Intel Core i9 12900K vs AMD Ryzen 9 9900X

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We compared two desktop CPUs: Intel Core i9 12900K with 16 cores 32GHz and AMD Ryzen 9 9900X with 12 cores 4.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900K 's Advantages

Higher base frequency (32GHz vs 4.4GHz)

AMD Ryzen 9 9900X 's Advantages

Released 2 years and 8 months late

Higher specification of memory (DDR5-5600 vs DDR5-4800)

Larger memory bandwidth (89.6GB/s vs 76.8GB/s)

Larger L3 cache size (64MB vs 30MB)

Lower TDP (120W vs 125W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 12900K

2028

AMD Ryzen 9 9900X +14%

2323

Cinebench R23 Multi Core

Intel Core i9 12900K

27422

AMD Ryzen 9 9900X +49%

40986

Geekbench 6 Single Core

Intel Core i9 12900K

2631

AMD Ryzen 9 9900X +24%

3284

Geekbench 6 Multi Core

Intel Core i9 12900K

17004

AMD Ryzen 9 9900X +41%

23982

Intel Core i9 12900K

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AMD Ryzen 9 9900X

General Parameters

Oct 2021

Release Date

Jun 2024

Intel

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Zen 5 (Granite Ridge)

i9-12900K

Processor Number

-

LGA-1700

Socket

AM5

UHD Graphics 770

Integrated Graphics

Radeon Graphics

-

Generation

Ryzen 9 (Zen 5 (Granite Ridge))

Package

10 nm

Manufacturing Process

4 nm

LGA-1700

Socket

AM5

125 W

Power Consumption

120 W

100°C

Peak Operating Temperature

95°C

-

Foundry

TSMC

-

I/O Process Size

6 nm

-

Package

FC-LGA1718

CPU Performance

8

Performance Cores

12

16

Performance Core Threads

24

3,2 GHz

Performance Core Base Frequency

4.4 GHz

5.1 GHz

Performance Core Turbo Frequency

5.6 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

2.4 GHz

Efficiency Core Base Frequency

-

3.9 GHz

Efficiency Core Turbo Frequency

-

16

Total Core Count

12

24

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

44x

64 K per core

L1 Cache

64 K per core

14 MB shared

L2 Cache

1 MB per core

30 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR5-5600

128 GB

Max Memory Size

192 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

MHz

1550 MHz

GPU Max Dynamic Frequency

2200 MHz

256

Shader Units

-

16

Texture Units

-

8

Raster Operation Units

-

32

Execution Units

2

15 W

Power Consumption

-

0.78 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 12900K

Official Website

AMD Ryzen 9 9900X

5.0

PCIe Version

5.0

20

PCIe Lanes

28

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