Intel Core i9 10920X vs AMD Ryzen 9 3900XT

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We compared two desktop CPUs: Intel Core i9 10920X with 12 cores 3.5GHz and AMD Ryzen 9 3900XT with 12 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 10920X 's Advantages

Larger memory bandwidth (93.8GB/s vs 47.68GB/s)

AMD Ryzen 9 3900XT 's Advantages

Released 9 months late

Higher specification of memory (DDR4-3200 vs DDR4-2933)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.8GHz vs 3.5GHz)

Larger L3 cache size (64MB vs 20MB)

Lower TDP (105W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 10920X

1280

AMD Ryzen 9 3900XT +5%

1352

Cinebench R23 Multi Core

Intel Core i9 10920X

15354

AMD Ryzen 9 3900XT +20%

18436

Geekbench 6 Single Core

Intel Core i9 10920X

1696

AMD Ryzen 9 3900XT +3%

1763

Geekbench 6 Multi Core

Intel Core i9 10920X

9541

AMD Ryzen 9 3900XT +15%

11025

Cinebench 2024 Multi Core

Intel Core i9 10920X

922

AMD Ryzen 9 3900XT +16%

1074

Geekbench 5 Single Core

Intel Core i9 10920X

1201

AMD Ryzen 9 3900XT +9%

1311

Geekbench 5 Multi Core

Intel Core i9 10920X +9%

13408

AMD Ryzen 9 3900XT

12279

Passmark CPU Single Core

Intel Core i9 10920X

2738

AMD Ryzen 9 3900XT +1%

2769

Passmark CPU Multi Core

Intel Core i9 10920X

26244

AMD Ryzen 9 3900XT +25%

32856

Intel Core i9 10920X

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AMD Ryzen 9 3900XT

General Parameters

Oct 2019

Release Date

Jul 2020

Intel

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Cascade Lake

Core Architecture

Zen 2 (Matisse)

i9-10920X

Processor Number

-

LGA-2066

Socket

AM4

N/A

Integrated Graphics

No

Package

-

Transistor Count

3.8 billions

14 nm

Manufacturing Process

7 nm

LGA-2066

Socket

AM4

165 W

Power Consumption

105 W

94 °C

Peak Operating Temperature

95°C

CPU Performance

12

Performance Cores

12

24

Performance Core Threads

24

3.5 GHz

Performance Core Base Frequency

3.8 GHz

4.6 GHz

Performance Core Turbo Frequency

4.7 GHz

12

Total Core Count

12

24

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

-

Multiplier

38x

-

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

20 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2933

Memory Types

DDR4-3200

256 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

93.8 GB/s

Max Memory Bandwidth

47.68 GB/s

No

ECC Memory Support

Yes

Miscellaneous

Intel Core i9 10920X

Official Website

AMD Ryzen 9 3900XT

3.0

PCIe Version

4.0

48

PCIe Lanes

24

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

Extended Instruction Set

-

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