Intel Core i5-11400 vs Intel Core i9-11900K

Compare Intel 11th Generation Core i5 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

Quickly search and compare processors

Price

The cheapest price from our partner retailers

$ 129.99
$ 430.00 significantly less expensive
$ 559.99

Benchmark Score

Overall Score

A combined score of all workloads

5682 points
8281 points
45% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8370 points
10754 points
28% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

4847 points
7475 points
54% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

4675 points
7270 points
55% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i5-11400 and the Core i9-11900K? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

5721 points
8414 points
47% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

144.07 points
212.26 points
47% significantly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

7150 points
10589 points
48% significantly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1888 points
2288 points
21% slightly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

7262 points
11108 points
52% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1960 points
2402 points
22% slightly higher Geekbench 6 (single) 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

3.6 GHz
2% slightly higher clock speed
3.5 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.4 GHz
5.3 GHz
20% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

65 W
92% significantly lower TDP
125 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

20
Identical
20

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
640 KiB
33% slightly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

3 MiB
4 MiB
33% slightly more L2 cache

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

276th of 1,089
136th of 1,089

Family

The product line

11th Generation Core i5
11th Generation Core i9

Release date

The official date of release of this chip

2021 February
2021 February

Memory Type

The type of memory used by this chip

DDR4-3200
DDR4-3200

Is Unlocked

Can this CPU can be overclocked

No
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i5-11400 vs Core i9-11900K comparison

According to the hardwareDB Benchmark tool, the Core i9-11900K is faster than the Core i5-11400. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-11400 in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i9-11900K has slightly more cores than the Core i5-11400. Indeed, the Core i9-11900K has 8 cores compared to 6 cores found in the Core i5-11400. It also has more threads than the Core i5-11400. Our comparison shows that the Core i5-11400 has a slightly higher clock speed compared to the Core i9-11900K. Despite this, the Core i9-11900K has a slightly higher turbo speed. A Core i5-11400 CPU outputs less heat than a Core i9-11900K 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 i9-11900K has more L2 cache than the Core i5-11400. The Core i9-11900K also has slightly more L3 cache.

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 i5-11400 has more threads than cores. Each physical core is split into multiple threads.

Comments

No comments yet! Be the first to leave a comment using the form below.

Keep comments on topic and be polite. Comments are subject to moderation before they are published.

Popular CPU Comparisons