Intel Core i7-11800H vs Intel Core i9-9940X

Compare Intel 11th Generation Core i7 8 core CPU vs Intel Core X-series 14 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

6303 points
8137 points
29% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8436 points
10% slightly better gaming score
7646 points

Multitasking Score

Performance in workloads using up to 8 cores

5637 points
8299 points
47% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

5483 points
8373 points
52% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-11800H and the Core i9-9940X? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

150.35 points
256.89 points
70% significantly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

8024 points
9956 points
24% slightly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1892 points
37% slightly higher Geekbench 5 (single) score
1379 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

7795 points
10437 points
33% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1896 points
29% slightly higher Geekbench 6 (single) score
1460 points

Specifications

Cores

Number of physical processing units

8
14
75% significantly more cores

Threads

Number of logical processing units

16
28
75% significantly more threads

Clock Speed

Base frequency at which the chip operates

2.3 GHz
3.3 GHz
43% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz
4% slightly higher turbo speed
4.4 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

45 W
266% significantly lower TDP
165 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
44
120% significantly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
4
100% significantly more memory channels

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
Identical
128 GiB

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
896 KiB
16% slightly more L1 cache

L3 Cache

General memory pool for all cores

24 MiB
25 MiB
4% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

243rd of 1,099
148th of 1,099

Family

The product line

11th Generation Core i7
Core X-series

Release date

The official date of release of this chip

2021 May
2018 November

Memory Type

The type of memory used by this chip

-
DDR4-2666

Is Unlocked

Can this CPU can be overclocked

No
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i7-11800H vs Core i9-9940X specs and performance

Our benchmark analysis concludes that the Core i9-9940X performs better than the Core i7-11800H. Despite this, the Core i7-11800H has the advantage in our gaming benchmark.

In terms of the number of cores of each of these CPUs, the Core i9-9940X has significantly more cores than the Core i7-11800H. Indeed, the Core i9-9940X has 14 cores compared to 8 cores found in the Core i7-11800H. It also has more threads than the Core i7-11800H. Our comparison shows that the Core i9-9940X has a significantly higher clock speed compared to the Core i7-11800H. Despite this, the Core i7-11800H has a slightly higher turbo speed. A Core i7-11800H CPU outputs less heat than a Core i9-9940X CPU because of its 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. Indeed, the Core i7-11800H has more threads than cores. Each physical core is split into multiple threads.

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