Intel Core i9 11900KF vs Intel Core i9 9920X

VS

Intel Core i9 11900KF Intel Core i9 9920X

We compared two desktop CPUs: Intel Core i9 11900KF with 8 cores 3.5GHz and Intel Core i9 9920X with 12 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 11900KF 's Advantages

Released 2 years and 5 months late

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

Newer PCIe version (4.0 vs 3.0)

Lower TDP (125W vs 165W)

Intel Core i9 9920X 's Advantages

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

Larger L3 cache size (19MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 11900KF +54%

1653

Intel Core i9 9920X

1067

Cinebench R23 Multi Core

Intel Core i9 11900KF

14197

Intel Core i9 9920X +4%

14793

Geekbench 6 Single Core

Intel Core i9 11900KF +82%

2536

Intel Core i9 9920X

1389

Geekbench 6 Multi Core

Intel Core i9 11900KF +242%

10374

Intel Core i9 9920X

3027

Geekbench 5 Single Core

Intel Core i9 11900KF +50%

1768

Intel Core i9 9920X

1171

Geekbench 5 Multi Core

Intel Core i9 11900KF

10209

Intel Core i9 9920X +22%

12494

Passmark CPU Single Core

Intel Core i9 11900KF +36%

3557

Intel Core i9 9920X

2608

Passmark CPU Multi Core

Intel Core i9 11900KF

25246

Intel Core i9 9920X

25060

Intel Core i9 11900KF

VS

Intel Core i9 9920X

General Parameters

Mar 2021

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Rocket Lake

Core Architecture

Skylake

i9-11900KF

Processor Number

i9-9920X

LGA-1200

Socket

LGA-2066

No

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-1200

Socket

LGA-2066

125 W

Power Consumption

165 W

100°C

Peak Operating Temperature

92 °C

CPU Performance

8

Performance Cores

12

16

Performance Core Threads

24

3.5 GHz

Performance Core Base Frequency

3.5 GHz

5.3 GHz

Performance Core Turbo Frequency

4.4 GHz

8

Total Core Count

12

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

35x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

19 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

50 GB/s

Max Memory Bandwidth

85 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 11900KF

Official Website

Intel Core i9 9920X

4.0

PCIe Version

3.0

20

PCIe Lanes

44

-

Extended Instruction Set

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

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