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Windows 7: AMD’s new 5GHz chip runs so hot it ships with watercooling

02 Jul 2014   #21
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

AMD is going backwards.
8 cores whether real or not in a AMD system create a huge amount of heat because of the watts.
The rest of the world looks at Intel and sees it beating AMD with a lot less watts and heat.
Either company can stack a bunch of cores together and shove a bunch of volts at them. That is going backwards to what the computing world is looking for.
Can you imagine banks of these AMD chips used by Microsoft or Google or any large corporation. You would have to bring back the Ice Age to cool the building they are in.
The computing world wants more horse power in their computer chip but insist that it use less fuel.
That's called going forward.


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03 Jul 2014   #22
computergeekguy

7 home premium 64 bit
 
 

Quote:
The rest of the world looks at Intel and sees it beating AMD with a lot less watts and heat.
Either company can stack a bunch of cores together and shove a bunch of volts at them. That is going backwards
Exactly
Otherwise (if I didn't care about heat/power consumption) I would just buy a mother board that could support dual cpu's. I know they are out there (although they're more on the server side). That way I would have true 8 cores.



How do dual cpu systems work? Do they just act like 1 cpu with extra cores? Dual graphics card put in sli?
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03 Jul 2014   #23
paulpicks21

Windows 7 Professional 64 bit
 
 

Not sure on that. But there is a true 8 core 16 thread Intel coming in September.

Intel Core i7-5960X, Core i7-5930K and Core i7-5820K Haswell-E CPUs Specs Out
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03 Jul 2014   #24
Indianatone

Windows 7 x64 Ultimate and numerous virtual machines
 
 

And reading the spec the wattage of those CPU's is 140W. When they are overclocked they will be approaching 200 Watts. How come everyone knocks AMD 5GHZ CPU for that? I don't overclock my FX 8350 and 8320 and they are rated at 125W and my PC's are as fast as hell.
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03 Jul 2014   #25
logicearth

Windows 10 Pro (x64)
 
 

Thats not how TDP works, Indianatone.

https://en.wikipedia.org/wiki/Thermal_Design_Power
Quote:
The thermal design power (TDP), sometimes called thermal design point, refers to the maximum amount of heat generated by the CPU, which the cooling system in a computer is required to dissipate in typical operation. Rather than specifying CPU's real power dissipation, TDP serves as the nominal value for designing CPU cooling systems.
As it is, these processors (SB-E, IB-E, HW-E) from Intel always have a higher end TDP design versus the normal consumer line. Part of that is their Server lineage, made for workstations at home, and the enthusiast market. Those higher TDPs allow greater overclocks because they are designed to handle 140+ watts of heat. (As long as you have a good cooling system.)

I am hoping AMD get's their act back together now. They brought back the guy responsible for the Phenoms.
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03 Jul 2014   #26
Indianatone

Windows 7 x64 Ultimate and numerous virtual machines
 
 

Quote   Quote: Originally Posted by logicearth View Post
Thats not how TDP works, Indianatone.

https://en.wikipedia.org/wiki/Thermal_Design_Power
Quote:
The thermal design power (TDP), sometimes called thermal design point, refers to the maximum amount of heat generated by the CPU, which the cooling system in a computer is required to dissipate in typical operation. Rather than specifying CPU's real power dissipation, TDP serves as the nominal value for designing CPU cooling systems.
As it is, these processors (SB-E, IB-E, HW-E) from Intel always have a higher end TDP design versus the normal consumer line. Part of that is their Server lineage, made for workstations at home, and the enthusiast market. Those higher TDPs allow greater overclocks because they are designed to handle 140+ watts of heat. (As long as you have a good cooling system.)

I am hoping AMD get's their act back together now. They brought back the guy responsible for the Phenoms.
OK Cool Pun intended, thanks for clearing that up. Still mine are both rated at 125W even if I overclocked them to 4.5Ghz?
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09 Jul 2014   #27
smarteyeball

 
 

I found this interesting. It helped explain to me explain why AMD can call their 8 cores "8 cores' even though they aren't really quad cores with hyperthreading either.

[Discussion] AMD's "Module" Architecture: The FX 8350 is not a Quad-Core. : buildapc

Quote   Quote: Originally Posted by Article Highlights
Bulldozer differs from a “traditional” core microarchitecture in that it pairs cores together in “modules” to share several key features of a traditional core.

The module contains two “traditional” integer cores, each with its own scheduler and L1 data cache. This is partly where AMD gets away with calling their 8350 an 8-core CPU.

This is a big one. Modules are not like Hyperthreading. These modules are not dual-threaded cores, they are CPU building blocks that have two cores inside them. Hyperthreading works by taking the resources of a single core and running two threads through it, and each thread takes a significant hit to performance compared to if they were executed on separate cores.

It'd be really interesting to see software/OS purpose built to take advantage of the architecture.

So in a way it's not really so much that AMD chips suck vs intel, it's just that Windows is optimised around intel styled architecture.
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09 Jul 2014   #28
carwiz

Windows 7 Pro-x64
 
 

Quote   Quote: Originally Posted by paulpicks21 View Post
Not sure on that. But there is a true 8 core 16 thread Intel coming in September.

Intel Core i7-5960X, Core i7-5930K and Core i7-5820K Haswell-E CPUs Specs Out
I believe that's also the models that will have the new Iris Pro HD integrated video "chipset" that will offer specs comparable to the current upper mid-range video cards. The Pro series HD will be off-loaded from the CPU and contained on it's own module or chipset. Look for some blazing speeds on the new boards too; including DDR4.

By the way, Intel has been making 50-core CPUs for years.
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10 Jul 2014   #29
logicearth

Windows 10 Pro (x64)
 
 

Quote   Quote: Originally Posted by carwiz View Post
I believe that's also the models that will have the new Iris Pro HD integrated video...
No, not those processors, they lack the integrated graphics cores. Purely CPUs for the Haswell-E line. Same as it was for the SandyBridge-E and the IvyBridge-E, no integrated graphics.

But they will use DDR4 memory modules.
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10 Jul 2014   #30
carwiz

Windows 7 Pro-x64
 
 

You're right. I was thinking of the Broadwell models coming out soon.
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