Intel Core i9 12900K vs Intel Core i9 9900KS

VS

Intel Core i9 12900K

Intel Core i9 9900KS

We compared two desktop CPUs: Intel Core i9 12900K with 16 cores 32GHz and Intel Core i9 9900KS with 8 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900K 's Advantages

Released 2 years late

Better graphics card performance

Higher specification of memory (4800 vs 2666)

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

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (32GHz vs 4.0GHz)

Larger L3 cache size (30MB vs 16MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (125W vs 127W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 12900K +53%

2028

Intel Core i9 9900KS

1323

Cinebench R23 Multi Core

Intel Core i9 12900K +105%

27422

Intel Core i9 9900KS

13343

Geekbench 6 Single Core

Intel Core i9 12900K +56%

2631

Intel Core i9 9900KS

1678

Geekbench 6 Multi Core

Intel Core i9 12900K +94%

17004

Intel Core i9 9900KS

8751

Blender

Intel Core i9 12900K +138%

422

Intel Core i9 9900KS

177

Geekbench 5 Single Core

Intel Core i9 12900K +41%

1970

Intel Core i9 9900KS

1391

Geekbench 5 Multi Core

Intel Core i9 12900K +76%

17028

Intel Core i9 9900KS

9636

Passmark CPU Single Core

Intel Core i9 12900K +37%

4173

Intel Core i9 9900KS

3029

Passmark CPU Multi Core

Intel Core i9 12900K +113%

41390

Intel Core i9 9900KS

19417

Intel Core i9 12900K

VS

Intel Core i9 9900KS

General Parameters

Oct 2021

Release Date

Oct 2019

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Coffee Lake

i9-12900K

Processor Number

i9-9900KS

LGA-1700

Socket

LGA-1151

UHD Graphics 770

Integrated Graphics

UHD Graphics 630

Package

10 nm

Manufacturing Process

14 nm

125 W

Power Consumption

127 W

100°C

Peak Operating Temperature

100 °C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

3,2 GHz

Performance Core Base Frequency

4.0 GHz

5.1 GHz

Performance Core Turbo Frequency

5 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

2.4 GHz

Efficiency Core Base Frequency

-

3.9 GHz

Efficiency Core Turbo Frequency

-

16

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

40x

64 K per core

L1 Cache

64 K per core

14 MB shared

L2 Cache

256 K per core

30 MB shared

L3 Cache

16 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

41.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

350 MHz

1550 MHz

GPU Max Dynamic Frequency

1200 MHz

256

Shader Units

192

16

Texture Units

24

8

Raster Operation Units

3

32

Execution Units

24

15 W

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

0.78 TFLOPS

Graphics Performance

0.38 TFLOPS

Miscellaneous

Intel Core i9 12900K

Official Website

Intel Core i9 9900KS

5.0

PCIe Version

3.0

20

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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