Intel Core i5 12400F vs Intel Core i9 9940X

VS

Intel Core i5 12400F Intel Core i9 9940X

We compared two desktop CPUs: Intel Core i5 12400F with 6 cores 2.5GHz 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 i5 12400F 's Advantages

Released 3 years and 3 months late

Higher specification of memory (DDR5-4800 vs DDR4-2666)

Newer PCIe version (5.0 vs 3.0)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (65W vs 165W)

Intel Core i9 9940X 's Advantages

Larger memory bandwidth (85GB/s vs 76.8GB/s)

Higher base frequency (3.3GHz vs 2.5GHz)

Larger L3 cache size (20MB vs 18MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 12400F +34%

1647

Intel Core i9 9940X

1228

Cinebench R23 Multi Core

Intel Core i5 12400F

12344

Intel Core i9 9940X +24%

15351

Geekbench 6 Single Core

Intel Core i5 12400F +73%

2301

Intel Core i9 9940X

1328

Geekbench 6 Multi Core

Intel Core i5 12400F

9475

Intel Core i9 9940X +3%

9787

Geekbench 5 Single Core

Intel Core i5 12400F +36%

1628

Intel Core i9 9940X

1189

Geekbench 5 Multi Core

Intel Core i5 12400F

8519

Intel Core i9 9940X +68%

14374

Passmark CPU Single Core

Intel Core i5 12400F +34%

3513

Intel Core i9 9940X

2608

Passmark CPU Multi Core

Intel Core i5 12400F

19551

Intel Core i9 9940X +45%

28355

Intel Core i5 12400F

VS

Intel Core i9 9940X

General Parameters

Jan 2022

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Skylake

i5-12400F

Processor Number

i9-9940X

LGA-1700

Socket

LGA-2066

No

Integrated Graphics

N/A

Package

10 nm

Manufacturing Process

14 nm

LGA-1700

Socket

LGA-2066

65 W

Power Consumption

165 W

117 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

88 °C

CPU Performance

6

Performance Cores

14

12

Performance Core Threads

28

2.5 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

25x

Multiplier

33x

80 K per core

L1 Cache

64 K per core

1280 K per core

L2 Cache

1 MB per core

18 MB shared

L3 Cache

20 MB shared

No

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

85 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i5 12400F

Official Website

Intel Core i9 9940X

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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