Intel Core i9 9920X vs Intel Core i9 12900KF

VS

Intel Core i9 9920X Intel Core i9 12900KF

We compared two desktop CPUs: Intel Core i9 9920X with 12 cores 3.5GHz and Intel Core i9 12900KF with 16 cores 3.2GHz . 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)

Higher base frequency (3.5GHz vs 3.2GHz)

Intel Core i9 12900KF 's Advantages

Released 3 years late

Higher specification of memory (DDR5-4800 vs DDR4-2666)

Newer PCIe version (5.0 vs 3.0)

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 12900KF +90%

2028

Cinebench R23 Multi Core

Intel Core i9 9920X

14793

Intel Core i9 12900KF +85%

27422

Geekbench 6 Single Core

Intel Core i9 9920X

1389

Intel Core i9 12900KF +93%

2686

Geekbench 6 Multi Core

Intel Core i9 9920X

3027

Intel Core i9 12900KF +432%

16130

Geekbench 5 Single Core

Intel Core i9 9920X

1171

Intel Core i9 12900KF +68%

1970

Geekbench 5 Multi Core

Intel Core i9 9920X

12494

Intel Core i9 12900KF +39%

17469

Passmark CPU Single Core

Intel Core i9 9920X

2608

Intel Core i9 12900KF +59%

4167

Passmark CPU Multi Core

Intel Core i9 9920X

25060

Intel Core i9 12900KF +64%

41190

Intel Core i9 9920X

VS

Intel Core i9 12900KF

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

i9-12900KF

LGA-2066

Socket

LGA-1700

N/A

Integrated Graphics

No

Package

14 nm

Manufacturing Process

10 nm

LGA-2066

Socket

LGA-1700

165 W

Power Consumption

125 W

-

Max Turbo Power Consumption

241 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

Miscellaneous

Intel Core i9 9920X

Official Website

Intel Core i9 12900KF

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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