AMD Ryzen 9 3900XT vs Intel Core i9 11900KF

VS

AMD Ryzen 9 3900XT

Intel Core i9 11900KF

We compared two desktop CPUs: AMD Ryzen 9 3900XT with 12 cores 3.8GHz and Intel Core i9 11900KF with 8 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 3900XT '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)

Intel Core i9 11900KF 's Advantages

Released 8 months late

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

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 3900XT

1350

Intel Core i9 11900KF +22%

1653

Cinebench R23 Multi Core

AMD Ryzen 9 3900XT +29%

18437

Intel Core i9 11900KF

14197

Geekbench 6 Single Core

AMD Ryzen 9 3900XT

1763

Intel Core i9 11900KF +43%

2536

Geekbench 6 Multi Core

AMD Ryzen 9 3900XT +6%

11025

Intel Core i9 11900KF

10374

Blender

AMD Ryzen 9 3900XT +19%

261

Intel Core i9 11900KF

218

Geekbench 5 Single Core

AMD Ryzen 9 3900XT

1311

Intel Core i9 11900KF +34%

1768

Geekbench 5 Multi Core

AMD Ryzen 9 3900XT +20%

12279

Intel Core i9 11900KF

10209

Passmark CPU Single Core

AMD Ryzen 9 3900XT

2769

Intel Core i9 11900KF +28%

3557

Passmark CPU Multi Core

AMD Ryzen 9 3900XT +30%

32856

Intel Core i9 11900KF

25246

AMD Ryzen 9 3900XT

VS

Intel Core i9 11900KF

General Parameters

Jul 2020

Release Date

Mar 2021

AMD

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2 (Matisse)

Core Architecture

Rocket Lake

-

Processor Number

i9-11900KF

AM4

Socket

LGA-1200

No

Integrated Graphics

No

Package

3.8 billions

Transistor Count

-

7 nm

Manufacturing Process

14 nm

105 W

Power Consumption

125 W

95°C

Peak Operating Temperature

100°C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.8 GHz

Performance Core Base Frequency

3.5 GHz

4.7 GHz

Performance Core Turbo Frequency

5.3 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

35x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

512 K per core

64 MB shared

L3 Cache

16 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

47.68 GB/s

Max Memory Bandwidth

50 GB/s

Yes

ECC Memory Support

No

Miscellaneous

AMD Ryzen 9 3900XT

Official Website

Intel Core i9 11900KF

4.0

PCIe Version

4.0

24

PCIe Lanes

20

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