Intel Core i5-11600KF vs Intel Core i9-9820X

Compare Intel 11th Generation Core i5 6 core CPU vs Intel Core X-series 10 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

6657 points
6987 points
4% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

9464 points
23% slightly better gaming score
7678 points

Multitasking Score

Performance in workloads using up to 8 cores

5784 points
6735 points
16% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

5598 points
6649 points
18% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i5-11600KF and the Core i9-9820X? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

151.30 points
204.52 points
35% slightly higher Blender score

Specifications

Cores

Number of physical processing units

6
10
66% significantly more cores

Threads

Number of logical processing units

12
20
66% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.9 GHz
18% slightly higher clock speed
3.3 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.9 GHz
19% slightly higher turbo speed
4.1 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

125 W
32% slightly 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

480 KiB
640 KiB
33% slightly more L1 cache

L3 Cache

General memory pool for all cores

12 MiB
139% significantly more L3 cache
5 MiB

Other details

Rank

Ranking in the hardwareDB database

213th of 1,089
195th of 1,089

Family

The product line

11th Generation Core i5
Core X-series

Release date

The official date of release of this chip

2021 February
2018 November

Memory Type

The type of memory used by this chip

DDR4-3200
DDR4-2666

Is Unlocked

Can this CPU can be overclocked

Yes
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i5-11600KF vs Core i9-9820X specs and performance

According to the hardwareDB Benchmark tool, the Core i9-9820X is faster than the Core i5-11600KF. Despite this, the Core i5-11600KF has the advantage in our gaming benchmark.

When comparing core counts for these CPUs, we notice that the Core i9-9820X has significantly more cores with 10 cores compared to the Core i5-11600KF that has 6 cores. It also has more threads than the Core i5-11600KF. These CPUs have different clock speeds. Indeed, the Core i5-11600KF has a slightly higher clock speed compared to the Core i9-9820X. Also, the Core i5-11600KF has a slightly higher turbo speed. A Core i5-11600KF CPU outputs less heat than a Core i9-9820X CPU because of its slightly 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 i5-11600KF has more threads than cores. Each physical core is split into multiple threads.

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