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Intel Core i9 11900K

Intel Core i9 11900K

Codename: Rocket Lake Released: March 16, 2021
Total Cores
8
Physical Cores
Total Threads
16
Concurrent Threads
Boost Clock
5300 MHz
Max Turbo Frequency

Technical Highlights

Vendor : Intel
Socket : LGA-1200
Manufacturing Process : 14 nm
TDP (PL1) : 125 W

About this CPU

Rocket Lake desktop CPU with 8 cores and 16 threads, up to 5300 MHz, an unlocked multiplier and Intel UHD Graphics 750.

Last updated: September 11, 2026
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Intel Core i9 11900K

Overall Score Of Intel Core i9 11900K

This summarizes how Intel Core i9 11900K scores across single-core performance, multi-core performance, CPU architecture, memory architecture, and energy efficiency.

71
Overall
Single-Core Performance
70
Multi-Core Performance
62
CPU Architecture
57
Memory Architecture
53
Energy Efficiency
73

General Information of Intel Core i9 11900K

CPU Name

Intel Core i9 11900K

Vendor

Intel

Release Date

March 16, 2021

Generation

11th Gen Intel Core

Type

Desktop

Instruction Set

x86-64

Codename

Rocket Lake

Foundry

Intel

Package and Thermals of Intel Core i9 11900K

Manufacturing Process

14 nm

14% of the current best Manufacturing Process score

Max Temp (TJMax)

Top tier

100 C

91% of the current best Max Temp (TJMax) score

TDP (PL1)

125 W

Max. Boost TDP (PL2)

251 W

Socket

LGA-1200

CPU Cores of Intel Core i9 11900K

Performance Cores

P-Cores

8

22% of the current best P-Cores score

P-Threads

16

44% of the current best P-Threads score

P-Core Base Frequency

Good

3500 MHz

74% of the current best P-Core Base Frequency score

P-Core Turbo Frequency

Excellent

5300 MHz

85% of the current best P-Core Turbo Frequency score

Total

Total Cores

8

22% of the current best Total Cores score

Total Threads

Good

16

44% of the current best Total Threads score

Multiplier

Unlocked

Bus Frequency

Top tier

100 MHz

100% of the current best Bus Frequency score

Unlocked Multiplier

Yes

L1 Cache

64 KB

13% of the current best L1 Cache score

L2 Cache

4 MB

6% of the current best L2 Cache score

L3 Cache

16 MB

8% of the current best L3 Cache score

NPU

No

Memory Support of Intel Core i9 11900K

Memory Types

Good

DDR4-3200

60% of the current best Memory Types score

Max Memory Size

Good

128 GB

25% of the current best Max Memory Size score

Memory Channels

2

3% of the current best Memory Channels score

Max Memory Bandwidth

50 GB/s

4% of the current best Max Memory Bandwidth score

ECC Support

No

Technologies

ABM, ADX, AVX-512F, BMI1, BMI2, CLMUL, F16C, SHA, EIST, TBT 2.0, TBT 3.0, TSX, TVB, VT-d, VT-x, RDRAND, TXT, XD bit

Benchmarks of Intel Core i9 11900K

Geekbench V6

Benchmark results for this category.

Multi-Core:
11,196
26% of max score
Single-Core:
2,494
53% of max score
File Compression:
862
32% of max score
Clang Compression:
90
28% of max score
HTML5 Browser:
228
28% of max score
PDF Renderer:
332
43% of max score
Text Processing:
242
54% of max score
Background Blur:
54
47% of max score
Photo Processing:
89
37% of max score
Ray Tracing:
21
34% of max score

PassMark CPU

Benchmark results for this category.

Multi-Core:
24,906
34% of max score
Single-Core:
3,501
59% of max score
Integer Math:
89 MOps/Sec
1% of max score
Floating Point:
53 MOps/Sec
1% of max score
Prime Numbers:
67 Million Primes/Sec
6% of max score
String Sorting:
38 Thousand Strings/Sec
1% of max score
Data Encryption:
16 MBytes/Sec
1% of max score
Data Compression:
329 KBytes/Sec
1% of max score
Physics:
1,047 Frames/Sec
12% of max score
Extended Instructions:
23 Million Matrices/Sec
1% of max score

Cinebench 2024

Benchmark results for this category.

Multi-Core:
819
21% of max score
Single-Core:
95
42% of max score

Blender

Benchmark results for this category.

Render Score:
213
29% of max score

Performance Charts Of Intel Core i9 11900K

These charts show how Intel Core i9 11900K balances CPU benchmark performance and relative score versus current market leaders.

Performance Radar Chart

Category scores overview (0 to 100)
Intel Core i9 11900K

Performance Benchmarks

Grey is the market top value. Colored bar is Intel Core i9 11900K.
Market Top
Intel Core i9 11900K

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Frequently Asked Questions about Intel Core i9 11900K

The Intel Core i9 11900K was officially released in March 16, 2021, targeting the Desktop market.

The Intel Core i9 11900K is equipped with 8 cores and 16 threads, providing an excellent balance for both high-end gaming and standard productivity tasks.

The Intel Core i9 11900K uses the LGA-1200 socket. This is a critical specification for compatibility, as it dictates which motherboards can support this processor.

The Intel Core i9 11900K operates at a base clock frequency of 3500 MHz for its performance cores. This is the speed the processor runs at under normal, non-intensive workloads.

The Intel Core i9 11900K can reach a maximum turbo boost frequency of 5300 MHz on its performance cores. This allows the CPU to dynamically increase its speed to handle demanding tasks and gaming workloads.

The Intel Core i9 11900K has a maximum junction temperature (TjMax) of 100 C. This is the maximum temperature possible before the processor initiates thermal throttling or shuts down to prevent permanent damage.

The Intel Core i9 11900K achieves a multi-core score of 819 on Cinebench 2024, reflecting its capability in multi-threaded creative and rendering applications.

The Intel Core i9 11900K scores 2,494 on the Geekbench v6 single-core test, indicating how snappy and responsive it will feel in everyday applications and most games.

With an overall performance rating of 71%, the Intel Core i9 11900K is considered a high-performance processor in our comprehensive CPU database.

The Intel Core i9 11900K features 16 MB of L3 cache. A larger cache helps the processor access frequently used data faster, which can significantly boost gaming performance.

The Intel Core i9 11900K has a base power consumption (TDP) of 125 W. This value is important for choosing an adequate CPU cooler and determining your overall system power requirements.

The Intel Core i9 11900K supports DDR4-3200 memory, dictating the RAM speeds and capacities you can pair with this processor.

The Intel Core i9 11900K includes an integrated GPU, meaning you don't strictly need a dedicated graphics card for basic display output.

Disclaimer: Specs, pricing, and benchmarks are sourced from official manufacturer data and verified test results. While we strive for precision, product details and pricing may change. Comparigon may earn an affiliate commission on qualifying purchases.