Intel Core i9 11900KF vs AMD Ryzen 9 3900X

VS

Intel Core i9 11900KF

AMD Ryzen 9 3900X

We compared two desktop CPUs: Intel Core i9 11900KF with 8 cores 3.5GHz and AMD Ryzen 9 3900X with 12 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 1 years and 8 months late

Larger memory bandwidth (50GB/s vs 47.68GB/s)

AMD Ryzen 9 3900X 's Advantages

Higher base frequency (3.8GHz vs 3.5GHz)

Larger L3 cache size (64MB vs 16MB)

More modern manufacturing process (7nm vs 14nm)

Lower TDP (105W vs 125W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 11900KF +26%

1653

AMD Ryzen 9 3900X

1306

Cinebench R23 Multi Core

Intel Core i9 11900KF

14197

AMD Ryzen 9 3900X +29%

18454

Geekbench 6 Single Core

Intel Core i9 11900KF +37%

2536

AMD Ryzen 9 3900X

1842

Geekbench 6 Multi Core

Intel Core i9 11900KF

10374

AMD Ryzen 9 3900X +12%

11715

Geekbench 5 Single Core

Intel Core i9 11900KF +34%

1768

AMD Ryzen 9 3900X

1319

Geekbench 5 Multi Core

Intel Core i9 11900KF

10209

AMD Ryzen 9 3900X +17%

11991

Passmark CPU Single Core

Intel Core i9 11900KF +32%

3557

AMD Ryzen 9 3900X

2683

Passmark CPU Multi Core

Intel Core i9 11900KF

25246

AMD Ryzen 9 3900X +28%

32531

Intel Core i9 11900KF

VS

AMD Ryzen 9 3900X

General Parameters

Mar 2021

Release Date

Jul 2019

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Rocket Lake

Core Architecture

Zen 2

i9-11900KF

Processor Number

-

LGA-1200

Socket

AM4

No

Integrated Graphics

N/A

Package

-

Transistor Count

3.8 billions

14 nm

Manufacturing Process

7 nm

125 W

Power Consumption

105 W

100°C

Peak Operating Temperature

95 °C

CPU Performance

8

Performance Cores

12

16

Performance Core Threads

24

3.5 GHz

Performance Core Base Frequency

3.8 GHz

5.3 GHz

Performance Core Turbo Frequency

4.6 GHz

8

Total Core Count

12

16

Total Thread Count

24

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

512 K per core

16 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

50 GB/s

Max Memory Bandwidth

47.68 GB/s

No

ECC Memory Support

Yes

Miscellaneous

Intel Core i9 11900KF

Official Website

AMD Ryzen 9 3900X

4.0

PCIe Version

4.0

20

PCIe Lanes

16

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