Quad Cores (Full Version)

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InfoCentral -> Heat - AMD vs. Intel Quad Cores (8/23/2008 1:15:57 PM)

Does anyone know if the AMD Quad Cores have the same heat generation problems as the Intel do? I'm thinking I could extend the life of my full tower if it doesn't require the massive side fans like the Intels do. That would give me more time to get the Intel system built.



iluvatar -> RE: Heat - AMD vs. Intel Quad Cores (8/23/2008 1:36:29 PM)

Do Intels require a massive side fan? We've got an 8-core Mac Pro at work w/ no side fan.

-Dan.



InfoCentral -> RE: Heat - AMD vs. Intel Quad Cores (8/23/2008 2:23:47 PM)

And massive cpu fan and heatsink. There are even heatsinks on the memory chips. Heat seams to be a hough problems with running the new systems. It seams like we are going back to the beginning where we needed the computer to be in a refrigerated room to avoid crashing or destroying the components.



figmentPez -> RE: Heat - AMD vs. Intel Quad Cores (8/26/2008 2:08:19 PM)

quote:

ORIGINAL: InfoCentral

There are even heatsinks on the memory chips.


The only memory modules with heatsinks are high-end choices that are intended for overclocking or looking good through a case window. Mainstream memory that runs at stock speeds will just be bare chips.

quote:

And massive cpu fan and heatsink.


Stock heatsinks really aren't that big. There are quite a few gigantic options out there if you want a quieter rig, or if you want to overclock, or if you know you'll be running in a hot environment (I went for a larger than normal heat-pipe cooler for my recent build, because we keep our house at 79-80°F during the summer, and I might I want to try overclocking at some point.)

Generally speaking, if you're going to be running at stock speeds, and you don't have an unusually cramped case or other hot components (multiple 10K HDDs, SLI/Crossfire graphics cards, etc.) then the stock heatsink is going to work just fine, and not require any unusual case ventilation.

quote:

Does anyone know if the AMD Quad Cores have the same heat generation problems as the Intel do?


I'm not sure what heat generation problems you're talking about, unless you're referring to the dual-core Pentium 4 chips that preceded the Core line of processors.

As to which quad core is cooler, that will depend greatly on the specific models being compared. Although the heat generated by a processor can vary a fair bit even between individual chips, generally the TDP (Thermal Design Power) is probably accurate enough.

AMD's Phenom's have TDPs from 65Watts to 140W, while Intel's offerings range from 95W up to 150W. The two companies may have different standards for measuring the thermal needs of their processors though. Keep in mind that the only quad core Intel processors to claim more than that base 95W are also "Extreme" chips costing $1,000 or more, while AMD has a $210 chip that hits 125W.

Are you even sure you need a quad core system? Very few programs, even games, show significant benefit from quad cores, even at identical clock speeds. Dual core processors are a lot more practical for most users right now.



InfoCentral -> RE: Heat - AMD vs. Intel Quad Cores (8/26/2008 11:58:32 PM)

Yep, I do animation so I am in that small group of people who need the fastest CPU with multiple cores and maximum memory with the fastest speeds and of course SLI with multiple GPUs. Yep, heat is a problem as my computer room is hot already. And yes my programs do address multiple cores so all four will be used when rendering.



rlj -> RE: Heat - AMD vs. Intel Quad Cores (8/29/2008 1:58:43 PM)

The only real bad Intel chips I can think of (FigmentPez correct me if I'm wrong) were the Prescott core pentiums and usually only when you got close to the 3ghz + mark. For these you wanted to have a TAC case with good airflow going through it. The kids are using one now on an intel d865PERL MOBO and it runs way hot in a decent case.(When the CPU exceeds 70 C it's time to get the canned air out) A bunch of the capacitors were put next to the CPU so it displaces the heat like mad and I was forced to use heat spreaders on the memory because of this and everything runs at stock. I always use heat spreaders just so I don't ever have to go back in again and change it later on.

The fan size shouldn't be a big deal though on the quad cores though it couldn't hurt to do some homework first. The only CPU's I can think of that didn't run fine on stock heatsink were the 2.8ghz + Prescotts that shipped with an aluminum heatsink/fan combo. I use stock unless the stock is all aluminum then I get a cheap copper instead though the temps on my wife's 6850(2.83 core 2 duo) are absurdly cool on the el-cheapo brand stock heat sink. I don't overclock because by the time you get the case, cooling, better ram, etc. to overclock with you just could have bought a faster system in the first place.

Well, the old Cyrix chips were real nasty for heat but national semiconductor put the axe to them.



InfoCentral -> RE: Heat - AMD vs. Intel Quad Cores (8/31/2008 5:46:14 AM)

I almost forgot about those Cyrix chips. They didn't last too long in business.

Well, I finally decided on my new system and made the big plunge. I am still shocked at how much this new Intel machine cost me. When everything is totaled up it comes to about $1500 and I have to install everything. The only cpu's they had left were open box and that makes me nervous. I only have 14 days to return so I have to hop on the assembly process asap. I bought half the system from the computer store and half online from newegg.com which has gotten praises from its customer base.

BTW, quite a few users stated they would recommend putting a fan on the NB. What is a NB? I'm thinking it is the bios chip???



rlj -> RE: Heat - AMD vs. Intel Quad Cores (8/31/2008 5:13:35 PM)

I would pass before I ever would buy an open box CPU. That sounds like some numbskull tried to Overclock it and didn't like the GHZ so they sent it back. :X

NB is the Northbridge which is part of the "chipset". If you run at stock chances are this is cooled just fine if the case is decently cooled.



InfoCentral -> RE: Heat - AMD vs. Intel Quad Cores (9/1/2008 1:35:45 AM)

quote:

ORIGINAL: rlj

I would pass before I ever would buy an open box CPU. That sounds like some numbskull tried to Overclock it and didn't like the GHZ so they sent it back. :X


Exactly what I was thinking. This is why I need to test it out myself quickly. If I get the same results back it goes. The guy at the Fry's said because it was an open box there would be no questions asked if I wanted to return it. I am really hoping it works out as I got the Q9450 for $269 and at that the store was taking a loss.

Or the system started running too hot and he thought the problem was the cpu.



InfoCentral -> RE: Heat - AMD vs. Intel Quad Cores (9/7/2008 9:38:47 AM)

OK, received and install all components. Now I need to boot it up and install WinXP, drivers, etc. Any pointers at this point? I have everything installed, including the new HD which I guess needs to be formatted before even WinXP can be loaded, then the motherboard drivers, the video card drivers, the bios needs to be flashed asap according to reviewers and I only loaded a single 2 meg memory as told to do this when installing and then add the second 2 meg or else it won't register. Something good about reading what reviewer have to say. I think I'll do this after church this morning.



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