AMD Ryzen 9 5900 vs Intel Core i7 6700K

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We compared two desktop CPUs: AMD Ryzen 9 5900 with 12 cores 3.0GHz and Intel Core i7 6700K with 4 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 5900 's Advantages

Released 5 years and 5 months late

Higher specification of memory (DDR4-3200 vs DDR4-2133)

Larger memory bandwidth (51.2GB/s vs 34.1GB/s)

Newer PCIe version (4.0 vs 3.0)

Larger L3 cache size (32MB vs 8MB)

Lower TDP (65W vs 91W)

Intel Core i7 6700K 's Advantages

Integrated graphics card

Higher base frequency (4.0GHz vs 3.0GHz)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 5900 +40%

1591

Intel Core i7 6700K

1136

Cinebench R23 Multi Core

AMD Ryzen 9 5900 +267%

20814

Intel Core i7 6700K

5661

Geekbench 6 Single Core

AMD Ryzen 9 5900 +34%

2080

Intel Core i7 6700K

1544

Geekbench 6 Multi Core

AMD Ryzen 9 5900 +85%

9774

Intel Core i7 6700K

5265

Blender

AMD Ryzen 9 5900 +166%

256

Intel Core i7 6700K

96

Geekbench 5 Single Core

AMD Ryzen 9 5900 +57%

1715

Intel Core i7 6700K

1087

Geekbench 5 Multi Core

AMD Ryzen 9 5900 +204%

13017

Intel Core i7 6700K

4271

Passmark CPU Single Core

AMD Ryzen 9 5900 +37%

3447

Intel Core i7 6700K

2510

Passmark CPU Multi Core

AMD Ryzen 9 5900 +286%

34510

Intel Core i7 6700K

8940

AMD Ryzen 9 5900

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Intel Core i7 6700K

General Parameters

Jan 2021

Release Date

Aug 2015

AMD

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Vermeer

Core Architecture

Skylake

-

Processor Number

i7-6700K

AM4

Socket

LGA-1151

N/A

Integrated Graphics

HD Graphics 530

Package

-

Transistor Count

1.75 billions

7 nm

Manufacturing Process

14 nm

AM4

Socket

LGA-1151

65 W

Power Consumption

91 W

95 °C

Peak Operating Temperature

-

CPU Performance

12

Performance Cores

4

24

Performance Core Threads

8

3.0 GHz

Performance Core Base Frequency

4.0 GHz

4.7 GHz

Performance Core Turbo Frequency

4.2 GHz

12

Total Core Count

4

24

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

40x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

32 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR4-2133, DDR3L-1600

128 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

51.2 GB/s

Max Memory Bandwidth

34.1 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Max Dynamic Frequency

1150 MHz

Miscellaneous

AMD Ryzen 9 5900

Official Website

Intel Core i7 6700K

4.0

PCIe Version

3.0

20

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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