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Intel Core i7-2600K Vs Core i5-2500K

– The Intel’s Core i5-2500K as well as the Core i7-2700K are quad core Sandy Bridge processors.

– The i7-2600K supports Hyperthreading that is not supported by Core i5-2500K.

– The Core i7-2600K has 100 MHz higher base and turbo clock frequency.

– Both these processors are most popular choice of individual system builders as these offer excellent performance, overclocking and good value for money.

– The core i5-2500K is priced at $229 while the Core i7-2600K is priced at $329 ( newegg spot prices). The prices vary time to time and from store to store, but the price indicated in newegg favors core i5-2500K.

Table : Core i7-2600K Vs Core i5-2500K Feature Differences

Feature Core i7-2600K Core i5-2500K
Core Frequency 3.40 Ghz 3.3 GHz
No. Of Cores 4 ( 8 Hyperthreads) 4 ( 4 Hyperthreads)
Cache Organization 8 MB L3 Smart Cache 6 MB Intel Smart Cache
Turbo Frequency 3.8 GHz ( with one core) 3.7 GHz
TDP Rating 95 Watts 95 Watts
64 Bit Support Y Y
Lithography 32 nm 32 nm
Integrated Memory Controller DDR3-1333 DDR3-1333
Integrated Graphics HD Graphics 3000 Base 850 MHz, Turbo 1.35 GHz Yes, Base 850 MHz, Turbo 1.1 GHz


Table : Core i7-2600K Vs Core i5-2500K Benchmarking Comparison

Benchmarks Core i7-2600K Core i5-2500K
PassMark CPU Mark Score
9306 6818
Super Pi 2M (Lower in better)
Not available Not available
3D Mark 06 CPU


6758 6101
Windows 7 Experience Score
7.7 7.6


Some more details of Core i7-2600K

The core i7-2600K is the overclcockable version of the Core i7-2600K, which otherwise is has same base frequency. The higher passmark score of the core i7-2600K reflects the fact the people have submitted more overclocked score whithout mentioning it. This second generation processor is great if you want extreme performance and over clocking ability. Its integrated graphics may be good enough for small to medium end gaming as well as videoencoding and 1080p display.
The clock frequency of the integrated graphics stands at 650 MHz that can ramp to 1.35 GHz. The graphics boost works in tendem with main processor turbo boost, with the intention of keeping the total heat generated in control.

Some more details of Core i5-2500K

The core i5-2500K is the overclockable version of the core i5-2500. It belongs to the second generation Core i5 processor, more popularly known as the Sandy bridge Processor. There have been several improvement over the previous generation core i5 processor, most notable among them is the improvement in the integrated graphics ( x2 performance improvement). The new Turbo 2.0 further boosts the performance. In the lithography improvement the we now have a unified 32 nm die having everything on a single die. The higher passmark score of core i5-2500K with respect to the core i5-2500 only indicates that more samples sent the overclocked 2500K scores

Further Reading

Since both of them are Sandy Bridge processors, we strongly suggest that you check out – Sandy Bridge Architecture.

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