Intel Core i9 11900KF vs Intel Core i7 9800X

VS

Intel Core i9 11900KF Intel Core i7 9800X

We compared two desktop CPUs: Intel Core i9 11900KF with 8 cores 3.5GHz and Intel Core i7 9800X with 8 cores 3.8GHz . 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 i7 9800X 's Advantages

Larger memory bandwidth (79.47GB/s vs 50GB/s)

Higher base frequency (3.8GHz vs 3.5GHz)

Larger L3 cache size (17MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 11900KF +32%

1653

Intel Core i7 9800X

1251

Cinebench R23 Multi Core

Intel Core i9 11900KF +9%

14197

Intel Core i7 9800X

12945

Geekbench 6 Single Core

Intel Core i9 11900KF +92%

2536

Intel Core i7 9800X

1314

Geekbench 6 Multi Core

Intel Core i9 11900KF +29%

10374

Intel Core i7 9800X

7991

Geekbench 5 Single Core

Intel Core i9 11900KF +44%

1768

Intel Core i7 9800X

1225

Geekbench 5 Multi Core

Intel Core i9 11900KF +5%

10209

Intel Core i7 9800X

9648

Passmark CPU Single Core

Intel Core i9 11900KF +38%

3557

Intel Core i7 9800X

2573

Passmark CPU Multi Core

Intel Core i9 11900KF +39%

25246

Intel Core i7 9800X

18121

Intel Core i9 11900KF

VS

Intel Core i7 9800X

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

i7-9800X

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

95 °C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

3.8 GHz

5.3 GHz

Performance Core Turbo Frequency

4.4 GHz

8

Total Core Count

8

16

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

38x

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

17 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

79.47 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 11900KF

Official Website

Intel Core i7 9800X

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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