Intel Core i5-11600K vs Intel Core i7-2600K

Compare Intel 11th Generation Core i5 6 core CPU vs Intel Core 4 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Benchmark Score

Overall Score

A combined score of all workloads

81 %
169% significantly better overall score
30 %

Gaming Score

The raw gaming performance with a fast GPU

113 %
145% significantly better gaming score
46 %

Multitasking Score

Performance in workloads using up to 8 cores

70 %
180% significantly better multitasking score
25 %

Heavy Workload Score

Performance in workloads using up to 16 cores

68 %
183% significantly better heavy workload score
24 %

Free CPU Benchmark

Want to compare your processor against the Core i5-11600K and the Core i7-2600K? Download our free and quick PC Performance Test.

Other Benchmarks

Geekbench (multi) score

Multi threaded benchmark

152% significantly higher Geekbench (multi) score

Geekbench (single) score

Single threaded benchmark

105% significantly higher Geekbench (single) score

3DMark Physics score

Physics simulation benchmark

171% significantly higher 3DMark Physics score



Number of physical processing units

49% significantly more cores


Number of logical processing units

49% significantly more threads

Clock Speed

Base frequency at which the chip operates

4 GHz
14% slightly higher clock speed
3 GHz

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
28% slightly higher turbo speed
4 GHz


Thermal Design Power: Measure of heat generated by the CPU

125 W
95 W
31% slightly lower TDP

PCIe Lanes

Number of physical connections between the CPU and expansion slots

25% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access


Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
300% significantly more supported memory
32 GiB

Other details


Ranking in the hardwareDB database

119th of 1,337
598th of 1,337


The product line

11th Generation Core i5

Release date

The official date of release of this chip

February 2021
February 2011

Memory Type

The type of memory used by this chip


Is Unlocked

Can this CPU can be overclocked


Supports ECC memory

Does this CPU support error correcting memory


Core i5-11600K vs Core i7-2600K benchmarks

Our benchmark analysis concludes that the Core i5-11600K performs better than the Core i7-2600K. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-2600K in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i5-11600K has significantly more cores than the Core i7-2600K. Indeed, the Core i5-11600K has 6 cores compared to 4 cores found in the Core i7-2600K. It also has more threads than the Core i7-2600K. These CPUs have different clock speeds. Indeed, the Core i5-11600K has a slightly higher clock speed compared to the Core i7-2600K. Also, the Core i5-11600K has a slightly higher turbo speed. The Core i7-2600K outputs less heat than Core i5-11600K thanks to a slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Core i5-11600K has more threads than cores. Each physical core is split into multiple threads.


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