Intel Core i9 9900K vs Intel Core i9 12900E

VS

Intel Core i9 9900K

Intel Core i9 12900E

We compared two desktop CPUs: Intel Core i9 9900K with 8 cores 3.6GHz and Intel Core i9 12900E with 16 cores 2.3GHz . 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

Higher base frequency (3.6GHz vs 2.3GHz)

Intel Core i9 12900E 's Advantages

Released 3 years and 3 months late

Higher specification of memory (4800 vs 2666)

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

Newer PCIe version (5 vs 3.0)

Larger L3 cache size (30MB vs 16MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (35W vs 95W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 9900K

1665

Intel Core i9 12900E +4%

1735

Geekbench 6 Multi Core

Intel Core i9 9900K

6395

Intel Core i9 12900E +62%

10366

Intel Core i9 9900K

VS

Intel Core i9 12900E

General Parameters

Oct 2018

Release Date

Jan 2022

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

-

Coffee Lake

Core Architecture

Alder Lake-S

i9-9900K

Processor Number

-

LGA-1151

Socket

Intel Socket 1700

UHD Graphics 630

Integrated Graphics

UHD Graphics 770

-

Generation

Core i9 (Alder Lake-S)

Package

14 nm

Manufacturing Process

10 nm

95 W

Power Consumption

35 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

3.6 GHz

Performance Core Base Frequency

2.3 GHz

5 GHz

Performance Core Turbo Frequency

5.0 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

1.7 GHz

-

Efficiency Core Turbo Frequency

3.8 GHz

8

Total Core Count

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

36x

Multiplier

23

64 K per core

L1 Cache

80 KB per core

256 K per core

L2 Cache

14 MB

16 MB shared

L3 Cache

30 MB

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200, DDR5-4800

128 GB

Max Memory Size

-

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

-

24

Texture Units

-

3

Raster Operation Units

-

24

Execution Units

32

15 W

Power Consumption

-

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 9900K

Official Website

Intel Core i9 12900E

3.0

PCIe Version

5

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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