Intel Core i5 11400 vs Intel Core i9 9940X

VS

Intel Core i5 11400

Intel Core i9 9940X

We compared two desktop CPUs: Intel Core i5 11400 with 6 cores 2.6GHz 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 i5 11400 's Advantages

Released 2 years and 5 months late

Integrated graphics card

Higher specification of memory (3200 vs 2666)

Newer PCIe version (4.0 vs 3.0)

Lower TDP (65W vs 165W)

Intel Core i9 9940X 's Advantages

Larger memory bandwidth (85GB/s vs 50GB/s)

Higher base frequency (3.3GHz vs 2.6GHz)

Larger L3 cache size (20MB vs 12MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 11400 +8%

1332

Intel Core i9 9940X

1228

Cinebench R23 Multi Core

Intel Core i5 11400

9558

Intel Core i9 9940X +60%

15351

Geekbench 6 Single Core

Intel Core i5 11400 +44%

1915

Intel Core i9 9940X

1328

Geekbench 6 Multi Core

Intel Core i5 11400

7552

Intel Core i9 9940X +29%

9787

Geekbench 5 Single Core

Intel Core i5 11400 +26%

1505

Intel Core i9 9940X

1189

Geekbench 5 Multi Core

Intel Core i5 11400

7090

Intel Core i9 9940X +102%

14374

Passmark CPU Single Core

Intel Core i5 11400 +16%

3031

Intel Core i9 9940X

2608

Passmark CPU Multi Core

Intel Core i5 11400

16980

Intel Core i9 9940X +66%

28355

Intel Core i5 11400

VS

Intel Core i9 9940X

General Parameters

Mar 2021

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Rocket Lake

Core Architecture

Skylake

i5-11400

Processor Number

i9-9940X

LGA-1200

Socket

LGA-2066

UHD Graphics 730

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

65 W

Power Consumption

165 W

100 °C

Peak Operating Temperature

88 °C

CPU Performance

6

Performance Cores

14

12

Performance Core Threads

28

2.6 GHz

Performance Core Base Frequency

3.3 GHz

4.4 GHz

Performance Core Turbo Frequency

4.4 GHz

6

Total Core Count

14

12

Total Thread Count

28

100 MHz

Bus Frequency

100 MHz

26x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

12 MB shared

L3 Cache

20 MB shared

No

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

85 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

1300 MHz

GPU Max Dynamic Frequency

-

192

Shader Units

-

48

Texture Units

-

24

Raster Operation Units

-

24

Execution Units

-

15 W

Power Consumption

-

3840x2160 - 60 Hz

Max Resolution

-

0.35 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i5 11400

Official Website

Intel Core i9 9940X

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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