Intel Core i9 11900K vs Intel Core i9 12900

VS

Intel Core i9 11900K

Intel Core i9 12900

We compared two desktop CPUs: Intel Core i9 11900K with 8 cores 3.5GHz and Intel Core i9 12900 with 16 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 11900K 's Advantages

Integrated graphics card

Higher base frequency (3.5GHz vs 2.4GHz)

Intel Core i9 12900 's Advantages

Released 10 months late

Higher specification of memory (4800 vs 3200)

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

Newer PCIe version (5 vs 4.0)

Larger L3 cache size (30MB vs 16MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (65W vs 125W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 11900K

1653

Intel Core i9 12900 +20%

1988

Cinebench R23 Multi Core

Intel Core i9 11900K

16211

Intel Core i9 12900 +63%

26454

Geekbench 6 Single Core

Intel Core i9 11900K

2492

Intel Core i9 12900 +9%

2727

Geekbench 6 Multi Core

Intel Core i9 11900K

11197

Intel Core i9 12900 +19%

13396

Intel Core i9 11900K

VS

Intel Core i9 12900

General Parameters

Mar 2021

Release Date

Jan 2022

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

-

Rocket Lake

Core Architecture

Alder Lake-S

i9-11900K

Processor Number

-

LGA-1200

Socket

Intel Socket 1700

UHD Graphics 750

Integrated Graphics

UHD Graphics 770

-

Generation

Core i9 (Alder Lake-S)

Package

14 nm

Manufacturing Process

10 nm

125 W

Power Consumption

65 W

100°C

Peak Operating Temperature

72 °C

-

Foundry

Intel

-

Die Size

215 mm²

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

2.4 GHz

5.3 GHz

Performance Core Turbo Frequency

5.1 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

1800 MHz

-

Efficiency Core Turbo Frequency

3.8 GHz

8

Total Core Count

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

24.0

64 K per core

L1 Cache

80 KB per core

512 K per core

L2 Cache

1.25 MB per core

16 MB shared

L3 Cache

30 MB shared

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200, DDR5-4800

128 GB

Max Memory Size

-

2

Max Memory Channels

2

50 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

1300 MHz

GPU Max Dynamic Frequency

-

256

Shader Units

-

64

Texture Units

-

32

Raster Operation Units

-

32

Execution Units

-

15 W

Power Consumption

-

3840x2160 - 60 Hz

Max Resolution

-

0.46 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 11900K

Official Website

-

4.0

PCIe Version

5

20

PCIe Lanes

20

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