Intel Core i5-6600K

Intel Core i5-6600K Benchmark

Intel Core i5-6600K Processor benchmark, specs and release date - 4 GHz 4 core Intel 6th Generation Core i5 LGA 1151 CPU rating. Is the Core i5-6600K good for gaming?

CPU Benchmark Score

34 %
Good score from 6 samples
Medium uncertainty

Ranked 527th out of 1,335 in the CPU Database.

Overall Gaming Multitasking Heavy Workloads
34 % 62 % 26 % 25 %
Good Very Good Average Average

Want to compare your CPU against the Core i5-6600K and these results? Download our free and quick PC Performance Test.

Geekbench (multi)
Geekbench (multi)
Geekbench (single)
Geekbench (single)
3DMark Physics
3DMark Physics
3,595 1,092 3,786

Compare these benchmarks and specs using our CPU Comparison Tool.

CPU Comparison

The Intel Core i5-6600K compared against popular alternatives. Compare against more CPUs with our CPU Comparison Tool.

Intel Core i5-10300H
40 %
Intel Core i7-10610U
37 %
Intel Core i5-6600K
34 %
Intel Core i7-7700HQ
32 %
Intel Core i7-6700HQ
30 %
AMD Ryzen 3 3300U
28 %
AMD Ryzen 5 2500U
20 %

Specifications

Clock Speed 3.5 GHz
Turbo Speed 3.9 GHz
Cores 4
Threads 4
L1 Cache 256 KiB
L2 Cache 1024 KiB
L3 Cache 6 MiB
PCIe Revision 3
PCIe Lanes 16
Socket LGA 1151
Family 6th Generation Core i5
Memory Type DDR4-1866
Memory Channels 2
Max Memory 64 GiB
Release Date 2015-08-01
Supports ECC Memory No
Has Unlocked Multiplier Yes
TDP 91 W

Intel Core i5-6600K

The Core i5-6600K is a 4 core CPU from Intel released in 2015. This chip has a good overall score at 34% in our CPU benchmark. Our gaming benchmark shows that this CPU is a very good processor for gaming, with a score of 62%. As for multitasking and heavy workloads, the Core i5-6600K scores 26% and 25% respectively. Indeed, this is an average rating for very heavy workloads.

The Core i5-6600K has 4 cores and 4 threads. This chip has no simultaneous multithreading support, as it has the same number of cores as threads. This Intel CPU has a clock speed of 3.5 GHz and a turbo speed of 3.9 GHz : a higher clock speed that can be reached when thermals and power delivery allow. This CPU has an unlocked multiplier and allows for overclocking. With adequate cooling and a good power supply, it's possible to run this CPU at a higher clock speed.

As for memory, the Core i5-6600K makes use of DDR4-1866 memory. The faster the memory, the better. Faster memory means that the CPU doesn't have to wait to get the data it needs. It can accommodate a maximum of 64 GiB of memory. Furthermore, this chip can handle up to 2 channels of RAM, a multichannel memory architecture allows for higher data transfer between the CPU and the memory. However, to take advantage of this, you must have enough memory slots filled. Error correcting memory is not supported on this processor.

In terms of cache, the Core i5-6600K has 256 KiB of level 1 cache, 1 MiB of level 2 cache and 6 MiB of level 3 cache. This is a fast memory located close to the processor, which stores copies of frequently used data from main memory.

This CPU has fast connectivity with support for PCI-Express Gen 3. The faster the PCIe link, the better. This allows for better performance with GPUs and NVME SSDs. It has a total of 16 PCIe lanes.

Power and thermals for the Intel Core i5-6600K CPU are a TDP (Thermal Design Power) of 91 watts. This measures the amount of heat the processor produces when running at full load. This isn't a measure of power consumption, but it's good estimate.

To figure out your PCs processor specs and performance, download our free CPU Benchmark utility.

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