Intel Core i9 12900E vs Intel Core i9 9900KF

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Intel Core i9 12900E

Intel Core i9 9900KF

We compared two desktop CPUs: Intel Core i9 12900E with 16 cores 2.3GHz and Intel Core i9 9900KF with 8 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900E 's Advantages

Released 3 years late

Integrated graphics card

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)

Intel Core i9 9900KF 's Advantages

Higher base frequency (3.6GHz vs 2.3GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 12900E +7%

1735

Intel Core i9 9900KF

1612

Geekbench 6 Multi Core

Intel Core i9 12900E +35%

10366

Intel Core i9 9900KF

7648

Intel Core i9 12900E

VS

Intel Core i9 9900KF

General Parameters

Jan 2022

Release Date

Jan 2019

Intel

Manufacturer

Intel

Desktop

Type

Desktop

-

Instruction Set

x86-64

Alder Lake-S

Core Architecture

Coffee Lake

-

Processor Number

i9-9900KF

Intel Socket 1700

Socket

LGA-1151

UHD Graphics 770

Integrated Graphics

N/A

Core i9 (Alder Lake-S)

Generation

-

Package

10 nm

Manufacturing Process

14 nm

35 W

Power Consumption

95 W

72 °C

Peak Operating Temperature

100 °C

Intel

Foundry

-

215 mm²

Die Size

-

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

2.3 GHz

Performance Core Base Frequency

3.6 GHz

5.0 GHz

Performance Core Turbo Frequency

5 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

1.7 GHz

Efficiency Core Base Frequency

-

3.8 GHz

Efficiency Core Turbo Frequency

-

16

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

23

Multiplier

36x

80 KB per core

L1 Cache

64 K per core

14 MB

L2 Cache

256 K per core

30 MB

L3 Cache

16 MB shared

Yes

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR4-3200, DDR5-4800

Memory Types

DDR4-2666

-

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

-

300 MHz

GPU Base Frequency

-

1550 MHz

GPU Max Dynamic Frequency

-

32

Execution Units

-

Miscellaneous

Intel Core i9 12900E

Official Website

Intel Core i9 9900KF

5

PCIe Version

3.0

20

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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