Intel Core i5 6600K vs AMD Ryzen 5 8400F

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We compared two desktop CPUs: Intel Core i5 6600K with 4 cores 3.5GHz and AMD Ryzen 5 8400F with 6 cores 4.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 6600K 's Advantages

Integrated graphics card

AMD Ryzen 5 8400F 's Advantages

Released 8 years and 8 months late

Higher specification of memory (DDR5-5200 vs DDR4-2133)

Larger memory bandwidth (83.2GB/s vs 34.1GB/s)

Newer PCIe version (4 vs 3.0)

Higher base frequency (4.2GHz vs 3.5GHz)

Larger L3 cache size (16MB vs 6MB)

Lower TDP (65W vs 91W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 6600K

1043

AMD Ryzen 5 8400F +62%

1691

Cinebench R23 Multi Core

Intel Core i5 6600K

3982

AMD Ryzen 5 8400F +235%

13361

Intel Core i5 6600K

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AMD Ryzen 5 8400F

General Parameters

Aug 2015

Release Date

Apr 2024

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

-

Skylake

Core Architecture

Phoenix

i5-6600K

Processor Number

-

LGA-1151

Socket

AMD Socket AM5

HD Graphics 530

Integrated Graphics

N/A

-

Generation

Ryzen 5 (Zen 4 (Phoenix))

Package

-

Transistor Count

25 billions

14 nm

Manufacturing Process

4 nm

LGA-1151

Socket

AMD Socket AM5

91 W

Power Consumption

65 W

-

Foundry

TSMC

-

Die Size

178 mm²

-

Package

FC-LGA1718

CPU Performance

4

Performance Cores

-

4

Performance Core Threads

-

3.5 GHz

Performance Core Base Frequency

4.2 GHz

3.9 GHz

Performance Core Turbo Frequency

4.7 GHz

4

Total Core Count

6

4

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

42.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

1 MB per core

6 MB shared

L3 Cache

16 MB

No

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-2133, DDR3L-1600

Memory Types

DDR5-5200

64 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

34.1 GB/s

Max Memory Bandwidth

83.2 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

1150 MHz

GPU Max Dynamic Frequency

-

Miscellaneous

Intel Core i5 6600K

Official Website

AMD Ryzen 5 8400F

3.0

PCIe Version

4

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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