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izhamizan

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#1 izhamizan

Member since 2005 • 35 Posts

anyone could explain wat is the different's between the intel's technology?

i tried googling it up..

but all i get is all more comp meet's another comp profesional it..

so i dun understand wat they meant..

i'm a noob in pc.. so anyone could kindly explain would really do a good favour to me..

thanks... all comments are really appreciated..

and i'm using E2180 intel dual core 2.0ghz..

was wondering how could i fully use my processor..thanks..

game on!!!!;)

16 years ago

Daytona_178

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#2 Daytona_178

Member since 2005 • 14962 Posts

Hyper Threading makes 1 physical core act like 2 logicla cores thus making a single core a sort of dual core.

16 years ago

XaosII

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#3 XaosII

Member since 2003 • 16705 Posts

They are two completely unrelated technologies. Speedstep changes the speed of the processor on the fly depending on how much processing it is doing (or rather, not doing). If the CPU isn't being fully utilized it throttles down its speed to still provide acceptable performance but not waste so many clock cycles being idle. A CPU that is idle will still consume a fair bit of power, so lowering its speed reduces its power consumption. While not very useful for home users, that can add a fair bit of battery life to laptop owners. Hyperthreading is... well, in an oversimplified description: Its a technique that Intel added to their processors to attempt to perform two operations (threads) at the same time. It does not have the actual hardware capabilities to do this but instead uses a clever queuing mechanism to make it seem like it is performing two operations simultaneously. In practice Hyperthreading gave almost no performance gain and often times gave worse performance by a slight margin. Its little more than Intel blowing hot air. Be aware, that your dual is two actual physical cores that can perform two independent operations. Each core can have Hyperthreading technology making it "capable" of doing 2 operations at the same time on both cores for 4 operations simultaneously.... But not really. Your two physical cores will each do one operation independently.

16 years ago

izhamizan

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#4 izhamizan

Member since 2005 • 35 Posts

thanks man.. so ur saying is that i can convert or burn dvd's and play game at the same time? but if i start a burning or convert a video.. my cpu usage is most likely to be 100%.. it's kinda impossible to run game and do other thing's in the same time rite? or am i not doing it the wrong way? sorry too be really a noob...

thanks for ur explanation..

thanks again...

ur explanation made it simplier then wat i googled up earlier..

16 years ago

XaosII

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#5 XaosII

Member since 2003 • 16705 Posts

Hmmm... You are thinking a bit too high level. A CPU can only do one thing at one time. For example, when you are looking at a clock and you see it update to the next second, your entire computer just stopped - completely - in order to update the time to display the next second. A computer can only do one task at any one time. However, you computer can do these tasks so fast, that it'll update the time in 1/1000th of a second. You'll never perceive that delay. With multiple cores or if Hyperthreading worked the way it's supposed to, it can use one core to update the time and another core to, say, update your mouse cursor's movement. On a single core, your PC would have had to stop to do either of those tasks, when it can now them both at the same time! So while yes, you can burn a DVD and play a game at the same time and get better performance out of a dual core, the effects of multiple CPU's are not limited to separate applications. And not, its not really impossible to play a game and do something else. In fact, sometimes i run and play two games at the same time in Windowed mode. I run and play WoW and Civ 4.... Play a few turns while i'm on a gryphon flightpath or waiting for group members to show up :p

16 years ago

-kaz3-

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#6 -kaz3-

Member since 2006 • 7372 Posts

[QUOTE="XaosII"]They are two completely unrelated technologies. Speedstep changes the speed of the processor on the fly depending on how much processing it is doing (or rather, not doing). If the CPU isn't being fully utilized it throttles down its speed to still provide acceptable performance but not waste so many clock cycles being idle. A CPU that is idle will still consume a fair bit of power, so lowering its speed reduces its power consumption. While not very useful for home users, that can add a fair bit of battery life to laptop owners. Hyperthreading is... well, in an oversimplified description: Its a technique that Intel added to their processors to attempt to perform two operations (threads) at the same time. It does not have the actual hardware capabilities to do this but instead uses a clever queuing mechanism to make it seem like it is performing two operations simultaneously. In practice Hyperthreading gave almost no performance gain and often times gave worse performance by a slight margin. Its little more than Intel blowing hot air. Be aware, that your dual is two actual physical cores that can perform two independent operations. Each core can have Hyperthreading technology making it "capable" of doing 2 operations at the same time on both cores for 4 operations simultaneously.... But not really. Your two physical cores will each do one operation independently.

The new i7 cores apparently have good hyperthreading performance.

16 years ago

izhamizan

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#7 izhamizan

Member since 2005 • 35 Posts

thanks man..

now i know wat u mean.. thanks for the explanation....

i'm more in burning dvd's and playing game like COD5 and Dead Space.. so i guess the pc requires quite alot of work once in a while.. was planning to get my cpu oc'ed but thinking the lack of cooling system i have.. i decided to just oc my gpu...

getting a fair decent graphic and fps for a 8500gt on sume games..

thanks btw for the explanation again.. u really helped alot..

game on!!

16 years ago

izhamizan

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#8 izhamizan

Member since 2005 • 35 Posts

yea the i7 looks cool despite the high price tag on it..

not affordable for me tho'.. hehe...

broke as hell...

16 years ago

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