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Tom's Hardware > Forum > CPU & Components > CPUs > [Solved] Which is better at multi-tasking? i3 or phenom 4 core?

[Solved] Which is better at multi-tasking? i3 or phenom 4 core?

Forum CPU & Components : CPUs [Solved] Which is better at multi-tasking? i3 or phenom 4 core?

Best answer from someguy7.

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Is an i3 or a phenom 4 core processer better at multi-tasking? The i3 has hyper threading also known as hyper transfer.

Thanks in advance.

Reply to sidhardtha
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Four REAL cores are always better than two and two hyper-threaded in terms of multi-tasking. ALWAYS. Not necessarily in games or certain applications, but if you're going to be running several things at once, go with the Phenom II/Athlon II X4s.

And, FYI - Hyper-Threading and Hyper-Transfer aren't the same thing. In fact, I've never even heard Hyper-Transfer used except when referring to HTTP.

Reply to dkapke

+1 for the quad-core. Not all applications will be able to make effective use of Hyper Threading.

Reply to Herr_Koos

Herr_Koos wrote :

+1 for the quad-core. Not all applications will be able to make effective use of Hyper Threading.


Hyperthreading should be transparent to the OS and programs - anything that can take advantage of a quad can also take advantage of a hyperthreaded dual. That having been said, the quad is a better choice unless the dual has a significant clockspeed advantage. In other words, I'd take a 3.2 GHz core i3 over a 1.8 GHz Phenom, but if the clock speeds were even remotely close, I'd get the Phenom every time.

Oh, and hyper transfer is not hyper threading. AMD has hyper transport, but that's different too.

Reply to cjl

Yep as said, a true quad is better.

Reply to jimmysmitty

cjl wrote :

Hyperthreading should be transparent to the OS and programs - anything that can take advantage of a quad can also take advantage of a hyperthreaded dual. That having been said, the quad is a better choice unless the dual has a significant clockspeed advantage. In other words, I'd take a 3.2 GHz core i3 over a 1.8 GHz Phenom, but if the clock speeds were even remotely close, I'd get the Phenom every time.

Oh, and hyper transfer is not hyper threading. AMD has hyper transport, but that's different too.



I don't fully agree, and benchmarks will demonstrate this. Hyperthreading uses a specific set of CPU instructions. If the application in question is not able to make use of them, it will not benefit from HT.

Reply to Herr_Koos

or you can look at an i5??

Reply to abdul89

Quads are better for multi-tasking. Brute force power of a quad vs enhanced power of a dual. The Quad wins.

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Reply to lauxenburg
Best answer

The op said multitasking not multi-threaded apps. The Phenom/quad core would be better. But keep in mind some peoples definition of multitasking is very different from the next person. Some folks think running multi taps of browser while playing tunes in winamp and solitaire is multitasking. In that case any modern cpu except the atom will basically be fine. I would still opt for the phenom no matter what at this point in time though.

Reply to someguy7

someguy7 wrote :

The op said multitasking not multi-threaded apps. The Phenom/quad core would be better. But keep in mind some peoples definition of multitasking is very different from the next person. Some folks think running multi taps of browser while playing tunes in winamp and solitaire is multitasking. In that case any modern cpu except the atom will basically be fine. I would still opt for the phenom no matter what at this point in time though.

Thank you for replying :)

Reply to sidhardtha

sidhardtha wrote :

Thank you for replying :)

I meant to say, Thank you all for replying. :)

Reply to sidhardtha

Herr_Koos wrote :

Hyperthreading uses a specific set of CPU instructions.



No, it doesn't. Hyperthreading runs the same instructions on a virtual CPU core rather than a real one; only the OS needs to worry about where it assigns threads, the programs don't care.

Reply to MarkG

Herr_Koos wrote :

Hyperthreading uses a specific set of CPU instructions. If the application in question is not able to make use of them, it will not benefit from HT.



Theoretically a poorly optimized multi-threaded application, which takes less time and effort to write, will benefit the most with hyperthreading.

Other than the work needed to add the multi-threading nothing else is needed to support hyperthreading. (No specific CPU instructions.)

OTOH: well optimized multi-threaded applications will not benefit very much from hyperthreading but would definitely benefit from having more real cores; in fact having virtual cores can be detrimental to well optimized applications.

Reply to keithlm
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