Intel Core i9 9940X vs AMD Ryzen 7 5800XT

VS

Intel Core i9 9940X

AMD Ryzen 7 5800XT

We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and AMD Ryzen 7 5800XT with 8 cores 3.8GHz . 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 47.68GB/s)

AMD Ryzen 7 5800XT 's Advantages

Released 5 years and 9 months late

Higher specification of memory (3200 vs 2666)

Newer PCIe version (4 vs 3.0)

Higher base frequency (3.8GHz vs 3.3GHz)

Larger L3 cache size (32MB vs 20MB)

More modern manufacturing process (7nm vs 14nm)

Lower TDP (105W vs 165W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 9940X

1328

AMD Ryzen 7 5800XT +66%

2205

Geekbench 6 Multi Core

Intel Core i9 9940X +2%

9787

AMD Ryzen 7 5800XT

9519

Intel Core i9 9940X

VS

AMD Ryzen 7 5800XT

General Parameters

Oct 2018

Release Date

Jul 2024

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Vermeer

i9-9940X

Processor Number

-

LGA-2066

Socket

AMD Socket AM4

N/A

Integrated Graphics

N/A

-

Generation

Ryzen 7 (Zen 3 (Vermeer))

Package

-

Transistor Count

4.15 billions

14 nm

Manufacturing Process

7 nm

165 W

Power Consumption

105 W

88 °C

Peak Operating Temperature

90°C

-

Foundry

TSMC

-

Die Size

74 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

125 mm²

CPU Performance

14

Performance Cores

8

28

Performance Core Threads

16

3.3 GHz

Performance Core Base Frequency

3.8 GHz

4.4 GHz

Performance Core Turbo Frequency

4.8 GHz

14

Total Core Count

8

28

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

38.0

64 K per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

512 KB per core

20 MB shared

L3 Cache

32 MB

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

47.68 GB/s

No

ECC Memory Support

Yes

Miscellaneous

Intel Core i9 9940X

Official Website

AMD Ryzen 7 5800XT

3.0

PCIe Version

4

44

PCIe Lanes

20

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

Extended Instruction Set

-

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