Intel Core i9 9920X vs Intel Core i9 12900K

VS

Intel Core i9 9920X

Intel Core i9 12900K

We compared two desktop CPUs: Intel Core i9 9920X with 12 cores 3.5GHz and Intel Core i9 12900K with 16 cores 32GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9920X 's Advantages

Larger memory bandwidth (85GB/s vs 76.8GB/s)

Intel Core i9 12900K 's Advantages

Released 3 years late

Integrated graphics card

Higher specification of memory (4800 vs 2666)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (32GHz vs 3.5GHz)

Larger L3 cache size (30MB vs 19MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (125W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9920X

1067

Intel Core i9 12900K +90%

2028

Cinebench R23 Multi Core

Intel Core i9 9920X

14793

Intel Core i9 12900K +85%

27422

Geekbench 6 Single Core

Intel Core i9 9920X

1389

Intel Core i9 12900K +89%

2631

Geekbench 6 Multi Core

Intel Core i9 9920X

3027

Intel Core i9 12900K +461%

17004

Geekbench 5 Single Core

Intel Core i9 9920X

1171

Intel Core i9 12900K +68%

1970

Geekbench 5 Multi Core

Intel Core i9 9920X

12494

Intel Core i9 12900K +36%

17028

Passmark CPU Single Core

Intel Core i9 9920X

2608

Intel Core i9 12900K +60%

4173

Passmark CPU Multi Core

Intel Core i9 9920X

25060

Intel Core i9 12900K +65%

41390

Intel Core i9 9920X

VS

Intel Core i9 12900K

General Parameters

Oct 2018

Release Date

Oct 2021

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Alder Lake

i9-9920X

Processor Number

i9-12900K

LGA-2066

Socket

LGA-1700

N/A

Integrated Graphics

UHD Graphics 770

Package

14 nm

Manufacturing Process

10 nm

165 W

Power Consumption

125 W

92 °C

Peak Operating Temperature

100°C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

3,2 GHz

4.4 GHz

Performance Core Turbo Frequency

5.1 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

2.4 GHz

-

Efficiency Core Turbo Frequency

3.9 GHz

12

Total Core Count

16

24

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

32x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

14 MB shared

19 MB shared

L3 Cache

30 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR5-4800, DDR4-3200

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

-

GPU Max Dynamic Frequency

1550 MHz

-

Shader Units

256

-

Texture Units

16

-

Raster Operation Units

8

-

Execution Units

32

-

Power Consumption

15 W

-

Graphics Performance

0.78 TFLOPS

Miscellaneous

Intel Core i9 9920X

Official Website

Intel Core i9 12900K

3.0

PCIe Version

5.0

44

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2, AVX-512

Extended Instruction Set

-

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