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Why get an i5-2500K if you have a video card?

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February 19, 2012 11:20:13 PM

Long time PC-builder who is not used to CPU's having integrated graphics. A site dedicated to making gaming rigs recommended pairing an i5-2500K with a EVGA GeForce GTX 550 Ti (1GB). Now, avoiding any questions about which video card they've selected, I am wondering why they recommend an i5-2500K.

If the PC will absolutely have a dedicated video card, why get an i5-2500K when I can get an i5-2500 for a bit cheaper? Same speeds and specs, just HD Graphics 2000 vs 3000. For that matter, why not go with a slower i5-2450P or i5-2380P or faster i5-2550K without integrated graphics?

The prices range a bit, considering the clock speeds aren't that far apart...

i5-2380P 3.1/3.4 GHz - $190
i5-2450P 3.2/3.5 GHz - $205
i5-2500 3.3/3.7 GHz - $210
i5-2500K 3.3/3.7 GHz - $230
i5-2550K 3.4/3.8 GHz - $240

Intel comparison: ark.intel.com

More about : 2500k video card

a c 186 à CPUs
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February 19, 2012 11:24:41 PM

Well the answer to your question truely depends on what games you are playing. How games take advantage of the cores and the gpu. The reason why someone would buy a 2500k is becuase you can overclock it. In certain games an i5-2500k running @4.5ghz will achieve 20-30fps over an i5-2500k running @3.3ghz.
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February 19, 2012 11:37:19 PM

amuffin said:
Well the answer to your question truely depends on what games you are playing. How games take advantage of the cores and the gpu. The reason why someone would buy a 2500k is becuase you can overclock it. In certain games an i5-2500k running @4.5ghz will achieve 20-30fps over an i5-2500k running @3.3ghz.


Thanks for the quick response! And based on your sig I see you have a 2500K running at 5.01GHz! But can you actually overclock a 2500K more than a 2500 or a 2550K? Are the lower P processors locked to prevent overclocking, or is it just the usual lower procs not handling the heat as well?

And if the eventual user for this PC is not going to overclock much and will go with a GTX 550 Ti GPU, should they save the dough and go for the 2450P?
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a c 186 à CPUs
a c 109 U Graphics card
February 19, 2012 11:52:32 PM

Don't get the 550ti, the 2500k and 2600k have unlocked multipliers that go all the way up to 57 however the 2500 is a locked cpu and can not be overclocked. THe P processors are made for servers etc and use very low power that is why in some cases they will cost more than a 2500k. However they don't perform as well.
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February 20, 2012 12:08:20 AM

amuffin said:
Don't get the 550ti, the 2500k and 2600k have unlocked multipliers that go all the way up to 57 however the 2500 is a locked cpu and can not be overclocked. THe P processors are made for servers etc and use very low power that is why in some cases they will cost more than a 2500k. However they don't perform as well.


Yeah, mistyped, I meant the 560 Ti...

Thank you for your answer! Just out of curiousity, how do you know the P of the 2380P and the 2450P are intended for servers? Both procs are new as of this quarter, and they supposedly have the same 95W max TDP as the normal or K lines, while the S and T are lower power. Irregardless, I would guess they are not unlocked so will go with a K.
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February 20, 2012 12:08:55 AM

Best answer selected by guinnesspint.
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a c 186 à CPUs
a c 109 U Graphics card
February 20, 2012 12:09:42 AM

Well the P, S, and T are all supposed to have low wattages so I was saying they could be used for servers. Another benefit of the 2500k is you can keep overclocking it a bit more each year to keep up with the new cpu's.
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