Intel Core i9 11900

Cores: 8
L3 cache: 16MB (shared)
TDP: 65 W
Transistor size: 14 nm

Core i9 11900 - desktop processor produced by Intel for socket LGA-1200 that has 8 cores and 16 threads. The base clock frequency of the CPU is 2500 MHz, but due to Turbo Boost technology, it can perform up to 5200 MHz. The size of the L3 cache is 16 MB. Please note that this chip has integrated graphics Intel UHD Graphics 750.

Review

Single-Core Performance

61

Multi-Core Performance

34

Power Efficiency

42

Integrated Graphics

24

NanoReview Final Score

49

Compare Intel Core i9 11900 with other CPUs

Cinebench

Reputable cross-platform benchmark for high-performance processors

Cinebench 2024 (Single)

96

Cinebench 2024 (Multi)

812

Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps

Geekbench 6 (Single-Core)

2123

Geekbench 6 (Multi-Core)

9598

File compression	642.5 MB/sec
Clang compilation	76.8 Klines/sec
HTML 5 Browser	198.3 pages/sec
PDF Renderer	302.4 Mpixels/sec
Text processing	217.9 pages/sec
Background blur	32.5 images/sec
Photo processing	78 images/sec
Ray tracing	20.3 Mpixels/sec

Sources: GeekBench [1] – 202 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions

Passmark CPU (Single-Core)

3372

Passmark CPU (Multi-Core)

22346

Integer math	83.5 GOps/sec
Floating point math	48.8 GOps/sec
Find prime numbers	62M Primes/sec
Random string sorting	33M Strings/sec
Data encryption	13.8 GBytes/sec
Data compression	284.1 MBytes/sec
Physics	969 Frames/sec
Extended instructions	19.6B Matrices/sec

Sources: PassMark [3] – 706 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)

Blender CPU

169.01

Performance Per Watt

Shows the score you get per each watt of PL1 TDP

Cinebench 2024 / Watt	12.5 PPW
Geekbench 6 Multi / Watt	147.7 PPW
Passmark CPU Mark / Watt	343.8 PPW
Blender / Watt	2.6 PPW

These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users

Date	Benchmark	Result
📘 2024-12-11 (barny777.prime)	Cinebench 2024	96 / 812

Add View all (1)

General

Vendor	Intel
Released	March 16, 2021
Type	Desktop
Instruction Set	x86-64
Codename	Rocket Lake
Model number	i9-11900
Integrated GPU	UHD Graphics 750
AMD Equivalent	- AMD Ryzen 9 5900

Intel CPU rating - 165th place

CPU

Performance Cores
P-Cores	8
P-Threads	16
Base Frequency (P)	2.5 GHz
Turbo Boost Frequency (P)	5.2 GHz

Total
Total Cores	8
Total Threads	16
Bus Frequency	100 MHz
Multiplier	25x
Bus Bandwidth	8 GT/s
L1 Cache	64K (per core)
L2 Cache	512K (per core)
L3 Cache	16MB (shared)
Unlocked Multiplier	No

Package

Fabrication Process	14 nm
TDP (PL1)	65 W
Socket	LGA-1200
Peak Temperature	100°C

Desktop CPU ranking - 111th place

iGPU

Integrated Graphics	Intel UHD Graphics 750
GPU Base Clock	300 MHz
GPU Boost Clock	1300 MHz
Shading Units	256
TMUs	64
ROPs	32
Execution Units	32
TGP	15 W

iGPU FLOPS

0.7 TFLOPS

See also: Intel UHD Graphics 750 – integrated graphics of Intel Core i9 11900

Memory Support

Memory Types	- DDR4-3200
Max. Memory Size	128 GB
Memory Channels	2
Max. Memory Bandwidth	50 GB/s
ECC Support	No

Misc

Official Site	Intel Core i9 11900 official page
PCI Express Version	4.0
PCI Express Lanes	20
Technologies	- Compute: ABM, ADX, AVX-512F, BMI1, BMI2, CLMUL, F16C, SHA - Performance: EIST, TBT 2.0, TBT 3.0, TSX, TVB - Virtualization: VT-d, VT-x - Security: RDRAND, TXT, XD bit