Intel Core i9 9900X vs Intel Core i9 9940X

VS

Intel Core i9 9900X

Intel Core i9 9940X

We compared two desktop CPUs: Intel Core i9 9900X with 10 cores 3.5GHz and Intel Core i9 9940X with 14 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 9900X 's Advantages

Higher base frequency (3.5GHz vs 3.3GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9900X

1182

Intel Core i9 9940X +3%

1228

Cinebench R23 Multi Core

Intel Core i9 9900X

13994

Intel Core i9 9940X +9%

15351

Geekbench 6 Single Core

Intel Core i9 9900X +9%

1455

Intel Core i9 9940X

1328

Geekbench 6 Multi Core

Intel Core i9 9900X +4%

10273

Intel Core i9 9940X

9787

Geekbench 5 Single Core

Intel Core i9 9900X

1165

Intel Core i9 9940X +2%

1189

Geekbench 5 Multi Core

Intel Core i9 9900X

10704

Intel Core i9 9940X +34%

14374

Passmark CPU Single Core

Intel Core i9 9900X

2565

Intel Core i9 9940X +1%

2608

Passmark CPU Multi Core

Intel Core i9 9900X

21833

Intel Core i9 9940X +29%

28355

Intel Core i9 9900X

VS

Intel Core i9 9940X

General Parameters

Oct 2018

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Skylake

i9-9900X

Processor Number

i9-9940X

LGA-2066

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

165 W

Power Consumption

165 W

92 °C

Peak Operating Temperature

88 °C

CPU Performance

10

Performance Cores

14

20

Performance Core Threads

28

3.5 GHz

Performance Core Base Frequency

3.3 GHz

4.4 GHz

Performance Core Turbo Frequency

4.4 GHz

10

Total Core Count

14

20

Total Thread Count

28

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

20 MB shared

L3 Cache

20 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

4

85 GB/s

Max Memory Bandwidth

85 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 9900X

Official Website

Intel Core i9 9940X

3.0

PCIe Version

3.0

44

PCIe Lanes

44

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

Extended Instruction Set

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

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