Intel Core i5-6600K vs Intel Core i7-11800H

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?

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Benchmark Score

Overall Score

A combined score of all workloads

2754 points
6296 points
128% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

5105 points
8432 points
65% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

2098 points
5628 points
168% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

2013 points
5474 points
171% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i5-6600K and the Core i7-11800H? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

2595 points
6720 points
158% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

55.62 points
150.35 points
170% significantly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

3989 points
8024 points
101% significantly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1400 points
1892 points
35% slightly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

4043 points
7795 points
92% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1429 points
1896 points
32% slightly 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
52% significantly higher clock speed
2.3 GHz

Turbo Speed

Higher frequency used for heavy workloads

3.9 GHz
4.6 GHz
17% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

91 W
45 W
102% significantly lower TDP

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
768 KiB
200% significantly more L1 cache

L3 Cache

General memory pool for all cores

6 MiB
24 MiB
300% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

578th of 1,089
236th 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 May

Memory Type

The type of memory used by this chip

DDR4-1866
-

Is Unlocked

Can this CPU can be overclocked

Yes
No

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i5-6600K vs Core i7-11800H comparison

Our benchmark analysis concludes that the Core i7-11800H 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.

In terms of the number of cores of each of these CPUs, the Core i7-11800H has significantly more cores than the Core i5-6600K. Indeed, the Core i7-11800H has 8 cores compared to 4 cores found in the Core i5-6600K. It also has more threads than the Core i5-6600K. These CPUs have different clock speeds. Indeed, the Core i5-6600K has a significantly higher clock speed compared to the Core i7-11800H. Despite this, the Core i7-11800H has a slightly higher turbo speed. The Core i7-11800H outputs less heat than Core i5-6600K thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. 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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