Intel Core i5-11600 vs Intel Core i9-9900K

Compare Intel 11th Generation Core i5 6 core CPU vs Intel 9th Generation Core i9 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

$ 140.00
$ 210.22 significantly less expensive
$ 350.22

Benchmark Score

Overall Score

A combined score of all workloads

5920 points
6719 points
13% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8284 points
0.74% slightly better gaming score
8223 points

Multitasking Score

Performance in workloads using up to 8 cores

5201 points
6214 points
19% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

5041 points
6073 points
20% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i5-11600 and the Core i9-9900K? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

158.65 points
175.64 points
10% slightly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

8131 points
2% slightly higher Geekbench 5 (multi) score
7957 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

2100 points
28% slightly higher Geekbench 5 (single) score
1634 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

7951 points
8053 points
1% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

2104 points
23% slightly higher Geekbench 6 (single) score
1703 points

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

2.8 GHz
3.6 GHz
28% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.8 GHz
5 GHz
4% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

65 W
46% significantly lower TDP
95 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
25% slightly more pcie lanes
16

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

480 KiB
512 KiB
6% slightly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

3 MiB
49% significantly more L2 cache
2 MiB

L3 Cache

General memory pool for all cores

12 MiB
16 MiB
33% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

258th of 1,089
209th of 1,089

Family

The product line

11th Generation Core i5
9th Generation Core i9

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

No
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i5-11600 vs Core i9-9900K comparison

According to the hardwareDB Benchmark tool, the Core i9-9900K is faster than the Core i5-11600. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-11600 in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i9-9900K has slightly more cores with 8 cores compared to the Core i5-11600 that has 6 cores. It also has more threads than the Core i5-11600. Our comparison shows that the Core i9-9900K has a slightly higher clock speed compared to the Core i5-11600. Also, the Core i9-9900K has a slightly higher turbo speed. A Core i5-11600 CPU outputs less heat than a Core i9-9900K CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The info from our database shows that the Core i5-11600 has more L2 cache than the Core i9-9900K. Despite this, the Core i9-9900K has slightly more L3 cache compared to the Core i5-11600.

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. Indeed, the Core i5-11600 has more threads than cores. Each physical core is split into multiple threads.

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