Intel Core i9 9900X vs Intel Core i9 11900K

VS

Intel Core i9 9900X Intel Core i9 11900K

We compared two desktop CPUs: Intel Core i9 9900X with 10 cores 3.5GHz and Intel Core i9 11900K with 8 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9900X 's Advantages

Larger memory bandwidth (85GB/s vs 50GB/s)

Larger L3 cache size (20MB vs 16MB)

Intel Core i9 11900K 's Advantages

Released 2 years and 5 months late

Integrated graphics card

Higher specification of memory (DDR4-3200 vs DDR4-2666)

Newer PCIe version (4.0 vs 3.0)

Lower TDP (125W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9900X

1178

Intel Core i9 11900K +40%

1653

Cinebench R23 Multi Core

Intel Core i9 9900X

13952

Intel Core i9 11900K +16%

16211

Geekbench 6 Single Core

Intel Core i9 9900X

1455

Intel Core i9 11900K +71%

2492

Geekbench 6 Multi Core

Intel Core i9 9900X

10273

Intel Core i9 11900K +8%

11197

Geekbench 5 Single Core

Intel Core i9 9900X

1165

Intel Core i9 11900K +56%

1829

Geekbench 5 Multi Core

Intel Core i9 9900X

10704

Intel Core i9 11900K +3%

11033

Passmark CPU Single Core

Intel Core i9 9900X

2565

Intel Core i9 11900K +37%

3520

Passmark CPU Multi Core

Intel Core i9 9900X

21833

Intel Core i9 11900K +16%

25343

Intel Core i9 9900X

VS

Intel Core i9 11900K

General Parameters

Oct 2018

Release Date

Mar 2021

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Rocket Lake

i9-9900X

Processor Number

i9-11900K

LGA-2066

Socket

LGA-1200

N/A

Integrated Graphics

UHD Graphics 750

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-1200

165 W

Power Consumption

125 W

92 °C

Peak Operating Temperature

100°C

CPU Performance

10

Performance Cores

8

20

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

3.5 GHz

4.4 GHz

Performance Core Turbo Frequency

5.3 GHz

10

Total Core Count

8

20

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

35x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

20 MB shared

L3 Cache

16 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

50 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

-

GPU Max Dynamic Frequency

1300 MHz

-

Shader Units

256

-

Texture Units

64

-

Raster Operation Units

32

-

Execution Units

32

-

Power Consumption

15 W

-

Max Resolution

3840x2160 - 60 Hz

-

Graphics Performance

0.46 TFLOPS

Miscellaneous

Intel Core i9 9900X

Official Website

Intel Core i9 11900K

3.0

PCIe Version

4.0

44

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2, AVX-512

Extended Instruction Set

-

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