Intel Core i9 9900KF vs Intel Core i9 7900X

VS

Intel Core i9 9900KF Intel Core i9 7900X

We compared two desktop CPUs: Intel Core i9 9900KF with 8 cores 3.6GHz 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 9900KF 's Advantages

Released 1 years and 8 months late

Higher base frequency (3.6GHz vs 3.3GHz)

Larger L3 cache size (16MB vs 14MB)

Lower TDP (95W vs 140W)

Intel Core i9 7900X 's Advantages

Larger memory bandwidth (79.47GB/s vs 41.6GB/s)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9900KF +4%

1260

Intel Core i9 7900X

1203

Cinebench R23 Multi Core

Intel Core i9 9900KF +6%

12606

Intel Core i9 7900X

11804

Geekbench 6 Single Core

Intel Core i9 9900KF +21%

1612

Intel Core i9 7900X

1323

Geekbench 6 Multi Core

Intel Core i9 9900KF

7648

Intel Core i9 7900X +11%

8536

Geekbench 5 Single Core

Intel Core i9 9900KF +15%

1300

Intel Core i9 7900X

1127

Geekbench 5 Multi Core

Intel Core i9 9900KF

8856

Intel Core i9 7900X +15%

10189

Passmark CPU Single Core

Intel Core i9 9900KF +15%

2945

Intel Core i9 7900X

2556

Passmark CPU Multi Core

Intel Core i9 9900KF

18462

Intel Core i9 7900X +13%

20991

Intel Core i9 9900KF

VS

Intel Core i9 7900X

General Parameters

Jan 2019

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Skylake

i9-9900KF

Processor Number

i9-7900X

LGA-1151

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-2066

95 W

Power Consumption

140 W

100 °C

Peak Operating Temperature

95 °C

CPU Performance

8

Performance Cores

10

16

Performance Core Threads

20

3.6 GHz

Performance Core Base Frequency

3.3 GHz

5 GHz

Performance Core Turbo Frequency

4.3 GHz

8

Total Core Count

10

16

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

36x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

14 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

41.6 GB/s

Max Memory Bandwidth

79.47 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 9900KF

Official Website

Intel Core i9 7900X

3.0

PCIe Version

3.0

16

PCIe Lanes

44

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

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

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