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i7 980X + RAM or FX-8350 - Page 10

post #91 of 101
Quote:
Originally Posted by DaveLT View Post

No you don't get my point. Hyperthreading(SMT) doesn't work far as well as AMD's CMT does. Well the only reason why the 980x is far faster is that it's single thread is way way way superior
AMD's CMT scales pretty much about 100% while Intel's HT improves about only 10-15%

HT is supposed to enable all areas of a core to be loaded no matter what, it was never designed nor advertised as being able to offer silly increases in performance.

And AMD's CMT scales 100%? What a load of tosh.... Because of how the module system in the FX chips works with them sharing parts of the core they'll never scale 100%.
post #92 of 101
Quote:
Originally Posted by almighty15 View Post

Quote:
Originally Posted by DaveLT View Post

No you don't get my point. Hyperthreading(SMT) doesn't work far as well as AMD's CMT does. Well the only reason why the 980x is far faster is that it's single thread is way way way superior
AMD's CMT scales pretty much about 100% while Intel's HT improves about only 10-15%

HT is supposed to enable all areas of a core to be loaded no matter what, it was never designed nor advertised as being able to offer silly increases in performance.

And AMD's CMT scales 100%? What a load of tosh.... Because of how the module system in the FX chips works with them sharing parts of the core they'll never scale 100%.
this...
post #93 of 101
Quote:
Originally Posted by Marshock View Post

It's ok.

The Core i7 980X is a SIX CORE CPU, and therefore requires significantly more voltage to run at 4,5 GHz when compared to a QUAD CORE CPU like Core i7 975. An overclock of 1 GHz on such CPU is already an impressive feat! I would not overclock the Core i7 980X beyond 4 GHz anyway - keeping 1,42 V is asking for trouble! You do not need 4,5 GHz! Nothing will lag anyway on this CPU...

Oh, don't worry, I'm at a standard simple bclk overclock at 160. So Turbo and EIST still operates within normal parameters. Voltage is around 1.34V under load.

( Watercooled of course ) It just sucks that many people that are on a different batch can hit 4.2-4.5ghz stable with no issues at under 1.4v. My QPI / UNCORE is tweaked for maximum performance though. I could do 2200mhz with 3x2GB PSC's =)
Quote:
Originally Posted by DaveLT View Post

No you don't get my point. Hyperthreading(SMT) doesn't work far as well as AMD's CMT does. Well the only reason why the 980x is far faster is that it's single thread is way way way superior
AMD's CMT scales pretty much about 100% while Intel's HT improves about only 10-15%


SMT is actually pretty effective if you do not load each thread @ 100%, 8 threads each at around 50-75% will give you better performance than 4 physical cores @ 100%. I'd like to think CMT 2 threads = 1.25-1.5 actual cores, vs SMT 2 threads = 1 actual core, although with a good scheduler for parallel computing.
Edited by cookiesowns - 4/21/13 at 7:22am
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post #94 of 101
Quote:
Originally Posted by almighty15 View Post

HT is supposed to enable all areas of a core to be loaded no matter what, it was never designed nor advertised as being able to offer silly increases in performance.
if you are multi-tasking then you won't see a performance increase.. using each core.. u know? but if you are using a program that is heavily threaded you will see performance increases overall. The point of HT was to give the user stability and responsiveness while running multiple applications...
    
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post #95 of 101
Quote:
Originally Posted by thorian88 View Post

if you are multi-tasking then you won't see a performance increase.. using each core.. u know? but if you are using a program that is heavily threaded you will see performance increases overall. The point of HT was to give the user stability and responsiveness while running multiple applications...

No the point of HT was to enable as close to 100% core utilization as possible in all situations and scenarios thus increasing chip efficiency, that's why HT increases a chips heat out put, because more of the core is being used and thus generating heat.
post #96 of 101
Another one for the 980X. I would be prepared to trade my 3570k + Z77E-ITX for that chip. I dreamt of buying that chip for months.
     
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post #97 of 101
Quote:
Originally Posted by DaveLT View Post

980x uses more but 8350 is truly a fully scalable 8 core. Intel's HT 8 threads doesn't scale no where near at all as well
um the 980x is a hexacore. so 6 cores+HT= 12 threads just sayin
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post #98 of 101
Quote:
Originally Posted by Jimbags View Post

um the 980x is a hexacore. so 6 cores+HT= 12 threads just sayin
I know tongue.gif Just in comparison between a 920 (or something else) and a 8350
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post #99 of 101
Quote:
Someone is offering a i7 980X + G. Skill F3-16000CL8-2GBPS PerfectStorm for 300€, which I could use with my LGA1366 brand new board. So buy that and give my dad my stuff.

That sir, is a steal and the choice i would go. Thats like 250 GBP for some serious power. Also, Gratz on the motherboard, its a beast.
post #100 of 101
Quote:
Originally Posted by almighty15 View Post

No the point of HT was to enable as close to 100% core utilization as possible in all situations and scenarios thus increasing chip efficiency, that's why HT increases a chips heat out put, because more of the core is being used and thus generating heat.
have you never read what HT is and how it operates? I quoted intel's faq btw. And in all honestly, you keep repeating exactly what I said in different words but don't realize it. 100% core utilization... so when you are using a program that can take more instructions from multiple threads... the core is working more efficiently.. and thus giving more responsiveness and stability to multiple/single program/s. And, technically, it is a performance increase compared to less threads / core efficiency used. So you see? I'm not wrong.. and you just like to argue. Note the difference in programs that are HT friendly gaining positive performance increases. HT friendly / programs that can schedule more than 1 thread per count core.
Edited by thorian88 - 4/22/13 at 7:39pm
    
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