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i5-2500k vs i7-2600k - Page 2

post #11 of 83
Quote:
Originally Posted by jemping View Post
From what I heard, please correct me if I am mistaken, if you OC i5 2500k up to certain point, 2 of the core will be disabled which results in you running 2 core on your OC clock, while i7 2600k will retain all 4 cores from OC.
No. Unless you've got literature to back that up, what you "heard" is flat out wrong.

Rakhasa: If you had no use for Hyperthreading, why on earth would you regret it? Not everyone is buying CPUs for their e-peen status.
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post #12 of 83
Thread Starter 
So i5 for video editing?

Quote:
As mentioned above, the Core i5-2500K lacks Hyper Threading, which is the main difference between it and the slightly faster, yet more expensive, Core i7-2600K Sandy Bridge chip.

http://compreviews.about.com/od/cpus...e-i5-2500K.htm
Quote:
For things such as video encoding/decoding, Photoshop, Folding@home, 3D modeling, or other tasks, the 2600K will come out on top. In a gaming setting, they perform about equally. I believe the overhead to overclock is also much larger on the 2600K.

http://www.hupitgaming.com/forum/16-...0k-vs-i5-2500k
I want your opinions though too!
Edited by HOTDOGS - 3/18/11 at 7:31pm
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post #13 of 83
I would suggest an i7, but if you are totally sure you aren't going to need one, go for the i5.
I bought an i7 because I was unsure of what I would be doing in the future. My interest wanders, and I'd hate to have an i5 when I knew I should have gotten an i7. It's a gamble, really. It may or may not pay off.
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post #14 of 83
All I ask is if you decide to buy a 2600K, don't be an idiot and disable HT just for a higher OC. If you're going to disable it the 2500K will suit the needs of most people.
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post #15 of 83
Quote:
Originally Posted by Rakhasa View Post
If you have the money, why not go i7 2600k? Get whichever satisfies you 100%, if you get an i5 and find yourself wondering or thinking man I wish I got that i7, even if I have no use for HT.. you're gonna regret

All I know is, HT really helps if your doing heavy rendering or folding.
Only if you are using a program that understands hyper threading.
Depending on what programs you use HT can either give you a slight bonus per core or it can harm your performance.
Its about a 10% performance difference one way or the other depending on the program.

I would get the i5. Im doing a lot of video work and an i5 @ 4.5 will fly through anything I throw at it. Ive got $300 set aside in case the i5 ends up not being fast enough, but that does not seem to be likely at all.
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post #16 of 83
Thread Starter 
Quote:
Originally Posted by PhilWrir View Post
Only if you are using a program that understands hyper threading.
Depending on what programs you use HT can either give you a slight bonus per core or it can harm your performance.
Its about a 10% performance difference one way or the other depending on the program.

I would get the i5. Im doing a lot of video work and an i5 @ 4.5 will fly through anything I throw at it. Ive got $300 set aside in case the i5 ends up not being fast enough, but that does not seem to be likely at all.
Hmmm may I ask what sort of work and progs, so I have a general idea? I don't think anything like FCP, Vegas, After Effects or Photoshop even uses all four cores, correct? Maybe in the rendering stage but I don't know
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post #17 of 83
Quote:
Originally Posted by pioneerisloud View Post
The i5 has an on chip GPU too, so that argument isn't valid.

The biggest difference is Hyper Threading. Which honestly means nothing to 99% of us. Do yourself a favor and save $100 and get the i5.
His point was that the onboard GPU is clocked higher, not that one had it and the other didn't.
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post #18 of 83
The difference between the 2500k and 2600k can be modeled by this equation:

2500K-2600K = 100

Since the K gets canceled out and the diff between the absoulte values of 2500 and 2600 gives a product of 100.

Ok, besides math there is a slight difference in performance. You will be paying $100 to get a little bit more performance. But if you're planning on overclocking then go with the 2500k you can easily push it to beyond stock speeds of the 2600k.
post #19 of 83
WOW! Just get the 2600k and be done with it, and do what ever you want to do with it!
 
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post #20 of 83
Thread Starter 
So basically there is no going wrong with the i7? Is it justified over the i5 for my needs though? The price difference is too much to make just an un-educated decision though, major mixed signals from you all.
Edited by HOTDOGS - 3/18/11 at 8:38pm
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