Intel Core i9 11900KF vs Intel Core i9 12900KF

VS

Intel Core i9 11900KF Intel Core i9 12900KF

We compared two desktop CPUs: Intel Core i9 11900KF with 8 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 11900KF 's Advantages

Higher base frequency (3.5GHz vs 3.2GHz)

Intel Core i9 12900KF 's Advantages

Released 7 months late

Higher specification of memory (DDR5-4800 vs DDR4-3200)

Larger memory bandwidth (76.8GB/s vs 50GB/s)

Newer PCIe version (5.0 vs 4.0)

Larger L3 cache size (30MB vs 16MB)

More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 11900KF

1653

Intel Core i9 12900KF +22%

2028

Cinebench R23 Multi Core

Intel Core i9 11900KF

14197

Intel Core i9 12900KF +93%

27422

Geekbench 6 Single Core

Intel Core i9 11900KF

2536

Intel Core i9 12900KF +5%

2686

Geekbench 6 Multi Core

Intel Core i9 11900KF

10374

Intel Core i9 12900KF +55%

16130

Blender

Intel Core i9 11900KF

265

Intel Core i9 12900KF +44%

382

Geekbench 5 Single Core

Intel Core i9 11900KF

1768

Intel Core i9 12900KF +11%

1970

Geekbench 5 Multi Core

Intel Core i9 11900KF

10209

Intel Core i9 12900KF +71%

17469

Passmark CPU Single Core

Intel Core i9 11900KF

3557

Intel Core i9 12900KF +17%

4167

Passmark CPU Multi Core

Intel Core i9 11900KF

25246

Intel Core i9 12900KF +63%

41190

Intel Core i9 11900KF

VS

Intel Core i9 12900KF

General Parameters

Mar 2021

Release Date

Oct 2021

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Rocket Lake

Core Architecture

Alder Lake

i9-11900KF

Processor Number

i9-12900KF

LGA-1200

Socket

LGA-1700

No

Integrated Graphics

No

Package

14 nm

Manufacturing Process

10 nm

LGA-1200

Socket

LGA-1700

125 W

Power Consumption

125 W

-

Max Turbo Power Consumption

241 W

100°C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

3.2 GHz

5.3 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

8

Total Core Count

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

32x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

14 MB shared

16 MB shared

L3 Cache

30 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR5-4800, DDR4-3200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

50 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

Yes

Miscellaneous

Intel Core i9 11900KF

Official Website

Intel Core i9 12900KF

4.0

PCIe Version

5.0

20

PCIe Lanes

20

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