Intel Core i9 9900KS vs Intel Core i9 9940X

VS

Intel Core i9 9900KS Intel Core i9 9940X

We compared two desktop CPUs: Intel Core i9 9900KS with 8 cores 4.0GHz 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 9900KS 's Advantages

Released 1 years late

Integrated graphics card

Higher base frequency (4.0GHz vs 3.3GHz)

Lower TDP (127W vs 165W)

Intel Core i9 9940X 's Advantages

Larger memory bandwidth (85GB/s vs 41.6GB/s)

Larger L3 cache size (20MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9900KS +5%

1294

Intel Core i9 9940X

1228

Cinebench R23 Multi Core

Intel Core i9 9900KS

12951

Intel Core i9 9940X +18%

15351

Geekbench 6 Single Core

Intel Core i9 9900KS +26%

1678

Intel Core i9 9940X

1328

Geekbench 6 Multi Core

Intel Core i9 9900KS

8751

Intel Core i9 9940X +11%

9787

Geekbench 5 Single Core

Intel Core i9 9900KS +16%

1391

Intel Core i9 9940X

1189

Geekbench 5 Multi Core

Intel Core i9 9900KS

9636

Intel Core i9 9940X +49%

14374

Passmark CPU Single Core

Intel Core i9 9900KS +16%

3029

Intel Core i9 9940X

2608

Passmark CPU Multi Core

Intel Core i9 9900KS

19417

Intel Core i9 9940X +46%

28355

Intel Core i9 9900KS

VS

Intel Core i9 9940X

General Parameters

Oct 2019

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Skylake

i9-9900KS

Processor Number

i9-9940X

LGA-1151

Socket

LGA-2066

UHD Graphics 630

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-2066

127 W

Power Consumption

165 W

100 °C

Peak Operating Temperature

88 °C

CPU Performance

8

Performance Cores

14

16

Performance Core Threads

28

4.0 GHz

Performance Core Base Frequency

3.3 GHz

5 GHz

Performance Core Turbo Frequency

4.4 GHz

8

Total Core Count

14

16

Total Thread Count

28

100 MHz

Bus Frequency

100 MHz

40x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

20 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

41.6 GB/s

Max Memory Bandwidth

85 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

350 MHz

GPU Base Frequency

-

1200 MHz

GPU Max Dynamic Frequency

-

192

Shader Units

-

24

Texture Units

-

3

Raster Operation Units

-

24

Execution Units

-

15 W

Power Consumption

-

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 9900KS

Official Website

Intel Core i9 9940X

3.0

PCIe Version

3.0

16

PCIe Lanes

44

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

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

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