Intel Core i9 12900K vs AMD Ryzen 9 7900X

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We compared two desktop CPUs: Intel Core i9 12900K with 16 cores 32GHz and AMD Ryzen 9 7900X with 12 cores 4.7GHz . 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 4.7GHz)

Lower TDP (125W vs 170W)

AMD Ryzen 9 7900X 's Advantages

Released 11 months late

Higher specification of memory (DDR5-5200 vs DDR5-4800)

Larger memory bandwidth (83.2GB/s vs 76.8GB/s)

Larger L3 cache size (64MB vs 30MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 12900K

2028

AMD Ryzen 9 7900X

2033

Cinebench R23 Multi Core

Intel Core i9 12900K

27422

AMD Ryzen 9 7900X +6%

29242

Geekbench 6 Single Core

Intel Core i9 12900K

2631

AMD Ryzen 9 7900X +11%

2942

Geekbench 6 Multi Core

Intel Core i9 12900K

17004

AMD Ryzen 9 7900X +12%

19092

Cinebench 2024 Single Core

Intel Core i9 12900K +1%

123

AMD Ryzen 9 7900X

121

Cinebench 2024 Multi Core

Intel Core i9 12900K

1582

AMD Ryzen 9 7900X +2%

1614

Blender

Intel Core i9 12900K

402

AMD Ryzen 9 7900X

406

Geekbench 5 Single Core

Intel Core i9 12900K

1970

AMD Ryzen 9 7900X +15%

2277

Geekbench 5 Multi Core

Intel Core i9 12900K

17028

AMD Ryzen 9 7900X +20%

20503

Passmark CPU Single Core

Intel Core i9 12900K

4173

AMD Ryzen 9 7900X +3%

4317

Passmark CPU Multi Core

Intel Core i9 12900K

41390

AMD Ryzen 9 7900X +25%

52013

Intel Core i9 12900K

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AMD Ryzen 9 7900X

General Parameters

Oct 2021

Release Date

Sep 2022

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Raphael

i9-12900K

Processor Number

-

LGA-1700

Socket

AM5

UHD Graphics 770

Integrated Graphics

AMD Radeon™ Graphics

Package

10 nm

Manufacturing Process

5 nm

LGA-1700

Socket

AM5

125 W

Power Consumption

170 W

100°C

Peak Operating Temperature

95 °C

CPU Performance

8

Performance Cores

12

16

Performance Core Threads

24

3,2 GHz

Performance Core Base Frequency

4.7 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

47x

64 K per core

L1 Cache

-

14 MB shared

L2 Cache

12 MB shared

30 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR5-5200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

83.2 GB/s

Yes

ECC Memory Support

-

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

-

1550 MHz

GPU Max Dynamic Frequency

-

256

Shader Units

-

16

Texture Units

-

8

Raster Operation Units

-

32

Execution Units

-

15 W

Power Consumption

-

0.78 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 12900K

Official Website

AMD Ryzen 9 7900X

5.0

PCIe Version

5.0

20

PCIe Lanes

24

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