Intel Core i7-8700K vs Intel Core i9-11900H

Compare Intel 8th Generation Core i7 6 core CPU vs Intel 11th Generation Core i9 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

5130 points
5635 points
9% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

7103 points
8064 points
13% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

4499 points
4910 points
9% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

4352 points
4760 points
9% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-8700K and the Core i9-11900H? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

5074 points
6050 points
19% slightly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

126.15 points
144.70 points
14% slightly higher Blender score

Specifications

Cores

Number of physical processing units

6
8
33% slightly more cores

Threads

Number of logical processing units

12
16
33% slightly more threads

Clock Speed

Base frequency at which the chip operates

3.7 GHz
47% significantly higher clock speed
2.5 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.7 GHz
4.9 GHz
4% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

95 W
45 W
111% 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

128 GiB
Identical
128 GiB

L1 Cache

Smallest embedded memory, but the fastest

384 KiB
768 KiB
100% significantly more L1 cache

L3 Cache

General memory pool for all cores

12 MiB
24 MiB
100% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

335th of 1,089
283rd of 1,089

Family

The product line

8th Generation Core i7
11th Generation Core i9

Release date

The official date of release of this chip

2017 November
2021 May

Memory Type

The type of memory used by this chip

DDR4-2666
-

Is Unlocked

Can this CPU can be overclocked

Yes
No

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i7-8700K vs Core i9-11900H specs and performance

In our benchmarks, the Core i7-8700K beats the Core i9-11900H in overall performance. Despite this, the Core i9-11900H has the advantage in our gaming benchmark.

With info from our database, we find that the Core i9-11900H has slightly more cores with 8 cores whereas the Core i7-8700K has 6 cores. It also has more threads than the Core i7-8700K. Our comparison shows that the Core i7-8700K has a significantly higher clock speed compared to the Core i9-11900H. Despite this, the Core i9-11900H has a slightly higher turbo speed. The Core i9-11900H outputs less heat than Core i7-8700K thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Core i7-8700K has more threads than cores. Each physical core is split into multiple threads.

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