Intel Core i9 9920X vs AMD Ryzen 7 3800XT

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We compared two desktop CPUs: Intel Core i9 9920X with 12 cores 3.5GHz and AMD Ryzen 7 3800XT with 8 cores 3.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9920X 's Advantages

Larger memory bandwidth (85GB/s vs 47.68GB/s)

AMD Ryzen 7 3800XT 's Advantages

Released 1 years and 9 months late

Higher specification of memory (DDR4-3200 vs DDR4-2666)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.9GHz vs 3.5GHz)

Larger L3 cache size (32MB vs 19MB)

Lower TDP (105W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9920X

1067

AMD Ryzen 7 3800XT +27%

1357

Cinebench R23 Multi Core

Intel Core i9 9920X +14%

14793

AMD Ryzen 7 3800XT

12897

Geekbench 6 Single Core

Intel Core i9 9920X

1389

AMD Ryzen 7 3800XT +20%

1679

Geekbench 6 Multi Core

Intel Core i9 9920X

3027

AMD Ryzen 7 3800XT +109%

6343

Geekbench 5 Single Core

Intel Core i9 9920X

1171

AMD Ryzen 7 3800XT +12%

1319

Geekbench 5 Multi Core

Intel Core i9 9920X +33%

12494

AMD Ryzen 7 3800XT

9327

Passmark CPU Single Core

Intel Core i9 9920X

2608

AMD Ryzen 7 3800XT +7%

2793

Passmark CPU Multi Core

Intel Core i9 9920X +6%

25060

AMD Ryzen 7 3800XT

23540

Intel Core i9 9920X

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AMD Ryzen 7 3800XT

General Parameters

Oct 2018

Release Date

Jul 2020

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Zen 2

i9-9920X

Processor Number

-

LGA-2066

Socket

AM4

N/A

Integrated Graphics

N/A

Package

-

Transistor Count

3.8 billions

14 nm

Manufacturing Process

7 nm

LGA-2066

Socket

AM4

165 W

Power Consumption

105 W

92 °C

Peak Operating Temperature

95 °C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

3.9 GHz

4.4 GHz

Performance Core Turbo Frequency

4.7 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

39x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

19 MB shared

L3 Cache

32 MB shared

Yes

Unlocked Multiplier

Yes

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

No

Miscellaneous

Intel Core i9 9920X

Official Website

AMD Ryzen 7 3800XT

3.0

PCIe Version

4.0

44

PCIe Lanes

24

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

Extended Instruction Set

-

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