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Intel Core i5-2500K vs i7-2600K Comparison and Benchma

Intel Core i5-2500K vs i7-2600K by Starred Reviews

The core i5-2500K is a quad core 3.30 GHz part while the core i7-2600K is quad core 3.40 GHz part. The Hyperthreading in Core i5-2600k gives it some boost with respect to core i5-2500K. Obviously, the core i7-2600K is significantly faster than the core i5-2500K. The K Suffix in the 2nd generation core processor indicates that they have overclocking features enabled in them.

In the Table below we have presented the feature and benchmark comparison of the two processors.

Table : Intel core i5-2500K Vs Core i7-2600K

SL. No.
Core i5-2500K Core i7-2600K
Clock Frequency 3.1 GHz 3.4 GHz
Number of Cores 4 4
Number of (Hyper) Threads 4 8
Turbo Boost Clock 3.7 GHz 3.8 GHz (With Single core)
Price $216 $317
Passmark 6400 9278
TDP Rating 95 Watts 95 Watts
Smart Cache ( L3 Cache) 6 MB 8  MB

The Core i7-2600K is significantly faster than the core i5-2500K as dictated by the passmark score.  Whether you should pay premium for i7 or not will depend upon your requirement.

Sources :

Core i5-2500K specification http://ark.intel.com/Product.aspx?id=52210

Core i7-2600K specification http://ark.intel.com/Product.aspx?id=52214



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  1. Mathew
    May 12th, 2011 at 18:42 | #1

    Overclocking in the normal non K processors have become difficult. The main reason – the processor, integrated gpu, the memory and the DMI bus will be deriving the clock from the same basic clock. Overclock the basic clock and you are clocking everything. If one of the overclocked item fails – you are gone.

    That is where the K part comes in. You do not change the base clock, you change the multiplier. As you change the multiplier, you only change the CPU clock frequency – and that is officially allowed by Intel using the setting in BIOS.