Intel Core i9 12900KF vs Intel Core i9 7900X

VS

Intel Core i9 12900KF

Intel Core i9 7900X

We compared two desktop CPUs: Intel Core i9 12900KF with 16 cores 3.2GHz and Intel Core i9 7900X with 10 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900KF 's Advantages

Released 4 years and 5 months late

Higher specification of memory (4800 vs 2666)

Newer PCIe version (5.0 vs 3.0)

Larger L3 cache size (30MB vs 14MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (125W vs 140W)

Intel Core i9 7900X 's Advantages

Larger memory bandwidth (79.47GB/s vs 76.8GB/s)

Higher base frequency (3.3GHz vs 3.2GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 12900KF +68%

2028

Intel Core i9 7900X

1203

Cinebench R23 Multi Core

Intel Core i9 12900KF +82%

27422

Intel Core i9 7900X

14998

Geekbench 6 Single Core

Intel Core i9 12900KF +103%

2686

Intel Core i9 7900X

1323

Geekbench 6 Multi Core

Intel Core i9 12900KF +88%

16130

Intel Core i9 7900X

8536

Geekbench 5 Single Core

Intel Core i9 12900KF +74%

1970

Intel Core i9 7900X

1127

Geekbench 5 Multi Core

Intel Core i9 12900KF +71%

17469

Intel Core i9 7900X

10189

Passmark CPU Single Core

Intel Core i9 12900KF +63%

4167

Intel Core i9 7900X

2556

Passmark CPU Multi Core

Intel Core i9 12900KF +96%

41190

Intel Core i9 7900X

20991

Intel Core i9 12900KF

VS

Intel Core i9 7900X

General Parameters

Oct 2021

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Skylake

i9-12900KF

Processor Number

i9-7900X

LGA-1700

Socket

LGA-2066

No

Integrated Graphics

N/A

Package

10 nm

Manufacturing Process

14 nm

125 W

Power Consumption

140 W

241 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

95 °C

CPU Performance

8

Performance Cores

10

16

Performance Core Threads

20

3.2 GHz

Performance Core Base Frequency

3.3 GHz

5.1 GHz

Performance Core Turbo Frequency

4.3 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

10

24

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

14 MB shared

L2 Cache

1 MB per core

30 MB shared

L3 Cache

14 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

4

76.8 GB/s

Max Memory Bandwidth

79.47 GB/s

Yes

ECC Memory Support

No

Miscellaneous

Intel Core i9 12900KF

Official Website

Intel Core i9 7900X

5.0

PCIe Version

3.0

20

PCIe Lanes

44

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2, AVX-512

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