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 +33%

1647

Intel Core i9 9940X

1231

Cinebench R23 Multi Core

Intel Core i5 12400F

12344

Intel Core i9 9940X +24%

15373

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

117W

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

100MHz

Bus Frequency

100MHz

25x

Multiplier

33x

80K per core

L1 Cache

64K per core

1280K per core

L2 Cache

1MB per core

18MB shared

L3 Cache

20MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR4-2666

128GB

Max Memory Size

128GB

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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