Intel Core i9 7920X vs AMD Ryzen 7 3800X

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We compared two desktop CPUs: Intel Core i9 7920X with 12 cores 2.9GHz and AMD Ryzen 7 3800X 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 7920X 's Advantages

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

AMD Ryzen 7 3800X 's Advantages

Released 1 years and 11 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 2.9GHz)

Larger L3 cache size (32MB vs 17MB)

Lower TDP (105W vs 140W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 7920X

1053

AMD Ryzen 7 3800X +65%

1743

Geekbench 6 Multi Core

Intel Core i9 7920X

4327

AMD Ryzen 7 3800X +99%

8625

Geekbench 5 Single Core

Intel Core i9 7920X

1137

AMD Ryzen 7 3800X +17%

1333

Geekbench 5 Multi Core

Intel Core i9 7920X +24%

11828

AMD Ryzen 7 3800X

9479

Passmark CPU Single Core

Intel Core i9 7920X

2488

AMD Ryzen 7 3800X +8%

2695

Passmark CPU Multi Core

Intel Core i9 7920X

23468

AMD Ryzen 7 3800X

23418

Intel Core i9 7920X

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AMD Ryzen 7 3800X

General Parameters

Aug 2017

Release Date

Jul 2019

Intel

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Zen 2

i9-7920X

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

140 W

Power Consumption

105 W

95 °C

Peak Operating Temperature

95°C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

2.9 GHz

Performance Core Base Frequency

3.9 GHz

4.3 GHz

Performance Core Turbo Frequency

4.5 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

29x

Multiplier

39x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

17 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

Yes

Miscellaneous

Intel Core i9 7920X

Official Website

AMD Ryzen 7 3800X

3.0

PCIe Version

4.0

44

PCIe Lanes

16

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

Extended Instruction Set

-

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