Intel Core i7 7820X vs AMD Ryzen 9 5900

VS

Intel Core i7 7820X

AMD Ryzen 9 5900

We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and AMD Ryzen 9 5900 with 12 cores 3.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 7820X 's Advantages

Larger memory bandwidth (79.47GB/s vs 51.2GB/s)

Higher base frequency (3.6GHz vs 3.0GHz)

AMD Ryzen 9 5900 's Advantages

Released 3 years and 8 months late

Higher specification of memory (3200 vs 2666)

Newer PCIe version (4.0 vs 3.0)

Larger L3 cache size (32MB vs 11MB)

More modern manufacturing process (7nm vs 14nm)

Lower TDP (65W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 7820X

1338

AMD Ryzen 9 5900 +18%

1584

Cinebench R23 Multi Core

Intel Core i7 7820X

13358

AMD Ryzen 9 5900 +56%

20887

Geekbench 6 Single Core

Intel Core i7 7820X

1252

AMD Ryzen 9 5900 +66%

2080

Geekbench 6 Multi Core

Intel Core i7 7820X

7510

AMD Ryzen 9 5900 +30%

9774

Geekbench 5 Single Core

Intel Core i7 7820X

1120

AMD Ryzen 9 5900 +53%

1715

Geekbench 5 Multi Core

Intel Core i7 7820X

8504

AMD Ryzen 9 5900 +53%

13017

Passmark CPU Single Core

Intel Core i7 7820X

2536

AMD Ryzen 9 5900 +35%

3447

Passmark CPU Multi Core

Intel Core i7 7820X

17189

AMD Ryzen 9 5900 +100%

34510

Intel Core i7 7820X

VS

AMD Ryzen 9 5900

General Parameters

May 2017

Release Date

Jan 2021

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Vermeer

i7-7820X

Processor Number

-

LGA-2066

Socket

AM4

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

7 nm

140 W

Power Consumption

65 W

99 °C

Peak Operating Temperature

95 °C

CPU Performance

8

Performance Cores

12

16

Performance Core Threads

24

3.6 GHz

Performance Core Base Frequency

3.0 GHz

4.3 GHz

Performance Core Turbo Frequency

4.7 GHz

8

Total Core Count

12

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

36x

Multiplier

30x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

11 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

79.47 GB/s

Max Memory Bandwidth

51.2 GB/s

No

ECC Memory Support

Yes

Miscellaneous

Intel Core i7 7820X

Official Website

AMD Ryzen 9 5900

3.0

PCIe Version

4.0

28

PCIe Lanes

20

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

Extended Instruction Set

-

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