Intel Core i9 9940X vs Intel Core i5 12600K

VS

Intel Core i9 9940X

Intel Core i5 12600K

We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and Intel Core i5 12600K with 10 cores 3.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9940X 's Advantages

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

Intel Core i5 12600K 's Advantages

Released 3 years late

Integrated graphics card

Higher specification of memory (4800 vs 2666)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (3.7GHz vs 3.3GHz)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (125W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9940X

1228

Intel Core i5 12600K +55%

1908

Cinebench R23 Multi Core

Intel Core i9 9940X

15351

Intel Core i5 12600K +14%

17648

Geekbench 6 Single Core

Intel Core i9 9940X

1328

Intel Core i5 12600K +91%

2548

Geekbench 6 Multi Core

Intel Core i9 9940X

9787

Intel Core i5 12600K +24%

12188

Geekbench 5 Single Core

Intel Core i9 9940X

1189

Intel Core i5 12600K +60%

1910

Geekbench 5 Multi Core

Intel Core i9 9940X +24%

14374

Intel Core i5 12600K

11565

Passmark CPU Single Core

Intel Core i9 9940X

2608

Intel Core i5 12600K +51%

3956

Passmark CPU Multi Core

Intel Core i9 9940X +2%

28355

Intel Core i5 12600K

27733

Intel Core i9 9940X

VS

Intel Core i5 12600K

General Parameters

Oct 2018

Release Date

Oct 2021

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Alder Lake

i9-9940X

Processor Number

i5-12600K

LGA-2066

Socket

LGA-1700

N/A

Integrated Graphics

UHD Graphics 770

Package

14 nm

Manufacturing Process

10 nm

165 W

Power Consumption

125 W

-

Max Turbo Power Consumption

150 W

88 °C

Peak Operating Temperature

100°C

CPU Performance

14

Performance Cores

6

28

Performance Core Threads

12

3.3 GHz

Performance Core Base Frequency

3.7 GHz

4.4 GHz

Performance Core Turbo Frequency

4.9 GHz

-

Efficiency Cores

4

-

Efficiency Core Threads

4

-

Efficiency Core Base Frequency

2.8 GHz

-

Efficiency Core Turbo Frequency

3.6 GHz

14

Total Core Count

10

28

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

37x

64 K per core

L1 Cache

80 K per core

1 MB per core

L2 Cache

9728 K shared

20 MB shared

L3 Cache

20 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR5-4800, DDR4-3200

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

-

GPU Max Dynamic Frequency

1450 MHz

-

Shader Units

256

-

Texture Units

16

-

Raster Operation Units

8

-

Execution Units

32

-

Power Consumption

15 W

-

Graphics Performance

0.78 TFLOPS

Miscellaneous

Intel Core i9 9940X

Official Website

Intel Core i5 12600K

3.0

PCIe Version

5.0

44

PCIe Lanes

20

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

Extended Instruction Set

-

Related CPU Comparisons

1

Intel Core i9 9940X vs Intel Core i3 13100TE

2

Intel Core i9 9940X vs AMD Ryzen 7 5800X3D

3

Intel Core i9 9940X vs Intel Core Ultra 5 125UL

4

Intel Core i9 9940X vs Intel Core i3 10100

5

Intel Core i9 9940X vs AMD Ryzen 5 8600G

6

Intel Core i9 9940X vs Intel Core i9 11900KF

7

Intel Core i9 9940X vs Intel Core i5 10400F

8

Intel Core i9 9940X vs Intel Core i5 10600T

9

Intel Core i9 9940X vs Intel Core i5 11600KF

10

Intel Core i9 9940X vs Intel Core i7 7800X

Related News

1

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

2

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

3

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

4

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

5

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

6

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

7

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

8

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early