Intel Core i9 11900KF vs Intel Core i9 7900X

VS

Intel Core i9 11900KF Intel Core i9 7900X

We compared two desktop CPUs: Intel Core i9 11900KF with 8 cores 3.5GHz 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 11900KF 's Advantages

Released 3 years and 10 months late

Higher specification of memory (DDR4-3200 vs DDR4-2666)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.5GHz vs 3.3GHz)

Larger L3 cache size (16MB vs 14MB)

Lower TDP (125W vs 140W)

Intel Core i9 7900X 's Advantages

Larger memory bandwidth (79.47GB/s vs 50GB/s)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 11900KF +37%

1653

Intel Core i9 7900X

1203

Cinebench R23 Multi Core

Intel Core i9 11900KF +20%

14197

Intel Core i9 7900X

11804

Geekbench 6 Single Core

Intel Core i9 11900KF +91%

2536

Intel Core i9 7900X

1323

Geekbench 6 Multi Core

Intel Core i9 11900KF +21%

10374

Intel Core i9 7900X

8536

Geekbench 5 Single Core

Intel Core i9 11900KF +56%

1768

Intel Core i9 7900X

1127

Geekbench 5 Multi Core

Intel Core i9 11900KF

10209

Intel Core i9 7900X

10189

Passmark CPU Single Core

Intel Core i9 11900KF +39%

3557

Intel Core i9 7900X

2556

Passmark CPU Multi Core

Intel Core i9 11900KF +20%

25246

Intel Core i9 7900X

20991

Intel Core i9 11900KF

VS

Intel Core i9 7900X

General Parameters

Mar 2021

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Rocket Lake

Core Architecture

Skylake

i9-11900KF

Processor Number

i9-7900X

LGA-1200

Socket

LGA-2066

No

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-1200

Socket

LGA-2066

125 W

Power Consumption

140 W

100°C

Peak Operating Temperature

95 °C

CPU Performance

8

Performance Cores

10

16

Performance Core Threads

20

3.5 GHz

Performance Core Base Frequency

3.3 GHz

5.3 GHz

Performance Core Turbo Frequency

4.3 GHz

8

Total Core Count

10

16

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

14 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

50 GB/s

Max Memory Bandwidth

79.47 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 11900KF

Official Website

Intel Core i9 7900X

4.0

PCIe Version

3.0

20

PCIe Lanes

44

-

Extended Instruction Set

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

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