Intel Core i5-6600K vs Intel Core i7-11700K

Compare Intel 6th Generation Core i5 4 core CPU vs Intel 11th Generation Core i7 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Price

The cheapest price from our partner retailers

$ 175.64
$ 183.36 significantly less expensive
$ 359.00

Benchmark Score

Overall Score

A combined score of all workloads

2754 points
7984 points
189% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

5105 points
9165 points
79% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

2098 points
7574 points
261% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

2013 points
7434 points
269% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i5-6600K and the Core i7-11700K? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

2595 points
8151 points
214% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

55.62 points
208.15 points
274% significantly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

3989 points
9777 points
145% significantly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1400 points
2159 points
54% significantly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

4043 points
9888 points
144% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1429 points
2246 points
57% significantly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

4
8
100% significantly more cores

Threads

Number of logical processing units

4
16
300% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.5 GHz
3.6 GHz
2% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

3.9 GHz
5 GHz
28% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

91 W
37% slightly lower TDP
125 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
20
25% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

64 GiB
128 GiB
100% significantly more supported memory

L1 Cache

Smallest embedded memory, but the fastest

256 KiB
640 KiB
150% significantly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

1 MiB
4 MiB
300% significantly more L2 cache

L3 Cache

General memory pool for all cores

6 MiB
16 MiB
166% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

578th of 1,089
149th of 1,089

Family

The product line

6th Generation Core i5
11th Generation Core i7

Release date

The official date of release of this chip

2015 August
2021 February

Memory Type

The type of memory used by this chip

DDR4-1866
DDR4-3200

Is Unlocked

Can this CPU can be overclocked

Yes
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i5-6600K vs Core i7-11700K comparison

Our benchmark analysis concludes that the Core i7-11700K performs better than the Core i5-6600K. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-6600K in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i7-11700K has significantly more cores with 8 cores compared to the Core i5-6600K that has 4 cores. It also has more threads than the Core i5-6600K. With our hardware info, we find that the Core i7-11700K has a slightly higher clock speed than the Core i5-6600K. Also, the Core i7-11700K has a slightly higher turbo speed. A Core i5-6600K CPU outputs less heat than a Core i7-11700K CPU because of its slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Core i7-11700K has significantly more L2 cache when compared to the Core i5-6600K. The Core i7-11700K also has significantly more L3 cache.

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. For instance, the Core i5-6600K has the same number of threads as cores. This means the the CPU does not support hyperthreading.

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