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I5-2500k VS i7-2600k Sandy Bridge

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September 29, 2011 7:29:02 PM

Just looking for your opinion and thoughts.

The difference between these two processors is only 0.1 speed, the L3 cache and the i7 has hyper-threading.

Intel Core i5-2500K Sandy Bridge 3.3GHz
Intel Core i7-2600K Sandy Bridge 3.4GHz

The i7 is 100 dollars more in price.

Is hyper-threading that important for performance?
If so, will the performance be noticeable between the i5 and i7?
Is it really worth spending a 100 more (1/3 more in price) for the i7 cpu?







a b à CPUs
September 29, 2011 9:50:09 PM

Go with 2500K.
The performance difference isn't noticeable and absolutely not worth the extra $100.
And no,there are few apps that benefit from HT
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a b à CPUs
September 29, 2011 9:55:18 PM

Maziar said:
Go with 2500K.
The performance difference isn't noticeable and absolutely not worth the extra $100.
And no,there are few apps that benefit from HT

Yes a piece of software has to be written to support HT which isnt well supported.
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September 30, 2011 12:29:13 AM

Great, thanks to both of you for your opinion/advice.
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a b à CPUs
September 30, 2011 1:01:29 AM

They are correct.

No way hyperthreading is worth $100.
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September 30, 2011 4:20:33 AM

I agree, the 100 mhz boost isnt really worth the $100 price difference. For regular users/gamers, etc. However, if you are planning on OC, it is a great core for that and for HT apps, it is excellent. Basically comes down to you as a user, if youre just a gamer/internet/email kinda person, I would buy the 2500K.
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September 30, 2011 4:31:05 AM

mrface said:
I agree, the 100 mhz boost isnt really worth the $100 price difference. For regular users/gamers, etc. However, if you are planning on OC, it is a great core for that and for HT apps, it is excellent. Basically comes down to you as a user, if youre just a gamer/internet/email kinda person, I would buy the 2500K.


but you the feeling after you buy the processor, sometimes you get this " dam i wish i add another 100 bucks which will give me the highest core from intel " feeling.. lol
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September 30, 2011 4:42:39 AM

i7 2600K series unlocked will carry you through the near future when more expensive chips coming out does not really offer all that great of a improvement.

Besides that chip overclocks when it needs to during gaming. Your only concern is to NEVER use the stock cooler.

Remember that i7. The 330 dollar chip that defeated a 1000 dollar Extreme.
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September 30, 2011 4:49:28 AM

x Heavy said:
i7 2600K series unlocked will carry you through the near future when more expensive chips coming out does not really offer all that great of a improvement.

Besides that chip overclocks when it needs to during gaming. Your only concern is to NEVER use the stock cooler.

Remember that i7. The 330 dollar chip that defeated a 1000 dollar Extreme.


This doesn't address the issue of the 2500k.

Its a 10 percent speed increase for an almost 50 percent increase in price. Just isn't worth it.

And no, the 2600k is not faster than the 990X. But it is close enough for $700 less
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September 30, 2011 5:26:46 AM

until now, i even scared to do OC on i7 2600k lol..
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September 30, 2011 5:41:11 AM

Agree fully with x Heavy's 1st sentence.. If the extra ~$100 is not a huge deal, get the 2600k.
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a c 112 à CPUs
September 30, 2011 7:43:30 AM

if your a gamer then theres no sense in it at all. get the 2500k as most games will use a maximum of 3 threads with a 4th set aside to handle things like physics or audio.
if you do music production media or 3d gfx then the 2600k is hard to beat. because in the most part it competes evenly with the 2500k on lots of benches but there are a few areas where the 2600k shows a large gains in performance over its weaker brother. and this is where that extra 100 is well spent...
so yeah for the money in certain situations the 2600k is worth every penny but in others th 2500k is more than ok.
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September 30, 2011 8:16:45 AM

HEXiT said:
if your a gamer then theres no sense in it at all. get the 2500k as most games will use a maximum of 3 threads with a 4th set aside to handle things like physics or audio.
if you do music production media or 3d gfx then the 2600k is hard to beat. because in the most part it competes evenly with the 2500k on lots of benches but there are a few areas where the 2600k shows a large gains in performance over its weaker brother. and this is where that extra 100 is well spent...
so yeah for the money in certain situations the 2600k is worth every penny but in others th 2500k is more than ok.


There is no task I can think of where the 2600K is "worth every penny". Even in things that benefit from hyperthreading. The difference is just so marginal.

Unless your a video rendering pro, where a few saved seconds might actually be meaningfull, I just don't think its worth it. You wont even notice the difference unless you run a benchmark.
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September 30, 2011 9:22:52 AM

what a hyperthreading?
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September 30, 2011 9:45:02 AM

If you have the money, go for the 2600K because saying "I've got an i7" sounds a lot cooler than "I've got an i5". :D 
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September 30, 2011 10:02:43 AM

pckitty4427 said:
If you have the money, go for the 2600K because saying "I've got an i7" sounds a lot cooler than "I've got an i5". :D 

this!
I mean no one really will say proudly "I got a cool i5 xxxx" girls dont dig it.

But if your really budget conscious then we have to go with i5 2500k.In actual fact you wont see benefit in most apps when you have i5 2500k compared to i7 2600k
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a b à CPUs
September 30, 2011 1:52:14 PM

I'm a 2600k owner. I say that it doesn't worth to spend more money to get it. Just stick with a 2500k.

So u would ask, "Whadda hell! Why u bought a 2600k?"
Answer: "Just to brag"
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September 30, 2011 2:50:07 PM

mrfaces said:
Just looking for your opinion and thoughts.

The difference between these two processors is only 0.1 speed, the L3 cache and the i7 has hyper-threading.

Intel Core i5-2500K Sandy Bridge 3.3GHz
Intel Core i7-2600K Sandy Bridge 3.4GHz

The i7 is 100 dollars more in price.

Is hyper-threading that important for performance?
If so, will the performance be noticeable between the i5 and i7?
Is it really worth spending a 100 more (1/3 more in price) for the i7 cpu?

like always it depends on what you are wanting to use the system for - in general terms the difference in everyday tasks is negligable
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September 30, 2011 3:49:40 PM

if budget is not your concern nd you are going to use it for 3d gfx go for 2600k. moreover it will be future-proof. if you are a gamer go for 2500k because the performance difference is very less. Also you will have to pay 100$ less
Save your 100$ for your next upgrade lols :) 
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September 30, 2011 5:55:31 PM

akataria7 said:

Save your 100$ for your next upgrade lols :) 


Exactly! There are so many better things to spend that 100 bucks on. Unless you have money to blow, put it somewhere else.
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September 30, 2011 10:27:05 PM

100 dollars does not buy much these days. I say use it towards your CPU being future proof.
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September 30, 2011 10:29:58 PM

i say, 100 bucks in my country is already wow for some people haha
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September 30, 2011 10:30:48 PM

pckitty4427 said:
If you have the money, go for the 2600K because saying "I've got an i7" sounds a lot cooler than "I've got an i5". :D 


+1 fosho :D 
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a b à CPUs
October 1, 2011 4:11:54 AM

x Heavy said:
100 dollars does not buy much these days. I say use it towards your CPU being future proof.


Buying a 2600k over a 2500k is not making it future proof.

Its only 10% faster. The difference is negligible. Its $100 so the MP4 encode you left alone to process finishes a couple of minutes early while your eating dinner or sleeping.

$100 should bring a substantial performance increase. It just doesn't here.

If you want to waste money, just buy the 990x at $1000. Its a great chip, but its only marginally faster than the 2600K. Come on "Future proof" your rig!!!!





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October 1, 2011 4:23:25 AM

FALC0N said:
Buying a 2600k over a 2500k is not making it future proof.

Its only 10% faster. The difference is negligible. Its $100 so the MP4 encode you left alone to process finishes a couple of minutes early while your eating dinner or sleeping.

$100 should bring a substantial performance increase. It just doesn't here.

If you want to waste money, just buy the 990x at $1000. Its a great chip, but its only marginally faster than the 2600K. Come on "Future proof" your rig!!!!

Its called the principle of diminishing returns.
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October 1, 2011 5:13:34 AM

ghnader hsmithot said:
Its called the principle of diminishing returns.


I couldn't have said it better myself.

The $220, I5-2500k is 50% faster than the i3-2100 ($100 less) and has an unlocked multiplier. That is worth $100.

A 10% speed increase for $100 is NOT worth it.

Diminishing returns.

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October 1, 2011 7:44:04 AM

FALC0N said:
I couldn't have said it better myself.

The $220, I5-2500k is 50% faster than the i3-2100 ($100 less) and has an unlocked multiplier. That is worth $100.

A 10% speed increase for $100 is NOT worth it.

Diminishing returns.


+1 agreed.
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October 1, 2011 7:59:04 AM

magicvipre said:
+1 agreed.


ya i also think that i5 is worth it
I5 2500K RULES!!!!!!!!!
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October 1, 2011 9:24:03 AM

akataria7 said:
ya i also think that i5 is worth it
I5 2500K RULES!!!!!!!!!


back to what i say, after few weeks u probably think, darn i wish i add another 100 bucks, i got the top line of i7 hahaha
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October 2, 2011 6:30:06 PM

hello bro if you want real gaming machien then the intel core i5 will be the best and could run alot of serious games try this page
ark.intel.com/products/52210
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a b à CPUs
October 3, 2011 6:22:02 AM

I'd say get the 2500K and spend the rest on a beast heat-sink so it will overclock like a dream.
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October 3, 2011 6:56:04 AM

jdwii said:
I'd say get the 2500K and spend the rest on a beast heat-sink so it will overclock like a dream.

I would say get the i7.
No matter what budget.

I always had kinda of something different about it.Such that even though i buy the best bang of the buck i feel that in the end i should have bought best performing cpu.
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October 4, 2011 8:34:15 PM

ghnader hsmithot said:
I would say get the i7.
No matter what budget.

I always had kinda of something different about it.Such that even though i buy the best bang of the buck i feel that in the end i should have bought best performing cpu.


I am the opposite.

A year later, when my $300 cpu (or its performance equal) is selling for $90 , I alway feel like I threw $200 away. Never felt like I overspent on a $99 part.
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October 4, 2011 9:12:02 PM

My E8400 is $179.99 at Newegg today. Moved $10 I think. History suggests that for Intel, Falcon, it's not going to drop very much at all. I'd get the i5 too because I don't want to feel like I threw away $100.00 NOW. UNLESS that $100.00 buys you a feeling, as other suggested, that is worth it to you. I don't go to Atlantic City or Vagas. That feeling, for example, is not worth $100.00 to me.

Edit: I take that back. for Vagas et al, it's worth $100.00. BUT who spends Just $100.00 lol!
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a c 188 à CPUs
October 4, 2011 9:33:47 PM

The difference between the Intel® Core™ i7-2600K and the Intel Core i5-2500K really come down to what you are going to be doing with the computer. If you are looking to game with the system without question go with Intel Core i5-2500K. The reason why is right now with games very few of them will take advantage of more than 3 threads. Because of this the hyper-threading on the Intel Core i7-2600K has very little value in gaming. That leaves the difference between the Intel Core i7-2600K and the Intel Core i5-2500K at 100Mhz and 2MB of additional cache. Not really worth a $100.

Now if you are going to be doing some audio/video creation or some other heavily multi-threaded appication you will find that the differences between these processors do make a difference in preformce in those types of solftware.

Christian Wood
Intel Enthusiast Team
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October 4, 2011 9:38:46 PM

IntelEnthusiast said:
The difference between the Intel® Core™ i7-2600K and the Intel Core i5-2500K really come down to what you are going to be doing with the computer. If you are looking to game with the system without question go with Intel Core i5-2500K. The reason why is right now with games very few of them will take advantage of more than 3 threads. Because of this the hyper-threading on the Intel Core i7-2600K has very little value in gaming. That leaves the difference between the Intel Core i7-2600K and the Intel Core i5-2500K at 100Mhz and 2MB of additional cache. Not really worth a $100.

Now if you are going to be doing some audio/video creation or some other heavily multi-threaded appication you will find that the differences between these processors do make a difference in preformce in those types of solftware.

Christian Wood
Intel Enthusiast Team

Honest.
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October 5, 2011 4:32:25 PM

yeah there is not major difference betweem these two system but i7 2600k is hyperthreading
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July 21, 2012 9:53:32 AM

This topic has been closed by Mousemonkey
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