Intel Core i9 9900K vs Intel Core i9 12900K

VS

Intel Core i9 9900K Intel Core i9 12900K

We compared two desktop CPUs: Intel Core i9 9900K with 8 cores 3.6GHz 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 9900K's Advantages

Lower TDP (95W vs 125W)

Intel Core i9 12900K's Advantages

Released 3 years late

Better graphics card performance

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

Larger memory bandwidth (76.8GB/s vs 41.6GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (32GHz vs 3.6GHz)

Larger L3 cache size (30MB vs 16MB)

More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9900K

1339

Intel Core i9 12900K +51%

2028

Cinebench R23 Multi Core

Intel Core i9 9900K

12368

Intel Core i9 12900K +121%

27422

Geekbench 6 Single Core

Intel Core i9 9900K

1665

Intel Core i9 12900K +58%

2631

Geekbench 6 Multi Core

Intel Core i9 9900K

6395

Intel Core i9 12900K +165%

17004

Blender

Intel Core i9 9900K

211

Intel Core i9 12900K +90%

402

Geekbench 5 Single Core

Intel Core i9 9900K

1265

Intel Core i9 12900K +55%

1970

Geekbench 5 Multi Core

Intel Core i9 9900K

8406

Intel Core i9 12900K +102%

17028

Passmark CPU Single Core

Intel Core i9 9900K

2945

Intel Core i9 12900K +41%

4173

Passmark CPU Multi Core

Intel Core i9 9900K

18381

Intel Core i9 12900K +125%

41390

Intel Core i9 9900K

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

Coffee Lake

Core Architecture

Alder Lake

i9-9900K

Processor Number

i9-12900K

LGA-1151

Socket

LGA-1700

UHD Graphics 630

Integrated Graphics

UHD Graphics 770

Package

14 nm

Manufacturing Process

10 nm

LGA-1151

Socket

LGA-1700

95 W

Power Consumption

125 W

100 °C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

3.6 GHz

Performance Core Base Frequency

3,2 GHz

5 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

100MHz

Bus Frequency

100MHz

36x

Multiplier

32x

64K per core

L1 Cache

64K per core

256K per core

L2 Cache

14MB shared

16MB shared

L3 Cache

30MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR5-4800, DDR4-3200

128GB

Max Memory Size

128GB

2

Max Memory Channels

2

41.6 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

True

Integrated Graphics

True

350 MHz

GPU Base Frequency

300 MHz

1200 MHz

GPU Max Dynamic Frequency

1550 MHz

192

Shader Units

256

24

Texture Units

16

3

Raster Operation Units

8

24

Execution Units

32

15 W

Power Consumption

15 W

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

0.78 TFLOPS

Miscellaneous

Intel Core i9 9900K

Official Website

Intel Core i9 12900K

3.0

PCIe Version

5.0

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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