Intel Core i9 14900KS vs Intel Core i9 9940X

VS

Intel Core i9 14900KS Intel Core i9 9940X

We compared two desktop CPUs: Intel Core i9 14900KS with 24 cores 3.2GHz 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 14900KS 's Advantages

Released 5 years and 5 months late

Integrated graphics card

Higher specification of memory (DDR5-5600 vs DDR4-2666)

Larger memory bandwidth (89.6GB/s vs 85GB/s)

Newer PCIe version (5.0 vs 3.0)

Larger L3 cache size (36MB vs 20MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (150W vs 165W)

Intel Core i9 9940X 's Advantages

Higher base frequency (3.3GHz vs 3.2GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 14900KS +94%

2398

Intel Core i9 9940X

1231

Cinebench R23 Multi Core

Intel Core i9 14900KS +166%

40976

Intel Core i9 9940X

15373

Geekbench 6 Single Core

Intel Core i9 14900KS +159%

3444

Intel Core i9 9940X

1328

Geekbench 6 Multi Core

Intel Core i9 14900KS +145%

24020

Intel Core i9 9940X

9787

Passmark CPU Single Core

Intel Core i9 14900KS +91%

4990

Intel Core i9 9940X

2608

Passmark CPU Multi Core

Intel Core i9 14900KS +130%

65287

Intel Core i9 9940X

28355

Intel Core i9 14900KS

VS

Intel Core i9 9940X

General Parameters

Mar 2024

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Raptor Lake Refresh

Core Architecture

Skylake

i9-14900KS

Processor Number

i9-9940X

LGA-1700

Socket

LGA-2066

UHD Graphics 770

Integrated Graphics

N/A

Package

10 nm

Manufacturing Process

14 nm

LGA-1700

Socket

LGA-2066

150 W

Power Consumption

165 W

253 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

88 °C

CPU Performance

8

Performance Cores

14

16

Performance Core Threads

28

3.2 GHz

Performance Core Base Frequency

3.3 GHz

6.2 GHz

Performance Core Turbo Frequency

4.4 GHz

16

Efficiency Cores

-

16

Efficiency Core Threads

-

2.4 GHz

Efficiency Core Base Frequency

-

4.5 GHz

Efficiency Core Turbo Frequency

-

24

Total Core Count

14

32

Total Thread Count

28

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

33x

80 K per core

L1 Cache

64 K per core

2 MB per core

L2 Cache

1 MB per core

36 MB shared

L3 Cache

20 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR5-5600, DDR4-3200

Memory Types

DDR4-2666

192 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

89.6 GB/s

Max Memory Bandwidth

85 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

1650 MHz

GPU Max Dynamic Frequency

-

256

Shader Units

-

16

Texture Units

-

8

Raster Operation Units

-

32

Execution Units

-

15 W

Power Consumption

-

0.78 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 14900KS

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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