Intel Core i9 9940X vs AMD Ryzen 9 9900X

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We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and AMD Ryzen 9 9900X with 12 cores 4.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 9900X 's Advantages

Released 5 years and 8 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)

Higher base frequency (4.4GHz vs 3.3GHz)

Larger L3 cache size (64MB vs 20MB)

Lower TDP (120W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9940X

1228

AMD Ryzen 9 9900X +89%

2323

Cinebench R23 Multi Core

Intel Core i9 9940X

15351

AMD Ryzen 9 9900X +166%

40986

Geekbench 6 Single Core

Intel Core i9 9940X

1328

AMD Ryzen 9 9900X +147%

3284

Geekbench 6 Multi Core

Intel Core i9 9940X

9787

AMD Ryzen 9 9900X +145%

23982

Intel Core i9 9940X

VS

AMD Ryzen 9 9900X

General Parameters

Oct 2018

Release Date

Jun 2024

Intel

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Zen 5 (Granite Ridge)

i9-9940X

Processor Number

-

LGA-2066

Socket

AM5

N/A

Integrated Graphics

Radeon Graphics

-

Generation

Ryzen 9 (Zen 5 (Granite Ridge))

Package

14 nm

Manufacturing Process

4 nm

LGA-2066

Socket

AM5

165 W

Power Consumption

120 W

88 °C

Peak Operating Temperature

95°C

-

Foundry

TSMC

-

I/O Process Size

6 nm

-

Package

FC-LGA1718

CPU Performance

14

Performance Cores

12

28

Performance Core Threads

24

3.3 GHz

Performance Core Base Frequency

4.4 GHz

Performance Core Turbo Frequency

5.6 GHz

14

Total Core Count

12

28

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

44x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

20 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR5-5600

128 GB

Max Memory Size

192 GB

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

MHz

-

GPU Max Dynamic Frequency

2200 MHz

-

Execution Units

2

Miscellaneous

Intel Core i9 9940X

Official Website

AMD Ryzen 9 9900X

3.0

PCIe Version

5.0

44

PCIe Lanes

28

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

Extended Instruction Set

-

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